{"query":{"parameter":"nickel","place":"US-CA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CA","US"],"parameter_keys":["cas:7440-02-0","name:iron, nickel (h), zinc","cas:373-02-4","cas:3333-67-3","cas:13463-39-3","name:nickel extractible","cas:12054-48-7","cas:1313-99-1","name:nickel refinery dust","cas:12035-72-2","name:nickel - total","name:nickel, total","name:total nickel"],"names_matched":[["nickel","cas:7440-02-0"],["iron nickel h zinc","name:iron, nickel (h), zinc"],["iron nickel h zinc h","name:iron, nickel (h), zinc"],["nickel acetate","cas:373-02-4"],["nickel carbonate","cas:3333-67-3"],["nickel carbonyl","cas:13463-39-3"],["nickel carbonyl ni co 4 t 4","cas:13463-39-3"],["nickel extractible","name:nickel extractible"],["nickel hydroxide","cas:12054-48-7"],["nickel hydroxide ni oh 2","cas:12054-48-7"],["nickel ii acetate","cas:373-02-4"],["nickel ii oxide","cas:1313-99-1"],["nickel oxide","cas:1313-99-1"],["nickel refinery dust","name:nickel refinery dust"],["nickel subsulfide","cas:12035-72-2"],["nickel total","name:nickel - total"],["nickel total","name:nickel, total"],["total nickel","name:total nickel"],["total nickel freshwater","name:total nickel"],["total nickel marine","name:total nickel"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":2115,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"88a4b8df804d462d","parameter":"Nickel","value":"470 e,i,m,w","value_num":470,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is freshwater","inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","freshwater criteria: waters whose salinity is 1 part per thousand or less 95% or more of the time; between 1 and 10 ppt the more stringent of the freshwater and saltwater criteria applies (40 CFR 131.38(c)(3))","hardness 100 mg/L as CaCO3 (note e: the value displayed corresponds to a total hardness of 100 mg/L; other hardness takes the equations of 40 CFR 131.38(b)(2))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"9. Nickel b 7440020 470 52 e,i,m,w 74i,m 8.2 i,m 610 a 4600 a e,i,m,w","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"23e6d162ffaa5bdb","parameter":"Nickel","value":"52 e,i,m,w","value_num":52,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is freshwater","inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","freshwater criteria: waters whose salinity is 1 part per thousand or less 95% or more of the time; between 1 and 10 ppt the more stringent of the freshwater and saltwater criteria applies (40 CFR 131.38(c)(3))","hardness 100 mg/L as CaCO3 (note e: the value displayed corresponds to a total hardness of 100 mg/L; other hardness takes the equations of 40 CFR 131.38(b)(2))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"9. Nickel b 7440020 470 52 e,i,m,w 74i,m 8.2 i,m 610 a 4600 a e,i,m,w","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"36a98f8a3e8517f1","parameter":"Nickel","value":"74i,m","value_num":74,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is marine","inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","saltwater criteria: waters whose salinity is 10 parts per thousand or more 95% or more of the time; between 1 and 10 ppt the more stringent of the freshwater and saltwater criteria applies (40 CFR 131.38(c)(3))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"9. Nickel b 7440020 470 52 e,i,m,w 74i,m 8.2 i,m 610 a 4600 a e,i,m,w","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"5b8890354e36a11f","parameter":"Nickel","value":"8.2 i,m","value_num":8.2,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is marine","inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","saltwater criteria: waters whose salinity is 10 parts per thousand or more 95% or more of the time; between 1 and 10 ppt the more stringent of the freshwater and saltwater criteria applies (40 CFR 131.38(c)(3))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"9. Nickel b 7440020 470 52 e,i,m,w 74i,m 8.2 i,m 610 a 4600 a e,i,m,w","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"9cbbcc89c1f046b7","parameter":"Nickel","value":"610 a","value_num":610,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","inland waters or enclosed bays and estuaries that include a MUN (municipal and domestic supply) use designation (40 CFR 131.38(d)(2)(i))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"9. Nickel b 7440020 470 52 e,i,m,w 74i,m 8.2 i,m 610 a 4600 a e,i,m,w","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"b84e45e24a7c494d","parameter":"Nickel","value":"4600 a","value_num":4600,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","inland waters or enclosed bays and estuaries that do not include a MUN use designation (40 CFR 131.38(d)(2)(ii))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"9. Nickel b 7440020 470 52 e,i,m,w 74i,m 8.2 i,m 610 a 4600 a e,i,m,w","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"f345dc2d99c34c35","parameter":"Nickel","value":"5.0E+00","value_num":5,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["Tier 1 ESLs: one level per chemical and medium for a generic site (residential land use, groundwater a drinking-water resource, shallow soil); a screening level is not a cleanup standard"],"cite":{"instrument":"us_ca_esl_groundwater","title":"California, San Francisco Bay RWQCB — Environmental Screening Levels (ESLs), Tier 1, 2025 (Rev. 4) — groundwater","issuer":"San Francisco Bay Regional Water Quality Control Board","edition":"2025 (Rev. 4)","source_url":"https://www.waterboards.ca.gov/sanfranciscobay/water_issues/programs/ESL/ESL_Summary_Tables_Rev4.pdf","source_sha256":null,"fetched_at":"2026-09-30","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"eau","column":"tier1"}},{"id":"ce7d539151b5b09b","parameter":"Nickel","value":"6.3E+01","value_num":63,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["Tier 1 ESLs: one level per chemical and medium for a generic site (residential land use, groundwater a drinking-water resource, shallow soil); a screening level is not a cleanup standard"],"cite":{"instrument":"us_ca_esl_soil","title":"California, San Francisco