{"query":{"parameter":"arsenic","place":"US-NH","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NH","US"],"parameter_keys":["cas:7440-38-2","name:arsenic (+3)","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc","name:arsenic, dissolved","name:arsenic iii","name:arsenic extractible","name:arsenic - total","name:arsenic, total","name:arsenic v","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc","name:total arsenic"],"names_matched":[["arsenic","cas:7440-38-2"],["arsenic 3","name:arsenic (+3)"],["arsenic 3 total recoverable","name:arsenic (+3)"],["arsenic cadmium h copper h lead h mercury zinc","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["arsenic cadmium h copper h lead h mercury zinc h","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["arsenic cadmium h copper h lead h zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["arsenic cadmium h copper h lead h zinc h","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["arsenic dissolved","name:arsenic, dissolved"],["arsenic dissolved trivalent","name:arsenic iii"],["arsenic extractible","name:arsenic extractible"],["arsenic iii","name:arsenic iii"],["arsenic iii dissolved","name:arsenic iii"],["arsenic iii total recoverable","name:arsenic iii"],["arsenic total","name:arsenic - total"],["arsenic total","name:arsenic, total"],["arsenic trivalent","name:arsenic iii"],["arsenic trivalent dissolved","name:arsenic iii"],["arsenic v","name:arsenic v"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc h","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc"],["total arsenic","name:total arsenic"],["total arsenic freshwater","name:total arsenic"],["total arsenic marine","name:total arsenic"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":470,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"90a0fe0a446b9474","parameter":"Arsenic","value":"340 d, i","value_num":340,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-38-2","place":["US-NH"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; 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human health), and class dissolved oxygen and pH","issuer":"State of New Hampshire, Department of Environmental Services","edition":"Env-Wq 1700 effective December 13, 2022 as US EPA posts it in effect for CWA purposes (cover page April 6, 2023), with the human health columns from the February 13, 2015 rule EPA also posts (its 2022 revisions still under EPA review); the state re-adopted Env-Wq 1700 effective 2-26-25 (#14203), not what EPA posts","source_url":"https://www.epa.gov/system/files/documents/2023-04/wqs-nh-chapter1700-2022.pdf","source_sha256":"6749401e33fb746b1a37e31e356dbaa9ccff1f936edc9cd3948b1bae47c796f2","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Env-Wq 1703.21 Table 1703-1","page":18,"quote":null}},{"id":"ff93f21b622594e8","parameter":"Arsenic","value":"36 d, i","value_num":36,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-38-2","place":["US-NH"],"conditions":["receiving_water is marine"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; 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held for fresh water, tidal water not being drunk)"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; human health), and class dissolved oxygen and pH","issuer":"State of New Hampshire, Department of Environmental Services","edition":"Env-Wq 1700 effective December 13, 2022 as US EPA posts it in effect for CWA purposes (cover page April 6, 2023), with the human health columns from the February 13, 2015 rule EPA also posts (its 2022 revisions still under EPA review); the state re-adopted Env-Wq 1700 effective 2-26-25 (#14203), not what EPA posts","source_url":"https://www.epa.gov/system/files/documents/2023-04/wqs-nh-chapter1700-2022.pdf","source_sha256":"6749401e33fb746b1a37e31e356dbaa9ccff1f936edc9cd3948b1bae47c796f2","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Env-Wq 1703.21 Table 1703.1 (2015)","page":20,"quote":null}},{"id":"243404458ee9e00d","parameter":"Arsenic","value":"140 ngb,c","value_num":0.14,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-38-2","place":["US-NH"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; human health), and class dissolved oxygen and pH","issuer":"State of New Hampshire, Department of Environmental Services","edition":"Env-Wq 1700 effective December 13, 2022 as US EPA posts it in effect for CWA purposes (cover page April 6, 2023), with