{"query":{"parameter":"benzene","place":"US-FL","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-FL","US"],"parameter_keys":["cas:71-43-2"],"names_matched":[["benzene","cas:71-43-2"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order","not_searched":{"names":112,"parameters":103,"some":["1 2 3 4 tetrachloro benzene","1 2 3 5 tetrachloro benzene","1 2 3 trimethyl benzene","1 2 4 5 tetrachloro benzene","1 2 4 trichloro benzene","1 3 5 trimethyl benzene","1 3 dimethylbutyl benzene","1 allyl 2 5 dimethoxy 3 4 methylenedioxy benzene","1 methyl 2 2 propenyl benzene","1 methylene 2 propenyl benzene","1 methylethenyl benzene homopolymer ar 2 hydroxy 2 methyl 1 oxopropyl derivs","1 methylethyl benzene oxidized polyphenyl residues","2 ou 4 methyl 4 6 ou 2 6 bis methylthio benzene 1 3 diamine","3 5 bis 1 1 dimethylethyl 4 hydroxy thio 2 1 benzene propanonic acid","acide benzene 1 2 4 5 tetracarboxylique compose avec le 4 5 dihydro 2 phenyl 1h imidazole 1 1","acide benzene dodecyl sulfonique","ammonium lauryl benzene sulfonate","benzene 1 1 2 2 2 trichloroethylidene bis 4 methoxy","benzene 1 1 dimethylethyl ethenyl","benzene 1 1 methylenebis 4 isocyanato homopolymer","benzene 1 2 bis 1 methylethyl","benzene 1 3 5 triethyl","benzene 1 bromo 2 methoxy","benzene 1 bromo 3 fluoro","benzene 1 bromo 4 methoxy"],"says":"112 other names contain \"benzene\" (103 parameters, over the 40 searched at once): ask for one of them by name."}},"total":29,"offset":0,"returned":29,"next_offset":null,"rows":[{"id":"2a2c85a366e46702","parameter":"Benzene","value":"< 1.18","value_num":1.18,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:71-43-2","place":["US-FL"],"conditions":["receiving_water is freshwater","Class I, potable water supplies (waters listed by name in 62-302.400, F.A.C.)"],"cite":{"instrument":"us_fl_wqs","title":"F.A.C. 62-302.530 Table: Surface Water Quality Criteria (Florida) — Class I, II, III fresh, III marine and IV criteria","issuer":"State of Florida, Department of Environmental Protection (Environmental Regulation Commission)","edition":"Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"f3ccfcb40c57682dd8607841501a313e90e426964f71041b637a4bea9962421f","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"changed","changed_on":"2026-10-15","says":"Source changed on or before 2026-10-15, not yet re-read: these rows are as read from Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)."},"section":"F.A.C. 62-302.530(8)","page":30,"quote":null}},{"id":"b7de4dfb9663c18b","parameter":"Benzene","value":"< 71.28 annual avg.","value_num":71.28,"unit":"µg/L","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:71-43-2","place":["US-FL"],"conditions":["receiving_water is marine","Class II, shellfish propagation or harvesting (waters listed by name in 62-302.400, F.A.C.)"],"cite":{"instrument":"us_fl_wqs","title":"F.A.C. 62-302.530 Table: Surface Water Quality Criteria (Florida) — Class I, II, III fresh, III marine and IV criteria","issuer":"State of Florida, Department of Environmental Protection (Environmental Regulation Commission)","edition":"Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"f3ccfcb40c57682dd8607841501a313e90e426964f71041b637a4bea9962421f","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"changed","changed_on":"2026-10-15","says":"Source changed on or before 2026-10-15, not yet re-read: these rows are as read from Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)."},"section":"F.A.C. 62-302.530(8)","page":30,"quote":null}},{"id":"980a1e3b5584e690","parameter":"Benzene","value":"< 71.28 annual avg.","value_num":71.28,"unit":"µg/L","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:71-43-2","place":["US-FL"],"conditions":["receiving_water is freshwater","Class III and Class III-Limited, predominantly fresh waters (every Florida surface water not listed in 62-302.400, F.A.C., is Class III)"],"cite":{"instrument":"us_fl_wqs","title":"F.A.C. 62-302.530 Table: Surface Water Quality Criteria (Florida) — Class I, II, III fresh, III marine and IV criteria","issuer":"State of Florida, Department of Environmental Protection (Environmental Regulation Commission)","edition":"Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"f3ccfcb40c57682dd8607841501a313e90e426964f71041b637a4bea9962421f","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"changed","changed_on":"2026-10-15","says":"Source changed on or before 2026-10-15, not yet re-read: these rows are as read from Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)."},"section":"F.A.C. 62-302.530(8)","page":30,"quote":null}},{"id":"c5df689a48fa6435","parameter":"Benzene","value":"< 71.28 annual avg.","value_num":71.28,"unit":"µg/L","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:71-43-2","place":["US-FL"],"conditions":["receiving_water is marine","Class III and Class III-Limited, predominantly marine waters (every Florida surface water not listed in 62-302.400, F.A.C., is Class III)"],"cite":{"instrument":"us_fl_wqs","title":"F.A.C. 62-302.530 Table: Surface Water Quality Criteria (Florida) — Class I, II, III fresh, III marine and IV criteria","issuer":"State of Florida, Department of Environmental Protection (Environmental Regulation Commission)","edition":"Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"f3ccfcb40c57682dd8607841501a313e90e426964f71041b637a4bea9962421f","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"changed","changed_on":"2026-10-15","says":"Source changed on or before 2026-10-15, not yet re-read: these rows are as read from Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 46)."},"section":"F.A.C. 62-302.530(8)","page":30,"quote":null}},{"id":"d2189581f72172ea","parameter":"Benzene","value":"136","value_num":136,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 136 37"}},{"id":"9500064eeee7610b","parameter":"Benzene","value":"136","value_num":136,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 136 37"}},{"id":"e934426e9dbef5b9","parameter":"Benzene","value":"37","value_num":37,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 136 37"}},{"id":"b3472289e93ad1df","parameter":"Benzene","value":"37","value_num":37,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 136 37"}},{"id":"92dc262198d5e649","parameter":"Benzene","value":"134","value_num":134,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 134 57"}},{"id":"6c4184692547e0a8","parameter":"Benzene","value":"134","value_num":134,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 134 57"}},{"id":"168a0f9a6bda52d3","parameter":"Benzene","value":"57","value_num":57,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 134 57"}},{"id":"4ad94f2b5b877ac5","parameter":"Benzene","value":"57","value_num":57,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","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":"Benzene 134 57"}},{"id":"e3af5b2ff9711646","parameter":"Benzene","value":"134","value_num":134,"unit":"µg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:71-43-2","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":"Benzene 134 57"}},{"id":"f5b0873671c41d38","parameter":"Benzene","value":"57","value_num":57,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:71-43-2","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":"Benzene 134 57"}},{"id":"1f5deecb5f612a3f","parameter":"Benzene","value":"0.05","value_num":0.05,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:71-43-2","place":["US"],"conditions":["route is direct","cites is 40 CFR 439","the discharge is of the Subpart A—Fermentation Products","existing 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