{"query":{"parameter":"cyanide","place":"US-OK","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-OK","US"],"parameter_keys":["cas:57-12-5","name:cyanide,","cas:592-01-8","cas:544-92-3","name:cyanide a","name:cyanide, available or total","name:cyanide, easily liberated","name:cyanide - free","name:cyanide, free","name:cyanide (total-","name:cyanide total","name:cyanide, total","name:cyanide weak acid dissociable","cas:107-12-0","cas:74-90-8","cas:75-05-8","cas:151-50-8","cas:506-61-6","cas:506-64-9","cas:143-33-9","name:total cyanide","cas:557-21-1","name:cianuri liberi","name:cianuri totali","name:cyanures disponibles","name:cyanures totaux"],"names_matched":[["cyanide","cas:57-12-5"],["cyanide","name:cyanide,"],["calcium cyanide","cas:592-01-8"],["calcium cyanide ca cn 2","cas:592-01-8"],["copper cyanide","cas:544-92-3"],["copper cyanide cu cn","cas:544-92-3"],["copper cyanide cucn","cas:544-92-3"],["copper i cyanide","cas:544-92-3"],["cyanide a","name:cyanide a"],["cyanide available or total","name:cyanide, available or total"],["cyanide easily liberated","name:cyanide, easily liberated"],["cyanide free","name:cyanide - free"],["cyanide free","name:cyanide, free"],["cyanide total","name:cyanide (total-"],["cyanide total","name:cyanide total"],["cyanide total","name:cyanide, total"],["cyanide weak acid dissociable","name:cyanide weak acid dissociable"],["cyanide weak acid dissociable total","name:cyanide weak acid dissociable"],["ethyl cyanide","cas:107-12-0"],["hydrogen cyanide","cas:74-90-8"],["methyl cyanide","cas:75-05-8"],["potassium cyanide","cas:151-50-8"],["potassium cyanide k cn","cas:151-50-8"],["potassium silver cyanide","cas:506-61-6"],["silver cyanide","cas:506-64-9"],["silver cyanide ag cn","cas:506-64-9"],["sodium cyanide","cas:143-33-9"],["sodium cyanide na cn","cas:143-33-9"],["total cyanide","name:total cyanide"],["total cyanide freshwater","name:total cyanide"],["total cyanide marine","name:total cyanide"],["zinc cyanide","cas:557-21-1"],["zinc cyanide zn cn 2","cas:557-21-1"],["cyanid leicht freisetzbar","name:cyanide, easily liberated","cyanid"],["cianuri liberi","name:cianuri liberi","cianuri"],["cianuri totali","name:cianuri totali","cianuri"],["cianuri totali come cn","name:cianuri totali","cianuri"],["cyanures disponibles","name:cyanures disponibles","cyanures"],["cyanures disponibles cn","name:cyanures disponibles","cyanures"],["cyanures totaux","name:cyanures totaux","cyanures"]],"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","not_sent":{"rows":8,"names":["Acetonitrile"],"says":"8 rows share a parameter key with a longer name holding \"cyanide\" but are printed under names without these words (that key is wider than the name): not sent. Ask for one by its name or CAS number."}},"total":1730,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"8ded6bc847e7fc83","parameter":"Cyanide","value":"45.93","value_num":45.93,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-12-5","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated with any Fish and Wildlife Propagation subcategory (a water's designated uses: Appendix A; not evaluated)"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"OAC 252:730 Appendix G Table 2","page":134,"quote":"Cyanide 57125 45.93 10.72 200"}},{"id":"2c2d30eafc838da6","parameter":"Cyanide","value":"10.72","value_num":10.72,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-12-5","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated with any Fish and Wildlife Propagation subcategory (a water's designated uses: Appendix A; not evaluated)"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"OAC 252:730 Appendix G Table 2","page":134,"quote":"Cyanide 57125 45.93 10.72 200"}},{"id":"02814e4d36f13f71","parameter":"Cyanide","value":"200","value_num":200,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-12-5","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated Public and Private Water Supply (a water's designated uses: Appendix A; not evaluated)"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"OAC 252:730 Appendix G Table 2","page":134,"quote":"Cyanide 57125 45.93 10.72 200"}},{"id":"e56c26a6361d197a","parameter":"Total Cyanide","value":"1,200","value_num":1200,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. 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 Cyanide 1,200 420"}},{"id":"153bcdae01402619","parameter":"Total Cyanide","value":"1,200","value_num":1200,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. 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 (NSPS)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"8891ed9ebbba13b5","parameter":"Total Cyanide","value":"420","value_num":420,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. 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 Cyanide 1,200 420"}},{"id":"58005d4c790ff34c","parameter":"Total Cyanide","value":"420","value_num":420,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart I—Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for the metals and times the flow from cyanide bearing waste streams for total cyanide. 