Bay RWQCB — Environmental Screening Levels (ESLs), Tier 1, 2025 (Rev. 4) — soil","issuer":"San Francisco Bay Regional Water Quality Control Board","edition":"2025 (Rev. 4)","source_url":"https://www.waterboards.ca.gov/sanfranciscobay/water_issues/programs/ESL/ESL_Summary_Tables_Rev4.pdf","source_sha256":null,"fetched_at":"2026-09-30","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"tier1"}},{"id":"a17d30548211800c","parameter":"Nickel","value":"5.","value_num":5,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is marine","ocean waters of California (the territorial sea and the waters beyond the enclosed bays, estuaries and coastal lagoons): the Ocean Plan's jurisdiction","in the receiving water upon completion of initial dilution (chapter III.C.3)"],"cite":{"instrument":"us_ca_ocean_plan","title":"Water Quality Control Plan for Ocean Waters of California (California Ocean Plan, 2019): Table 3 water quality objectives, Table 4 effluent limitations, and the salinity limitation for desalination brine","issuer":"State of California, State Water Resources Control Board","edition":"California Ocean Plan 2019, effective February 4, 2019 (State Water Resources Control Board; includes the 2015 desalination amendment, effective January 28, 2016), as the State Water Board serves it 2026-10-14","source_url":"https://www.waterboards.ca.gov/water_issues/programs/ocean/docs/oceanplan2019.pdf","source_sha256":"cbff9eaf5b7df1c9b818190851d4196e26c53b56b1860ce11fc44bdf125a5d6c","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ocean Plan chapter II.D, Table 3, objectives for protection of marine aquatic life","page":17,"quote":null}},{"id":"c225f8bdbf9f1e64","parameter":"Nickel","value":"20.","value_num":20,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is marine","ocean waters of California (the territorial sea and the waters beyond the enclosed bays, estuaries and coastal lagoons): the Ocean Plan's jurisdiction","in the receiving water upon completion of initial dilution (chapter III.C.3)"],"cite":{"instrument":"us_ca_ocean_plan","title":"Water Quality Control Plan for Ocean Waters of California (California Ocean Plan, 2019): Table 3 water quality objectives, Table 4 effluent limitations, and the salinity limitation for desalination brine","issuer":"State of California, State Water Resources Control Board","edition":"California Ocean Plan 2019, effective February 4, 2019 (State Water Resources Control Board; includes the 2015 desalination amendment, effective January 28, 2016), as the State Water Board serves it 2026-10-14","source_url":"https://www.waterboards.ca.gov/water_issues/programs/ocean/docs/oceanplan2019.pdf","source_sha256":"cbff9eaf5b7df1c9b818190851d4196e26c53b56b1860ce11fc44bdf125a5d6c","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ocean Plan chapter II.D, Table 3, objectives for protection of marine aquatic life","page":17,"quote":null}},{"id":"b802df2cc899219a","parameter":"Nickel","value":"50.","value_num":50,"unit":"µg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["receiving_water is marine","ocean waters of California (the territorial sea and the waters beyond the enclosed bays, estuaries and coastal lagoons): the Ocean Plan's jurisdiction","in the receiving water upon completion of initial dilution (chapter III.C.3)"],"cite":{"instrument":"us_ca_ocean_plan","title":"Water Quality Control Plan for Ocean Waters of California (California Ocean Plan, 2019): Table 3 water quality objectives, Table 4 effluent limitations, and the salinity limitation for desalination brine","issuer":"State of California, State Water Resources Control Board","edition":"California Ocean Plan 2019, effective February 4, 2019 (State Water Resources Control Board; includes the 2015 desalination amendment, effective January 28, 2016), as the State Water Board serves it 2026-10-14","source_url":"https://www.waterboards.ca.gov/water_issues/programs/ocean/docs/oceanplan2019.pdf","source_sha256":"cbff9eaf5b7df1c9b818190851d4196e26c53b56b1860ce11fc44bdf125a5d6c","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ocean Plan chapter II.D, Table 3, objectives for protection of marine aquatic life","page":17,"quote":null}},{"id":"6830c601ce258b0c","parameter":"Nickel","value":"0.1","value_num":0.1,"unit":"mg/L","direction":"max","kind":"limit","medium":"drinking_water","level":"regional","parameter_key":"cas:7440-02-0","place":["US-CA"],"conditions":["Public water systems shall comply with the primary MCLs in Table 64431–A as specified in this article."],"cite":{"instrument":"us_ca_title22_mcl","title":"California Code of Regulations, Title 22 — drinking water maximum contaminant levels: Tables 64431–A (inorganic), 64442 and 64443 (radionuclides), 64444–A (organic), 64449–A and 64449–B (secondary) and 64533–A (disinfection byproducts)","issuer":"State of California, State Water Resources Control Board (Division of Drinking Water)","edition":"California Regulations Related to Drinking Water, September 2026 (the State Water Board's compilation of Titles 17 and 22; it follows the August 2025 compilation), as served 2026-10-15","source_url":"https://www.waterboards.ca.gov/drinking_water/certlic/drinkingwater/documents/lawbook/drinking-water-regulations.pdf","source_sha256":"db6df322bf1507b6e098a10faf84284b99cba21a48a1832960d9b0b6bd1478bb","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"22 CCR § 64431, Table 64431–A, Maximum Contaminant Levels, Inorganic Chemicals","page":91,"quote":"Nickel 0.1"}},{"id":"dfd52c8ea54a53b2","parameter":"Nickel","value":"3.98","value_num":3.98,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 268.48, Table UTS, Inorganic Constituents, wastewater standard","page":null,"quote":"Nickel 7440-02-0 3.98 11 mg/l TCLP"}},{"id":"f0ba512ccced7861","parameter":"Nickel","value":"11 mg/l TCLP","value_num":11,"unit":"mg/L TCLP","statistic":"instant","direction":"max","kind":"limit","medium":"leachate","level":"national","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 268.48, Table UTS, Inorganic Constituents, nonwastewater standard","page":null,"quote":"Nickel 