{"query":{"parameter":"lead","place":"US-IL","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-IL","US"],"parameter_keys":["cas:7439-92-1","cas:301-04-2","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc","name:cadmium (h), copper (h), mercury, lead (h), zinc","cas:1335-32-6","cas:7446-27-7","name:lead - total","name:lead, total","name:lead, total recoverable","cas:78-00-2","cas:75-74-1","name:total lead","cas:1067-14-7"],"names_matched":[["lead","cas:7439-92-1"],["acetic acid lead 2 salt","cas:301-04-2"],["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 h","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["cadmium h copper h mercury lead h zinc h","name:cadmium (h), copper (h), mercury, lead (h), zinc"],["lead acetate","cas:1335-32-6"],["lead acetate","cas:301-04-2"],["lead ii acetate","cas:301-04-2"],["lead ii phosphate","cas:7446-27-7"],["lead phosphate","cas:7446-27-7"],["lead subacetate","cas:1335-32-6"],["lead total","name:lead - total"],["lead total","name:lead, total"],["lead total recoverable","name:lead, total recoverable"],["tetraethyl lead","cas:78-00-2"],["tetramethyl lead","cas:75-74-1"],["total lead freshwater","name:total lead"],["total lead marine","name:total lead"],["triethyl lead","cas:1067-14-7"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order; rows for a marine receiving water after the rest, as none of the place's own rows names a marine, salt, estuarine, coastal or ocean water"},"total":3206,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"f9ce6f6263f79ddb","parameter":"Lead (dissolved)","value":"e^(A + B ln(H)) × {1.46203 – [(ln(H))(0.145712)]}*, A = -1.301, B = 1.273","unit":"µg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7439-92-1","place":["US-IL"],"conditions":["receiving_water is freshwater","General Use waters: waters of the State for which there is no specific designation (35 Ill. Adm. Code 302.201)","hardness-dependent: the row's equation of the receiving water's hardness (mg/L as CaCO3), with A and B as printed; * = conversion factor for dissolved metals"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","section":"35 Ill. Adm. Code 302.208(e)","page":24,"quote":"Lead e A+B ln (H) × e A+B ln (H) × (dissolved) {1.46203 – {1.46203 – [(ln(H))(0.145712)]}* [(ln(H))(0.145712)]}* where A = -1.301 and where A = -2.863 and B = 1.273 B = 1.273"}},{"id":"45283359c68dc4b2","parameter":"Lead (dissolved)","value":"e^(A + B ln(H)) × {1.46203 – [(ln(H))(0.145712)]}*, A = -2.863, B = 1.273","unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7439-92-1","place":["US-IL"],"conditions":["receiving_water is freshwater","General Use waters: waters of the State for which there is no specific designation (35 Ill. Adm. Code 302.201)","hardness-dependent: the row's equation of the receiving water's hardness (mg/L as CaCO3), with A and B as printed; * = conversion factor for dissolved metals"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","section":"35 Ill. Adm. Code 302.208(e)","page":24,"quote":"Lead e A+B ln (H) × e A+B ln (H) × (dissolved) {1.46203 – {1.46203 – [(ln(H))(0.145712)]}* [(ln(H))(0.145712)]}* where A = -1.301 and where A = -2.863 and B = 1.273 B = 1.273"}},{"id":"9eb45b1541930d99","parameter":"Lead (total)","value":"0.05","value_num":0.05,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7439-92-1","place":["US-IL"],"conditions":["receiving_water is freshwater","at any point at which water is withdrawn for treatment and distribution as a potable supply or for food processing (35 Ill. Adm. Code 302.301)"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","section":"35 Ill. Adm. Code 302.304","page":36,"quote":"Lead (total) 0.05"}},{"id":"1dae711ff784e6ab","parameter":"Lead (dissolved)","value":"e^(A + B ln(H)) × {1.46203 − [(lnH)(0.145712)]}*, A = -1.055, B = 1.273","unit":"µg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7439-92-1","place":["US-IL"],"conditions":["receiving_water is freshwater","waters of the Lake Michigan Basin (35 Ill. Adm. Code 303.443)","hardness-dependent: the row's equation of the receiving water's hardness (mg/L as CaCO3), with A and B as printed; * = conversion factor for dissolved metals"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","section":"35 Ill. Adm. Code 302.504(a)","page":60,"quote":"Lead (dissolved) µg/L exp[ A+Bln( H)]× exp[ A+Bln( H)]× NA {1.46203−[(lnH) {1.46203−[(lnH) (0.145712)]}* (0.145712)]}* where A = -1.055 where A = -4.003 and B =1.273 and B = 1.273"}},{"id":"21f60422ab50e09c","parameter":"Lead (dissolved)","value":"e^(A + B ln(H)) × {1.46203 − [(lnH)(0.145712)]}*, A = -4.003, B = 1.273","unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7439-92-1","place":["US-IL"],"conditions":["receiving_water is freshwater","waters of the Lake Michigan Basin (35 Ill. Adm. Code 303.443)","hardness-dependent: the row's equation of the receiving water's hardness (mg/L as CaCO3), with A and B as printed; * = conversion factor for dissolved metals"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","section":"35 Ill. Adm. Code 302.504(a)","page":60,"quote":"Lead (dissolved) µg/L exp[ A+Bln( H)]× exp[ A+Bln( H)]× NA {1.46203−[(lnH) {1.46203−[(lnH) (0.145712)]}* (0.145712)]}* where A = -1.055 