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R18-11-104; uses by water in Appendix B)"],"cite":{"instrument":"us_az_wqs","title":"Arizona A.A.C. 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R18-11-104; uses by water in Appendix B)"],"cite":{"instrument":"us_az_wqs","title":"Arizona A.A.C. 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R18-11 Appendix A: Table 1 numeric water quality standards by designated use, and Tables 2-9 hardness-dependent metals","issuer":"State of Arizona, Department of Environmental Quality","edition":"18 A.A.C. 11 as US EPA posts it in effect for CWA purposes (effective June 10, 2025; cover September 19, 2025); Appendix A as amended at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/az-chapter11.pdf","source_sha256":"99f94cb118d44c2d748701484be39ab062258b07e3912fae7c9a651fcc4fc6ce","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"18 A.A.C. 11, Appendix A, Table 1","page":37,"quote":null}},{"id":"80633a8dab0a954f","parameter":"Zinc","value":"25,000 T","value_num":25000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["US-AZ"],"conditions":["receiving_water is freshwater","surface water with the designated use AgL, agricultural livestock watering (A.A.C. 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R18-11 Appendix A: Table 1 numeric water quality standards by designated use, and Tables 2-9 hardness-dependent metals","issuer":"State of Arizona, Department of Environmental Quality","edition":"18 A.A.C. 11 as US EPA posts it in effect for CWA purposes (effective June 10, 2025; cover September 19, 2025); Appendix A as amended at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/az-chapter11.pdf","source_sha256":"99f94cb118d44c2d748701484be39ab062258b07e3912fae7c9a651fcc4fc6ce","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"18 A.A.C. 11, Appendix A, Table 9","page":40,"quote":null}},{"id":"f41750491680e90c","parameter":"Zinc","value":"1112","value_num":1112,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["US-AZ"],"conditions":["receiving_water is freshwater","surface water with the designated use: Aquatic and Wildlife ephemeral (Appendix A Table 9)","the effluent's hardness is 100 mg/L as CaCO3 (Table 1 note d.ii: for A&We and A&Wedw uses hardness is the effluent's)"],"cite":{"instrument":"us_az_wqs","title":"Arizona A.A.C. 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R18-11 Appendix A: Table 1 numeric water quality standards by designated use, and Tables 2-9 hardness-dependent metals","issuer":"State of Arizona, Department of Environmental Quality","edition":"18 A.A.C. 11 as US EPA posts it in effect for CWA purposes (effective June 10, 2025; cover September 19, 2025); Appendix A as amended at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/az-chapter11.pdf","source_sha256":"99f94cb118d44c2d748701484be39ab062258b07e3912fae7c9a651fcc4fc6ce","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"18 A.A.C. 11, Appendix A, Table 9","page":40,"quote":null}},{"id":"ecbcfe0bb7b32592","parameter":"Zinc","value":"3599","value_num":3599,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["US-AZ"],"conditions":["receiving_water is freshwater","surface water with the designated use: Aquatic and Wildlife ephemeral (Appendix A Table 9)","the effluent's hardness is 400 mg/L as CaCO3 (Table 1 note d.ii: for A&We and A&Wedw uses hardness is the effluent's)"],"cite":{"instrument":"us_az_wqs","title":"Arizona A.A.C. R18-11 Appendix A: Table 1 numeric water quality standards by designated use, and Tables 2-9 hardness-dependent metals","issuer":"State of Arizona, Department of Environmental Quality","edition":"18 A.A.C. 11 as US EPA posts it in effect for CWA purposes (effective June 10, 2025; cover September 19, 2025); Appendix A as amended at 22 A.A.R. 2328, effective August 2, 2016 (Supp. 16-4)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/az-chapter11.pdf","source_sha256":"99f94cb118d44c2d748701484be39ab062258b07e3912fae7c9a651fcc4fc6ce","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"18 A.A.C. 11, Appendix A, Table 9","page":40,"quote":null}},{"id":"bec06248dc6ab604","parameter":"Zinc","value":"2.61","value_num":2.61,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:7440-66-6","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","section":"40 CFR 268.48, Table UTS, Inorganic Constituents, wastewater standard","page":null,"quote":"Zinc 5 7440-66-6 2.61 4.3 mg/l TCLP"}},{"id":"982979ccdcdac148","parameter":"Zinc","value":"4.3 mg/l TCLP","value_num":4.3,"unit":"mg/L TCLP","statistic":"instant","direction":"max","kind":"limit","medium":"leachate","level":"national","parameter_key":"cas:7440-66-6","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","section":"40 CFR 268.48, Table UTS, Inorganic Constituents, nonwastewater standard","page":null,"quote":"Zinc 5 7440-66-6 2.61 4.3 mg/l TCLP"}},{"id":"7c6e90aba6823798","parameter":"Zn","value":"4.2","value_num":4.