7440-02-0 3.98 11 mg/l TCLP"}},{"id":"e9e4b2e224ee4582","parameter":"Ni","value":"4.1","value_num":4.1,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart A—Electroplating of Common Metals Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart A—Common Metals Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"83d66936aa5ea4b0","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart A—Electroplating of Common Metals Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart A—Common Metals Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"3ef1d5e5c8e2c5eb","parameter":"Ni","value":"160","value_num":160,"unit":"mg/sq m-Operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart A—Electroplating of Common Metals Subcategory","existing sources (PSES)","(d) Alternatively, the following mass-based standards are equivalent to and may be applied in place of those limitations specified under paragraph (c) of this section upon prior agreement between a source subject to these standards and the publicly owned treatment works receiving such regulated wastes:","table: Subpart A—Common Metals Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-Operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"7160cf8b37b75373","parameter":"Ni","value":"100","value_num":100,"unit":"mg/sq m-Operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart A—Electroplating of Common Metals Subcategory","existing sources (PSES)","(d) Alternatively, the following mass-based standards are equivalent to and may be applied in place of those limitations specified under paragraph (c) of this section upon prior agreement between a source subject to these standards and the publicly owned treatment works receiving such regulated wastes:","table: Subpart A—Common Metals Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-Operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection 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Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.24 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"8d3bc58efb9b0dac","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart B—Electroplating of Precious Metals Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart B—Precious Metals Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.24 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"059272820af749ac","parameter":"Ni","value":"160","value_num":160,"unit":"mg/sq 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treatment works receiving such regulated wastes:","table: Subpart B—Precious Metals Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-Operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.24 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"fa70800dac350263","parameter":"Ni","value":"4.1","value_num":4.1,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 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2.6"}},{"id":"cdf6e5a239c167d1","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart D—Anodizing Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart D—Anodizing Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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treatment works receiving such regulated wastes:","table: Subpart D—Anodizing Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.44 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"a0ae21aa2bd08ade","parameter":"Ni","value":"100","value_num":100,"unit":"mg/sq m-operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the 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(PSES)","page":null,"quote":"Ni 160 100"}},{"id":"ffff2fe16cd086c0","parameter":"Ni","value":"4.1","value_num":4.1,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart E—Coatings Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart E—Coatings Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.54 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"c129459b3bb10432","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart E—Coatings Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart E—Coatings Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.54 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"f60573b3ad9fc594","parameter":"Ni","value":"160","value_num":160,"unit":"mg/sq m-operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart E—Coatings Subcategory","existing sources (PSES)","(d) Alternatively, the following mass-based standards are equivalent to and may apply in place of those limitations specified under paragraph (c) of this section upon prior agreement between a source subject to these standards and the publicly owned treatment works receiving such regulated wastes:","table: Subpart E—Coatings Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.54 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"088f1c9d6b3a33a7","parameter":"Ni","value":"100","value_num":100,"unit":"mg/sq 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2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.54 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"b624be3b93917df5","parameter":"Ni","value":"4.1","value_num":4.1,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart F—Chemical Etching and Milling Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal.) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart F—Chemicals Etching and Milling Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.64 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"eee87f9e1489f6a3","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart F—Chemical Etching and Milling Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 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treatment works receiving such regulated wastes:","table: Subpart F—Chemical Etching and Milling Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.64 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"853b1fcddde3daf7","parameter":"Ni","value":"4.1","value_num":4.1,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart G—Electroless Plating Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 l (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart G—Electroless Plating Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.74 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"199fe4e6947d7fac","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart G—Electroless Plating Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 l (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart G—Electroless Plating Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.74 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"04dfd46425698dd4","parameter":"Ni","value":"160","value_num":160,"unit":"mg/sq m-operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart G—Electroless Plating Subcategory","existing sources (PSES)","(d) Alternatively, the following mass-based standards are equivalent to and may apply in place of those limitations specified under paragraph (c) of this section upon prior agreement between a source subject to these standards and the publicly owned treatment works receiving such regulated wastes:","table: Subpart G—Electroless Plating Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.74 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"26bc4c7f6658fad3","parameter":"Ni","value":"100","value_num":100,"unit":"mg/sq m-operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart G—Electroless Plating Subcategory","existing sources (PSES)","(d) Alternatively, the following mass-based standards are equivalent to and may apply in place of those limitations specified under paragraph (c) of this section upon prior agreement between a source subject to these standards and the publicly owned treatment works receiving such regulated wastes:","table: Subpart G—Electroless Plating Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.74 (PSES)","page":null,"quote":"Ni 160 100"}},{"id":"48f3339f8d459fdb","parameter":"Ni","value":"4.1","value_num":4.1,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart H—Printed Circuit Board Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart H—Printed Circuit Board Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.84 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"e1bd932e90423ca6","parameter":"Ni","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart H—Printed Circuit Board Subcategory","existing sources (PSES)","(c) For plants discharging 38,000 liters (10,000 gal) or more per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart H—Printed Circuit Board Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/l)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.84 (PSES)","page":null,"quote":"Ni 4.1 2.6"}},{"id":"dcdc02cbddee0588","parameter":"Ni","value":"365","value_num":365,"unit":"mg/sq m-operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge is of the Subpart H—Printed Circuit Board Subcategory","existing sources (PSES)","(d) Alternatively, the following mass-based standards are equivalent to and may apply in place of those limitations specified under paragraph (c) of this section upon prior agreement between a source subject to these standards and the publicly owned treatment works receiving such regulated wastes:","table: Subpart H—Printed Circuit Board Facilities Discharging 38,000 Liters or More Per Day PSES Limitations (mg/sq m-operation)"],"cite":{"instrument":"us_40cfr413","title":"40 CFR Part 413 — PART 413—ELECTROPLATING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.84 (PSES)","page":null,"quote":"Ni 365 229"}},{"id":"b51d2030f5041683","parameter":"Ni","value":"229","value_num":229,"unit":"mg/sq 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2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=413","source_sha256":"9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 413.84 (PSES)","page":null,"quote":"Ni 365 229"}},{"id":"2f433a676d18c2e9","parameter":"Total Nickel","value":"3,980","value_num":3980,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearin…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.91 (BAT)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"c736814ea0069cd9","parameter":"Total Nickel","value":"3,980","value_num":3980,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearin…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.91 (NSPS)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"c9d962864e95546b","parameter":"Total Nickel","value":"1,690","value_num":1690,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearin…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.91 (BAT)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"89611eef7a7124d3","parameter":"Total Nickel","value":"1,690","value_num":1690,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearin…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.91 (NSPS)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"1f52b7d93e1098e9","parameter":"Total Nickel","value":"3,980","value_num":3980,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.101 (BAT)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"486245a2dafab52a","parameter":"Total Nickel","value":"3,980","value_num":3980,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.101 (NSPS)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"8e7f75ac687c9bcf","parameter":"Total Nickel","value":"1,690","value_num":1690,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.101 (BAT)","page":null,"quote":"Total Nickel 3,980 1,690"}},{"id":"d453a95fe174f2c8","parameter":"Total Nickel","value":"1,690","value_num":1690,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-02-0","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"cite":{"instrument":"us_40cfr414","title":"40 CFR Part 414 — PART 414—ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=414","source_sha256":"8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 414.101 (NSPS)","page":null,"quote":"Total Nickel 3,980 1,690"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-CA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"nickel\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"US-CA"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}