where A = -4.003 and B =1.273 and B = 1.273"}},{"id":"c1dca48308538425","parameter":"Lead (total)","value":"50.0","value_num":50,"unit":"µg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7439-92-1","place":["US-IL"],"conditions":["receiving_water is freshwater","waters of the Lake Michigan Basin (35 Ill. Adm. Code 303.443)","the Open Waters of Lake Michigan (35 Ill. Adm. Code 302.501)"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","section":"35 Ill. Adm. Code 302.504(c)","page":62,"quote":"Lead (total) µg/L 50.0"}},{"id":"a1be64b27961f62a","parameter":"Pb","value":".6","value_num":0.6,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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)","(b) For a source discharging less than 38,000 liters (10,000 gal.) per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart A—Common Metals Facilities Discharging Less Than 38,000 Liters 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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"4f838814074f385c","parameter":"Pb","value":".4","value_num":0.4,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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)","(b) For a source discharging less than 38,000 liters (10,000 gal.) per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart A—Common Metals Facilities Discharging Less Than 38,000 Liters 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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"073d86c6ad3d2bc8","parameter":"Pb","value":".6","value_num":0.6,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"45014f182383051e","parameter":"Pb","value":".4","value_num":0.4,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"ff8acaa5eb37bb67","parameter":"Pb","value":"23","value_num":23,"unit":"mg/sq m-Operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb 23 16"}},{"id":"7e30ab8e08f24802","parameter":"Pb","value":"16","value_num":16,"unit":"mg/sq m-Operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb 23 16"}},{"id":"4ea0a917b4a14695","parameter":"Pb","value":".6","value_num":0.6,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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)","(e) For wastewater sources regulated under paragraph (c) of this section, the following optional control program may be elected by the source introducing treated process wastewater into a publicly owned treatment works with the concurrence of the control authority. These optional pollutant parameters are not eligible for allowance for removal achieved by the publicly owned treatment works under…","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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"9a3dc7e1ea8c3e9f","parameter":"Pb","value":".4","value_num":0.4,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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)","(e) For wastewater sources regulated under paragraph (c) of this section, the following optional control program may be elected by the source introducing treated process wastewater into a publicly owned treatment works with the concurrence of the control authority. These optional pollutant parameters are not eligible for allowance for removal achieved by the publicly owned treatment works under…","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","section":"40 CFR 413.14 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"322467dc89f46004","parameter":"Pb","value":".6","value_num":0.6,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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)","(b) For a source discharging less than 38,000 liters (10,000 gal) per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart B—Precious Metals Facilities Discharging Less Than 38,000 Liters 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","section":"40 CFR 413.24 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"9a77e5526307d7c1","parameter":"Pb","value":".4","value_num":0.4,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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)","(b) For a source discharging less than 38,000 liters (10,000 gal) per calendar day of electroplating process wastewater the following limitations shall apply:","table: Subpart B—Precious Metals Facilities Discharging Less Than 38,000 Liters 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","section":"40 CFR 413.24 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"4f2bf8e98bb467fb","parameter":"Pb","value":".6","value_num":0.6,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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","section":"40 CFR 413.24 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"094a01b49990366b","parameter":"Pb","value":".4","value_num":0.4,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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","section":"40 CFR 413.24 (PSES)","page":null,"quote":"Pb .6 .4"}},{"id":"ee88ed4192274680","parameter":"Pb","value":"23","value_num":23,"unit":"mg/sq m-Operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7439-92-1","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 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