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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 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(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":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Zn 4.2 2.6"}},{"id":"55ee0122bcab26f3","parameter":"Zn","value":"164","value_num":164,"unit":"mg/sq m-Operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"a9be587fa686b4ac","parameter":"Zn","value":"102","value_num":102,"unit":"mg/sq 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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":"unchanged"},"section":"40 CFR 413.24 (PSES)","page":null,"quote":"Zn 4.2 2.6"}},{"id":"dfc8eb8674ee1cd6","parameter":"Zn","value":"164","value_num":164,"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":"unchanged"},"section":"40 CFR 413.24 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"3e3010b05bbf4001","parameter":"Zn","value":"4.2","value_num":4.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","place":["US"],"conditions":["route is sewer","cites is 40 CFR 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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":"unchanged"},"section":"40 CFR 413.44 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"48537d32365bd3d5","parameter":"Zn","value":"102","value_num":102,"unit":"mg/sq m-operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","place":["US"],"conditions":["route is sewer","cites is 40 CFR 413","the discharge 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164 102"}},{"id":"2dd736f1a8139689","parameter":"Zn","value":"4.2","value_num":4.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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 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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":"unchanged"},"section":"40 CFR 413.54 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"7257a8701af5c2b9","parameter":"Zn","value":"102","value_num":102,"unit":"mg/sq 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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":"unchanged"},"section":"40 CFR 413.64 (PSES)","page":null,"quote":"Zn 4.2 2.6"}},{"id":"57e02ee1102080a1","parameter":"Zn","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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":"unchanged"},"section":"40 CFR 413.64 (PSES)","page":null,"quote":"Zn 4.2 2.6"}},{"id":"d4f4bdc26e4ce779","parameter":"Zn","value":"164","value_num":164,"unit":"mg/sq 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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":"unchanged"},"section":"40 CFR 413.64 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"06441fc0bb33096b","parameter":"Zn","value":"4.2","value_num":4.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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":"unchanged"},"section":"40 CFR 413.74 (PSES)","page":null,"quote":"Zn 4.2 2.6"}},{"id":"a2cc63d4a1cd810e","parameter":"Zn","value":"2.6","value_num":2.6,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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 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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":"unchanged"},"section":"40 CFR 413.74 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"c1b4eb62484e6f9e","parameter":"Zn","value":"102","value_num":102,"unit":"mg/sq m-operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","place":["US"],"conditions":["route is sewer","cites is 40 CFR 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(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":"unchanged"},"section":"40 CFR 413.84 (PSES)","page":null,"quote":"Zn 4.2 2.6"}},{"id":"689a2f1b7e109547","parameter":"Zn","value":"374","value_num":374,"unit":"mg/sq m-operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-66-6","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":"unchanged"},"section":"40 CFR 413.84 (PSES)","page":null,"quote":"Zn 374 232"}},{"id":"efe170c2e41af680","parameter":"Zn","value":"232","value_num":232,"unit":"mg/sq 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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":"unchanged"},"section":"40 CFR 414.91 (BAT)","page":null,"quote":"Total Zinc 2 2,610 1,050"}}],"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-AZ"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"zinc\", 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-AZ"},"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"}]}