{"query":{"parameter":"cadmium","place":"US-VA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-VA","US"],"parameter_keys":["cas:7440-43-9","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","name:cadmium - total","name:cadmium, total","name:cadmium, total recoverable","name:total cadmium"],"names_matched":[["cadmium","cas:7440-43-9"],["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"],["cadmium h copper h mercury lead h zinc","name:cadmium (h), copper (h), mercury, lead (h), zinc"],["cadmium h copper h mercury lead h zinc h","name:cadmium (h), copper (h), mercury, lead (h), zinc"],["cadmium total","name:cadmium - total"],["cadmium total","name:cadmium, total"],["cadmium total recoverable","name:cadmium, total recoverable"],["total cadmium","name:total cadmium"],["total cadmium freshwater","name:total cadmium"],["total cadmium marine","name:total cadmium"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":612,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"bc08b353511ae209","parameter":"Cadmium","value":"1.8 CaCO 3 = 100","value_num":1.8,"unit":"µg/l","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-43-9","place":["US-VA"],"conditions":["receiving_water is freshwater","Class II tidal freshwater and Classes III-VII (9VAC25-260-140 C); in a Class II transition zone the more stringent of the freshwater and saltwater criteria","total hardness 100 mg/L as CaCO3: the table's example value; the criterion is the hardness equation the row prints"],"cite":{"instrument":"us_va_wqs","title":"9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters","issuer":"Commonwealth of Virginia, State Water Control Board (Department of Environmental Quality)","edition":"Virginia Administrative Code as served by the General Assembly's LIS on 2026-10-09; last amended Virginia Register Volume 40, Issue 24, eff. June 26, 2024","source_url":"https://law.lis.virginia.gov/admincode/title9/agency25/chapter260/section140/","source_sha256":"05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (freshwater acute)","page":null,"quote":"Cadmium (µg/l) 5 7440439 Freshwater values are a function of total hardness as calcium carbonate (CaCO 3 ) mg/l and the WER. The minimum hardness allowed for use in the equation below shall be 25 and the maximum hardness shall be 400 even when the actual ambient hardness is less than 25 or greater than 400. Freshwater acute criterion (µg/l) WER e (0.9789[ln(hardness)]-3.866) (CF a ) Freshwater chronic criterion (µg/l) WER e (0.7977[ln(hardness)]-3.909) (CF c ) WER = Water Effect Ratio = 1 unless determined otherwise under 9VAC25-260-140 F e = natural antilogarithm ln = natural logarithm CF = conversion factor a (acute) or c (chronic) CF a = 1.136672-[(ln hardness)(0.041838)] CF c = 1.101672-[(ln hardness)(0.041838)] 1.8 CaCO 3 = 100 0.72 CaCO 3 = 100 33 X WER 7.9 X WER 5"}},{"id":"e9dcb470a854a6e0","parameter":"Cadmium","value":"0.72 CaCO 3 = 100","value_num":0.72,"unit":"µg/l","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-43-9","place":["US-VA"],"conditions":["receiving_water is freshwater","Class II tidal freshwater and Classes III-VII (9VAC25-260-140 C); in a Class II transition zone the more stringent of the freshwater and saltwater criteria","total hardness 100 mg/L as CaCO3: the table's example value; the criterion is the hardness equation the row prints"],"cite":{"instrument":"us_va_wqs","title":"9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters","issuer":"Commonwealth of Virginia, State Water Control Board (Department of Environmental Quality)","edition":"Virginia Administrative Code as served by the General Assembly's LIS on 2026-10-09; last amended Virginia Register Volume 40, Issue 24, eff. June 26, 2024","source_url":"https://law.lis.virginia.gov/admincode/title9/agency25/chapter260/section140/","source_sha256":"05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (freshwater chronic)","page":null,"quote":"Cadmium (µg/l) 5 7440439 Freshwater values are a function of total hardness as calcium carbonate (CaCO 3 ) mg/l and the WER. The minimum hardness allowed for use in the equation below shall be 25 and the maximum hardness shall be 400 even when the actual ambient hardness is less than 25 or greater than 400. Freshwater acute criterion (µg/l) WER e (0.9789[ln(hardness)]-3.866) (CF a ) Freshwater chronic criterion (µg/l) WER e (0.7977[ln(hardness)]-3.909) (CF c ) WER = Water Effect Ratio = 1 unless determined otherwise under 9VAC25-260-140 F e = natural antilogarithm ln = natural logarithm CF = conversion factor a (acute) or c (chronic) CF a = 1.136672-[(ln hardness)(0.041838)] CF c = 1.101672-[(ln hardness)(0.041838)] 1.8 CaCO 3 = 100 0.72 CaCO 3 = 100 33 X WER 7.9 X WER 5"}},{"id":"43cbfdcbd95de9d2","parameter":"Cadmium","value":"33 X WER","value_num":33,"unit":"µg/l","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-43-9","place":["US-VA"],"conditions":["receiving_water is marine","Class I and Class II estuarine waters (9VAC25-260-140 C); in a Class II transition zone the more stringent of the freshwater and saltwater criteria"],"cite":{"instrument":"us_va_wqs","title":"9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters","issuer":"Commonwealth of Virginia, State Water Control Board (Department of Environmental Quality)","edition":"Virginia Administrative Code as served by the General Assembly's LIS on 2026-10-09; last amended Virginia Register Volume 40, Issue 24, eff. June 26, 2024","source_url":"https://law.lis.virginia.gov/admincode/title9/agency25/chapter260/section140/","source_sha256":"05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (saltwater acute)","page":null,"quote":"Cadmium (µg/l) 5 7440439 Freshwater values are a function of total hardness as calcium carbonate (CaCO 3 ) mg/l and the WER. The minimum hardness allowed for use in the equation below shall be 25 and the maximum hardness shall be 400 even when the actual ambient hardness is less than 25 or greater than 400. Freshwater acute criterion (µg/l) WER e (0.9789[ln(hardness)]-3.866) (CF a ) Freshwater chronic criterion (µg/l) WER e (0.7977[ln(hardness)]-3.909) (CF c ) WER = Water Effect Ratio = 1 unless determined otherwise under 9VAC25-260-140 F e = natural antilogarithm ln = natural logarithm CF = conversion factor a (acute) or c (chronic) CF a = 1.136672-[(ln hardness)(0.041838)] CF c = 1.101672-[(ln hardness)(0.041838)] 1.8 CaCO 3 = 100 0.72 CaCO 3 = 100 33 X WER 7.9 X WER 5"}},{"id":"84369aa02deb0156","parameter":"Cadmium","value":"7.9 X WER","value_num":7.9,"unit":"µg/l","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-43-9","place":["US-VA"],"conditions":["receiving_water is marine","Class I and Class II estuarine waters (9VAC25-260-140 C); in a Class II transition zone the more stringent of the freshwater and saltwater criteria"],"cite":{"instrument":"us_va_wqs","title":"9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters","issuer":"Commonwealth of Virginia, State Water Control Board (Department of Environmental Quality)","edition":"Virginia Administrative Code as served by the General Assembly's LIS on 2026-10-09; last amended Virginia Register Volume 40, Issue 24, eff. June 26, 2024","source_url":"https://law.lis.virginia.gov/admincode/title9/agency25/chapter260/section140/","source_sha256":"05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (saltwater chronic)","page":null,"quote":"Cadmium (µg/l) 5 7440439 Freshwater values are a function of total hardness as calcium carbonate (CaCO 3 ) mg/l and the WER. The minimum hardness allowed for use in the equation below shall be 25 and the maximum hardness shall be 400 even when the actual ambient hardness is less than 25 or greater than 400. Freshwater acute criterion (µg/l) WER e (0.9789[ln(hardness)]-3.866) (CF a ) Freshwater chronic criterion (µg/l) WER e (0.7977[ln(hardness)]-3.909) (CF c ) WER = Water Effect Ratio = 1 unless determined otherwise under 9VAC25-260-140 F e = natural antilogarithm ln = natural logarithm CF = conversion factor a (acute) or c (chronic) CF a = 1.136672-[(ln hardness)(0.041838)] CF c = 