the human health columns from the February 13, 2015 rule EPA also posts (its 2022 revisions still under EPA review); the state re-adopted Env-Wq 1700 effective 2-26-25 (#14203), not what EPA posts","source_url":"https://www.epa.gov/system/files/documents/2023-04/wqs-nh-chapter1700-2022.pdf","source_sha256":"6749401e33fb746b1a37e31e356dbaa9ccff1f936edc9cd3948b1bae47c796f2","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Env-Wq 1703.21 Table 1703.1 (2015)","page":20,"quote":null}},{"id":"a8277ad4f7d25ca3","parameter":"Arsenic","value":"140 ngb,c","value_num":0.14,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-38-2","place":["US-NH"],"conditions":["receiving_water is marine"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; human health), and class dissolved oxygen and pH","issuer":"State of New Hampshire, Department of Environmental Services","edition":"Env-Wq 1700 effective December 13, 2022 as US EPA posts it in effect for CWA purposes (cover page April 6, 2023), with the human health columns from the February 13, 2015 rule EPA also posts (its 2022 revisions still under EPA review); the state re-adopted Env-Wq 1700 effective 2-26-25 (#14203), not what EPA posts","source_url":"https://www.epa.gov/system/files/documents/2023-04/wqs-nh-chapter1700-2022.pdf","source_sha256":"6749401e33fb746b1a37e31e356dbaa9ccff1f936edc9cd3948b1bae47c796f2","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Env-Wq 1703.21 Table 1703.1 (2015)","page":20,"quote":null}},{"id":"6bf2cf5df76a9ba4","parameter":"Arsenic","value":"5.0","value_num":5,"unit":"mg/L","direction":"max","kind":"threshold","medium":"leachate","level":"national","parameter_key":"cas:7440-38-2","place":["US"],"conditions":["(a) A solid waste (except manufactured gas plant waste) exhibits the characteristic of toxicity if, using the Toxicity Characteristic Leaching Procedure, test Method 1311 in “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods,” EPA Publication SW-846, as incorporated by reference in § 260.11 of this chapter, the extract from a representative sample of the waste contains any of the contaminants listed in table 1 at the concentration equal to or greater than the respective value given in that table. Where the waste contains less than 0.5 percent filterable solids, the waste itself, after filtering using the methodology outlined in Method 1311, is considered to be the extract for the purpose of this section."],"cite":{"instrument":"us_40cfr261_24","title":"40 CFR 261.24 — Toxicity characteristic: Table 1, maximum concentration of contaminants for the toxicity characteristic (TCLP regulatory levels)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 261.24 as of 2026-10-13 (title 40 up to date as of that day)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=261&section=261.24","source_sha256":"3a1ec9b0d3051c70e471e359275657b0fa6d98e80927d2217e82b2dbbca60961","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 261.24, Table 1","page":null,"quote":"D004 Arsenic 7440-38-2 5.0"}},{"id":"3594d5c658eb4eb8","parameter":"Arsenic","value":"1.4","value_num":1.4,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:7440-38-2","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":"Arsenic 7440-38-2 1.4 5.0 mg/l TCLP"}},{"id":"23b452588765fdad","parameter":"Arsenic","value":"5.0 mg/l TCLP","value_num":5,"unit":"mg/L TCLP","statistic":"instant","direction":"max","kind":"limit","medium":"leachate","level":"national","parameter_key":"cas:7440-38-2","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":"Arsenic 7440-38-2 1.4 5.0 mg/l TCLP"}},{"id":"10ce38e3a1e24b12","parameter":"Arsenic","value":"0.0028","value_num":0.0028,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-38-2","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AB—Boric Acid Production Subcategory","existing sources (BPT)","table: Subpart AB—Boric Acid Mined Borax Process"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 415.282 (BPT)","page":null,"quote":"Arsenic 0.0028 0.0014"}},{"id":"e7aa0eb80ced1a79","parameter":"Arsenic","value":"0.0014","value_num":0.0014,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-38-2","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AB—Boric Acid Production Subcategory","existing sources (BPT)","table: Subpart AB—Boric Acid Mined Borax Process"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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