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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":"not verified"},"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":"not verified"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Zn 164 102"}},{"id":"a9be587fa686b4ac","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 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":"Zn 4.2 2.6"}},{"id":"b7224f12c2800dc8","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 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":"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":"not verified"},"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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2.6"}},{"id":"00a3e1412e05b36c","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 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 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":"Zn 4.2 2.6"}},{"id":"4a6561c92dd7c189","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 D—Anodizing 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 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":"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 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(PSES)","page":null,"quote":"Zn 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 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":"Zn 4.2 2.6"}},{"id":"6c9aabb9fa0dc2ce","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 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":"Zn 4.2 2.6"}},{"id":"96d2fe7eb89dbf21","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 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":"Zn 164 102"}},{"id":"7257a8701af5c2b9","parameter":"Zn","value":"102","value_num":102,"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":"Zn 164 102"}},{"id":"e6868b2fdfafdc95","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 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 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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":"Zn 4.2 2.6"}},{"id":"d4f4bdc26e4ce779","parameter":"Zn","value":"164","value_num":164,"unit":"mg/sq 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