{"query":{"parameter":"beryllium","place":"US-CA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CA","US"],"parameter_keys":["cas:7440-41-7","name:beryllium-7","name:total beryllium"],"names_matched":[["beryllium","cas:7440-41-7"],["beryllium 7","name:beryllium-7"],["total beryllium","name:total beryllium"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":141,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"227241250bda1dbd","parameter":"Beryllium","value":"3.3E-02","value_num":0.033,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-41-7","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":"e096bd4978dbf108","parameter":"Beryllium","value":"5.0E+00","value_num":5,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-41-7","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":"d9ba92c1cf4d5822","parameter":"beryllium","value":"0.033","value_num":0.033,"unit":"µg/L","statistic":"thirty_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-41-7","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 human health – carcinogens","page":18,"quote":null}},{"id":"fd534e7f765e7e0f","parameter":"Beryllium","value":"0.004","value_num":0.004,"unit":"mg/L","direction":"max","kind":"limit","medium":"drinking_water","level":"regional","parameter_key":"cas:7440-41-7","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":"Beryllium 0.004"}},{"id":"bed8f72e4ee3dfc7","parameter":"Beryllium","value":"0.82","value_num":0.82,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:7440-41-7","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":"Beryllium 7440-41-7 0.82 1.22 mg/l TCLP"}},{"id":"289d69d6f90981f5","parameter":"Beryllium","value":"1.22 mg/l TCLP","value_num":1.22,"unit":"mg/L TCLP","statistic":"instant","direction":"max","kind":"limit","medium":"leachate","level":"national","parameter_key":"cas:7440-41-7","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":"Beryllium 7440-41-7 0.82 1.22 mg/l TCLP"}},{"id":"cf67ed0fe673cfc4","parameter":"Beryllium","value":"2,763.000","value_num":2763,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced from bertrandite ore as beryllium","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(a) Solvent Extraction Raffinate from Bertrandite Ore.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 2,763.000 1,235.000"}},{"id":"c444dcab24510dde","parameter":"Beryllium","value":"1,235.000","value_num":1235,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced from bertrandite ore as beryllium","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(a) Solvent Extraction Raffinate from Bertrandite Ore.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 2,763.000 1,235.000"}},{"id":"0fe65c5f56c2a4c3","parameter":"Beryllium","value":"270.6","value_num":270.6,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced from beryl ore as beryllium","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(b) Solvent Extraction Raffinate from Beryl Ore.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 270.6 121.0"}},{"id":"bc3f135efafe010b","parameter":"Beryllium","value":"121.0","value_num":121,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced from beryl ore as beryllium","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(b) Solvent Extraction Raffinate from Beryl Ore.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 270.6 121.0"}},{"id":"dd56fa2d586f7359","parameter":"Beryllium","value":"263.800","value_num":263.8,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(c) Beryllium Carbonate Filtrate.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 263.800 118.000"}},{"id":"09d5f298ba92878f","parameter":"Beryllium","value":"167.280","value_num":167.28,"unit":"mg/kg (pounds per million pounds) of beryllium hydroxide produced as beryllium","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(d) Beryllium Hydroxide Filtrate.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 167.280 74.800"}},{"id":"cd4aa9dc11cb7308","parameter":"Beryllium","value":"74.800","value_num":74.8,"unit":"mg/kg (pounds per million pounds) of beryllium hydroxide produced as beryllium","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(d) Beryllium Hydroxide Filtrate.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 167.280 74.800"}},{"id":"64a98c272227422a","parameter":"Beryllium","value":"324.000","value_num":324,"unit":"mg/kg (pounds per million pounds) of beryllium oxide produced","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(e) Beryllium Oxide Calcining Furnace Wet Air Pollution Control.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 324.000 145.000"}},{"id":"70d112ee1fb8dd53","parameter":"Beryllium","value":"145.000","value_num":145,"unit":"mg/kg (pounds per million pounds) of beryllium oxide produced","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(e) Beryllium Oxide Calcining Furnace Wet Air Pollution Control.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 282.9 126.5"}},{"id":"373a63689a399bd8","parameter":"Beryllium","value":"126.5","value_num":126.5,"unit":"mg/kg (pounds per million pounds) of beryllium hydroxide produced from scrap and residues as beryllium","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-41-7","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(f) Beryllium hydroxide supernatant.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Beryllium 282.9 126.5"}},{"id":"1c3f99506b797195","parameter":"Beryllium","value":"215.00","value_num":215,"unit":"mg/kg (pounds per million pounds) of beryllium pebbles 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