1.101672-[(ln hardness)(0.041838)] 1.8 CaCO 3 = 100 0.72 CaCO 3 = 100 33 X WER 7.9 X WER 5"}},{"id":"5bf66cf0c323cb10","parameter":"Cadmium","value":"5","value_num":5,"unit":"µg/l","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-43-9","place":["US-VA"],"conditions":["segments designated PWS (public water supply) in 9VAC25-260-390 through 9VAC25-260-540"],"cite":{"instrument":"us_va_wqs","title":"9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters","issuer":"Commonwealth of Virginia, State Water Control Board (Department of Environmental Quality)","edition":"Virginia Administrative Code as served by the General Assembly's LIS on 2026-10-09; last amended Virginia Register Volume 40, Issue 24, eff. June 26, 2024","source_url":"https://law.lis.virginia.gov/admincode/title9/agency25/chapter260/section140/","source_sha256":"05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (human health, public water supply)","page":null,"quote":"Cadmium (µg/l) 5 7440439 Freshwater values are a function of total hardness as calcium carbonate (CaCO 3 ) mg/l and the WER. The minimum hardness allowed for use in the equation below shall be 25 and the maximum hardness shall be 400 even when the actual ambient hardness is less than 25 or greater than 400. Freshwater acute criterion (µg/l) WER e (0.9789[ln(hardness)]-3.866) (CF a ) Freshwater chronic criterion (µg/l) WER e (0.7977[ln(hardness)]-3.909) (CF c ) WER = Water Effect Ratio = 1 unless determined otherwise under 9VAC25-260-140 F e = natural antilogarithm ln = natural logarithm CF = conversion factor a (acute) or c (chronic) CF a = 1.136672-[(ln hardness)(0.041838)] CF c = 1.101672-[(ln hardness)(0.041838)] 1.8 CaCO 3 = 100 0.72 CaCO 3 = 100 33 X WER 7.9 X WER 5"}},{"id":"438d9461762b0a96","parameter":"Cadmium","value":"1.0","value_num":1,"unit":"mg/L","direction":"max","kind":"threshold","medium":"leachate","level":"national","parameter_key":"cas:7440-43-9","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","section":"40 CFR 261.24, Table 1","page":null,"quote":"D006 Cadmium 7440-43-9 1.0"}},{"id":"61943f113fbd68f0","parameter":"Cadmium","value":"0.69","value_num":0.69,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:7440-43-9","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":"Cadmium 7440-43-9 0.69 0.11 mg/l TCLP"}},{"id":"dc91caad3b27226c","parameter":"Cadmium","value":"0.11 mg/l TCLP","value_num":0.11,"unit":"mg/L TCLP","statistic":"instant","direction":"max","kind":"limit","medium":"leachate","level":"national","parameter_key":"cas:7440-43-9","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":"Cadmium 7440-43-9 0.69 0.11 mg/l TCLP"}},{"id":"f4fed814193e1e0d","parameter":"Cd","value":"1.2","value_num":1.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Cd 1.2 .7"}},{"id":"dee7a50742a8188b","parameter":"Cd","value":".7","value_num":0.7,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Cd 1.2 .7"}},{"id":"5dd56369591c22c3","parameter":"Cd","value":"1.2","value_num":1.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Cd 1.2 .7"}},{"id":"073ba142673baa6d","parameter":"Cd","value":".7","value_num":0.7,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Cd 1.2 .7"}},{"id":"53361efaf292ff21","parameter":"Cd","value":"47","value_num":47,"unit":"mg/sq m-Operation","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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":"Cd 47 29"}},{"id":"262cb4ac49375d1d","parameter":"Cd","value":"29","value_num":29,"unit":"mg/sq m-Operation","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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":"Cd 47 29"}},{"id":"89c54d05777874ae","parameter":"Cd","value":"1.2","value_num":1.2,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 413.14 (PSES)","page":null,"quote":"Cd 1.2 .7"}},{"id":"c2ea7b79f28c3609","parameter":"Cd","value":".7","value_num":0.7,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-43-9","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. 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