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 (NSPS)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"5c187ff5611044d0","parameter":"Total Cyanide","value":"1,200","value_num":1200,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"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 414.101 (BAT)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"f791dc13d1ab1d20","parameter":"Total Cyanide","value":"1,200","value_num":1200,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"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 414.101 (NSPS)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"4dae5d568d586d69","parameter":"Total Cyanide","value":"420","value_num":420,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","existing sources (BAT)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"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 414.101 (BAT)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"bc81786f84c7930e","parameter":"Total Cyanide","value":"420","value_num":420,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is direct","cites is 40 CFR 414","the discharge is of the Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment","new sources (NSPS)","(b) In the case of chromium, copper, lead, nickel, zinc, and total cyanide, the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal bearing waste streams for the metals and times the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste st…"],"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 414.101 (NSPS)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"7858d4fbd67f6bb9","parameter":"Total Cyanide","value":"1,200","value_num":1200,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is sewer","cites is 40 CFR 414","the discharge is of the Subpart K—Indirect Discharge Point Sources","new sources (PSNS)","(b) In the case of lead, zinc, and total cyanide the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for metals and times the flow from the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste streams are defined…"],"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 414.111 (PSNS)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"0699cf527ac50b15","parameter":"Total Cyanide","value":"420","value_num":420,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["(a) The provisions of this part are applicable to process wastewater discharges from all establishments or portions of establishments that manufacture the organic chemicals, plastics, and synthetic fibers (OCPSF) products or product groups covered by subparts B through H of this regulation and are i","route is sewer","cites is 40 CFR 414","the discharge is of the Subpart K—Indirect Discharge Point Sources","new sources (PSNS)","(b) In the case of lead, zinc, and total cyanide the discharge quantity (mass) shall be determined by multiplying the concentrations listed in the following table for these pollutants times the flow from metal-bearing waste streams for metals and times the flow from the cyanide-bearing waste streams for total cyanide. The metal-bearing waste streams and cyanide-bearing waste streams are defined…"],"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 414.111 (PSNS)","page":null,"quote":"Total Cyanide 1,200 420"}},{"id":"5c5445cea9ed9c8b","parameter":"Total Cyanide","value":"0.65","value_num":0.65,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","existing sources (BPT)","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.422 (BPT)","page":null,"quote":"Total Cyanide 0.65 0.23"}},{"id":"6b5ed963bf69c8e5","parameter":"Total Cyanide","value":"0.23","value_num":0.23,"unit":"Kg/kkg (or pounds per 1,000 lb) of 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Cyanide","value":"0.65","value_num":0.65,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","existing sources (BAT)","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.423 (BAT)","page":null,"quote":"Total Cyanide 0.65 0.23"}},{"id":"ddf8e32c3fbdaf26","parameter":"Total Cyanide","value":"0.23","value_num":0.23,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","existing sources (BAT)","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.423 (BAT)","page":null,"quote":"Total Cyanide 0.65 0.23"}},{"id":"f2f18477fd1b61bc","parameter":"Total Cyanide","value":"0.65","value_num":0.65,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.425 (NSPS)","page":null,"quote":"Total Cyanide 0.65 0.23"}},{"id":"d93703b8fc13e537","parameter":"Total Cyanide","value":"0.23","value_num":0.23,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.425 (NSPS)","page":null,"quote":"Total Cyanide 0.65 0.23"}},{"id":"0e887866be641782","parameter":"Total Cyanide","value":"11","value_num":11,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","new sources (PSNS)","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.426 (PSNS)","page":null,"quote":"Total Cyanide 11 4.0"}},{"id":"685bfdfdf3bbb559","parameter":"Total Cyanide","value":"4.0","value_num":4,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart AP—Hydrogen Cyanide Production Subcategory","new sources (PSNS)","table: Subpart AP—Hydrogen Cyanide"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","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=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.426 (PSNS)","page":null,"quote":"Total Cyanide 11 4.0"}},{"id":"96d9f000bfdf3ebe","parameter":"Cyanide","value":"0.0657","value_num":0.0657,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","existing sources (BPT)","(a) By-product cokemaking—iron and steel.","table: Subpart A"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.12 (BPT)","page":null,"quote":"Cyanide 0.0657 0.0219"}},{"id":"be80e431bee0fe59","parameter":"Cyanide","value":"0.0219","value_num":0.0219,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","existing sources (BPT)","(a) By-product cokemaking—iron and steel.","table: Subpart A"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.12 (BPT)","page":null,"quote":"Cyanide 0.0657 0.0219"}},{"id":"fa8d9584d8fc4c75","parameter":"Cyanide","value":"0.0701","value_num":0.0701,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is 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0.0234"}},{"id":"deb22a60aecebb12","parameter":"Cyanide","value":"0.00297","value_num":0.00297,"unit":"Pounds per thousand lb of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","existing sources (BAT)","(a) By-product cokemaking.","table: Subpart A—Effluent Limitations (BAT)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.13 (BAT)","page":null,"quote":"Cyanide 0.00297 0.00208"}},{"id":"d25b899cc51e9ddc","parameter":"Cyanide","value":"0.00208","value_num":0.00208,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","existing sources (BAT)","(a) By-product cokemaking.","table: Subpart A—Effluent Limitations (BAT)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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(NSPS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.14 (NSPS)","page":null,"quote":"Cyanide 0.00297 0.00208"}},{"id":"9ad6c482b0ea07e9","parameter":"Cyanide","value":"0.00208","value_num":0.00208,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","new sources (NSPS)","(2) The following standards apply with respect to each new source that commences construction after November 18, 2002:","table: Subpart A—New Source Performance Standards (NSPS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.14 (NSPS)","page":null,"quote":"Cyanide 0.00297 0.00208"}},{"id":"128aa13943ddea40","parameter":"Cyanide","value":"0.00724","value_num":0.00724,"unit":"Pounds per thousand lb of 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0.00506"}},{"id":"31c33cc6e7f4352e","parameter":"Cyanide","value":"0.00506","value_num":0.00506,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","existing sources (PSES)","(a) By-product cokemaking.","table: Subpart A—Pretreatment Standards for Existing Sources (PSES)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.16 (PSNS)","page":null,"quote":"Cyanide 0.00297 0.00208"}},{"id":"b921ce5b3e711800","parameter":"Cyanide","value":"0.00208","value_num":0.00208,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart A—Cokemaking Subcategory","new sources (PSNS)","table: Subpart A—Pretreatment Standards for New Sources (PSNS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.16 (PSNS)","page":null,"quote":"Cyanide 0.00297 0.00208"}},{"id":"5921669437433fde","parameter":"Cyanide","value":"0.00300","value_num":0.003,"unit":"Pounds per thousand lb of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","existing sources (BAT)","(a) Sintering operations with wet air pollution control system. The following table presents BAT limitations for sintering operations with wet air pollution control systems:","table: Subpart B—Effluent Limitations (BAT)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.23 (BAT)","page":null,"quote":"Cyanide 2 0.00300 0.00150"}},{"id":"75bd3cdd1bb2486a","parameter":"Cyanide","value":"0.00150","value_num":0.0015,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","existing sources (BAT)","(a) Sintering operations with wet air pollution control system. The following table presents BAT limitations for sintering operations with wet air pollution control systems:","table: Subpart B—Effluent Limitations (BAT)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.23 (BAT)","page":null,"quote":"Cyanide 2 0.00300 0.00150"}},{"id":"6f7f1663d176431a","parameter":"Cyanide","value":"0.00100","value_num":0.001,"unit":"Pounds per thousand lb of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","new sources (NSPS)","(1) Sintering operations with wet air pollution control system. The following table presents NSPS for sintering operations with wet air pollution control systems:","table: Subpart B—New Source Performance Standards (NSPS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.24 (NSPS)","page":null,"quote":"Cyanide 2 0.00100 0.000501"}},{"id":"baf366e6f438596e","parameter":"Cyanide","value":"0.000501","value_num":0.000501,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","new sources (NSPS)","(1) Sintering operations with wet air pollution control system. The following table presents NSPS for sintering operations with wet air pollution control systems:","table: Subpart B—New Source Performance Standards (NSPS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.24 (NSPS)","page":null,"quote":"Cyanide 2 0.00100 0.000501"}},{"id":"228435f0ce2c9fbb","parameter":"Cyanide","value":"0.00300","value_num":0.003,"unit":"Pounds per thousand lb of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","existing sources (PSES)","(a) Sintering operations with wet air pollution control system. The following table presents PSES for sintering operations with wet air pollution control systems:","table: Subpart B—Pretreatment Standards for Existing Sources (PSES)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.25 (PSES)","page":null,"quote":"Cyanide 2 0.00300 0.00150"}},{"id":"d1db544264e32bf2","parameter":"Cyanide","value":"0.00150","value_num":0.0015,"unit":"Pounds per thousand lb of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","existing sources (PSES)","(a) Sintering operations with wet air pollution control system. The following table presents PSES for sintering operations with wet air pollution control systems:","table: Subpart B—Pretreatment Standards for Existing Sources (PSES)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.25 (PSES)","page":null,"quote":"Cyanide 2 0.00300 0.00150"}},{"id":"f69939ad66d53370","parameter":"Cyanide","value":"0.00100","value_num":0.001,"unit":"Pounds per thousand pound of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","new sources (PSNS)","table: Subpart B—Pretreatment Standards for New Sources (PSNS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.26 (PSNS)","page":null,"quote":"Cyanide 2 0.00100 0.000501"}},{"id":"5394328507d2480d","parameter":"Cyanide","value":"0.000501","value_num":0.000501,"unit":"Pounds per thousand pound of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart B—Sintering Subcategory","new sources (PSNS)","table: Subpart B—Pretreatment Standards for New Sources (PSNS)"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.26 (PSNS)","page":null,"quote":"Cyanide 2 0.00100 0.000501"}},{"id":"fc55a5da677bec6e","parameter":"Cyanide","value":"0.0234","value_num":0.0234,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (BPT)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.32 (BPT)","page":null,"quote":"Cyanide 0.0234 0.00782"}},{"id":"cd3dd2a3a5215fa9","parameter":"Cyanide","value":"0.00782","value_num":0.00782,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (BPT)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.32 (BPT)","page":null,"quote":"Cyanide 0.0234 0.00782"}},{"id":"a9db2ff7e7e54860","parameter":"Cyanide","value":"0.00175","value_num":0.00175,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (BAT)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.33 (BAT)","page":null,"quote":"Cyanide 0.00175 0.000876"}},{"id":"74be825cf77958b5","parameter":"Cyanide","value":"0.000876","value_num":0.000876,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (BAT)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.33 (BAT)","page":null,"quote":"Cyanide 0.00175 0.000876"}},{"id":"e0cbd5d8cc116247","parameter":"Cyanide","value":"0.000584","value_num":0.000584,"unit":"Kg/kkg (pounds per 1,000 lb) of products","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","new sources (NSPS)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.34 (NSPS)","page":null,"quote":"Cyanide 0.000584 0.000292"}},{"id":"4f72d6f1e126f45c","parameter":"Cyanide","value":"0.000292","value_num":0.000292,"unit":"Kg/kkg (pounds per 1,000 lb) of products","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is direct","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","new sources (NSPS)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.34 (NSPS)","page":null,"quote":"Cyanide 0.000584 0.000292"}},{"id":"aad06ab869953348","parameter":"Cyanide","value":"0.00175","value_num":0.00175,"unit":"Kg/kkg (pounds per 1,000 lb) of products","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (PSES)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.35 (PSES)","page":null,"quote":"Cyanide 0.00175 0.000876"}},{"id":"52bf7b2c914c426d","parameter":"Cyanide","value":"0.000876","value_num":0.000876,"unit":"Kg/kkg (pounds per 1,000 lb) of products","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (PSES)","(a) Iron blast furnace.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.35 (PSES)","page":null,"quote":"Cyanide 0.00175 0.000876"}},{"id":"fa83cd8cc21de800","parameter":"Cyanide","value":"0.00175","value_num":0.00175,"unit":"Kg/kkg (pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:57-12-5","place":["US"],"conditions":["route is sewer","cites is 40 CFR 420","the discharge is of the Subpart C—Ironmaking Subcategory","existing sources (PSES)","(c) Existing indirect dischargers.","table: Subpart C"],"cite":{"instrument":"us_40cfr420","title":"40 CFR Part 420 — PART 420—IRON AND STEEL 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=420","source_sha256":"15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 420.35 (PSES)","page":null,"quote":"Cyanide 0.00175 0.000876"}}],"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-OK"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"cyanide\", 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-OK"},"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"}]}