{"query":{"parameter":"total dissolved solids","place":"US-FL","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-FL","US"],"parameter_keys":["name:tds","name:total dissolved solids"],"names_matched":[["total dissolved solids","name:tds"],["total dissolved solids","name:total dissolved solids"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":19,"offset":0,"returned":19,"next_offset":null,"rows":[{"id":"4dcf9ce7947e44a9","parameter":"Total dissolved solids","value":"500000","value_num":500000,"unit":"µg/L","direction":"max","kind":"threshold","medium":"groundwater","level":"regional","parameter_key":"name:total dissolved solids","place":["US-FL"],"conditions":["groundwater (Table I, Groundwater Criteria column)","Note: If more than one contaminant is present at a site, CTLs are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Figure 10 of the February 2005 'Final Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.' However, GCTLs for primary and secondary standards shall not be modified."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table I, Groundwater and Surface Water Cleanup Target Levels, Groundwater Criteria (DEP spreadsheet, sheet TTable1, row 499)","page":null,"quote":"row 499: Total dissolved solids  [or TDS] | 500000 |  |  | 5000000 | -None Specified  | C-010 |  | Secondary Standard | NA | NA"}},{"id":"c7c4474e4d8818cf","parameter":"Total dissolved solids","value":"5000000","value_num":5000000,"unit":"µg/L","direction":"max","kind":"threshold","medium":"groundwater","level":"regional","parameter_key":"name:total dissolved solids","place":["US-FL"],"conditions":["groundwater of low yield/poor quality (Table I, Groundwater of Low Yield/Poor Quality Criteria column)","Note: If more than one contaminant is present at a site, CTLs are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Figure 10 of the February 2005 'Final Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.' However, GCTLs for primary and secondary standards shall not be modified."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table I, Groundwater and Surface Water Cleanup Target Levels, Groundwater of Low Yield/Poor Quality Criteria (DEP spreadsheet, sheet TTable1, row 499)","page":null,"quote":"row 499: Total dissolved solids  [or TDS] | 500000 |  |  | 5000000 | -None Specified  | C-010 |  | Secondary Standard | NA | NA"}},{"id":"ab4830d99da4e1a7","parameter":"Total dissolved solids","value":"< 500 as a monthly avg.","value_num":500,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:total dissolved solids","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. 45); EPA's re-posting of 2026-10-05 (PDF CreationDate), fetched 2026-10-15","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"9865f1a6486a9332278c619fbcd71dc9f4f19af10e39576eea8ae900136aa284","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"F.A.C. 62-302.530(31)","page":35,"quote":null}},{"id":"cd79095bea28e84b","parameter":"Total dissolved solids","value":"< 1,000 max","value_num":1000,"unit":"mg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:total dissolved solids","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. 45); EPA's re-posting of 2026-10-05 (PDF CreationDate), fetched 2026-10-15","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"9865f1a6486a9332278c619fbcd71dc9f4f19af10e39576eea8ae900136aa284","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"F.A.C. 62-302.530(31)","page":35,"quote":null}},{"id":"7fcbc703e544b3d7","parameter":"TDS","value":"306","value_num":306,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tds","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","existing sources (BAT)","(3) Voluntary incentives plan. (i) For dischargers who voluntarily choose to meet the effluent limitations for FGD wastewater in this paragraph (g)(3)(i), the quantity of pollutants in FGD wastewater shall not exceed the quantity determined by multiplying the flow of FGD wastewater times the concentration listed in table 7 to this paragraph (g)(3)(i). Dischargers who choose to meet the effluent…","table: Table 7 to Paragraph ( g )(3)( i )"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.13 (BAT)","page":null,"quote":"TDS (mg/L) 306 149"}},{"id":"0847ec7b9bcedc86","parameter":"TDS","value":"149","value_num":149,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tds","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","existing sources (BAT)","(3) Voluntary incentives plan. (i) For dischargers who voluntarily choose to meet the effluent limitations for FGD wastewater in this paragraph (g)(3)(i), the quantity of pollutants in FGD wastewater shall not exceed the quantity determined by multiplying the flow of FGD wastewater times the concentration listed in table 7 to this paragraph (g)(3)(i). Dischargers who choose to meet the effluent…","table: Table 7 to Paragraph ( g )(3)( i )"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.13 (BAT)","page":null,"quote":"TDS (mg/L) 306 149"}},{"id":"1d4d5c4590b179b7","parameter":"TDS","value":"50","value_num":50,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tds","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","new sources (NSPS)","(13) FGD wastewater. The quantity of pollutants discharged in FGD wastewater shall not exceed the quantity determined by multiplying the flow of FGD wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.15 (NSPS)","page":null,"quote":"TDS (mg/L) 50 24"}},{"id":"9947e7acf5baa2bb","parameter":"TDS","value":"24","value_num":24,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tds","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","new sources (NSPS)","(13) FGD wastewater. The quantity of pollutants discharged in FGD wastewater shall not exceed the quantity determined by multiplying the flow of FGD wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.15 (NSPS)","page":null,"quote":"TDS (mg/L) 50 24"}},{"id":"f52e728b40e5a558","parameter":"TDS","value":"50","value_num":50,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:tds","place":["US"],"conditions":["route is sewer","cites is 40 CFR 423","new sources (PSNS)","(6) FGD wastewater. The quantity of pollutants discharged in FGD wastewater shall not exceed the quantity determined by multiplying the flow of FGD wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.17 (PSNS)","page":null,"quote":"TDS (mg/L) 50 24"}},{"id":"81512f5088f616a6","parameter":"TDS","value":"24","value_num":24,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:tds","place":["US"],"conditions":["route is sewer","cites is 40 CFR 423","new sources (PSNS)","(6) FGD wastewater. The quantity of pollutants discharged in FGD wastewater shall not exceed the quantity determined by multiplying the flow of FGD wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.17 (PSNS)","page":null,"quote":"TDS (mg/L) 50 24"}},{"id":"a0a4aa5a390d294a","parameter":"Total dissolved solids","value":"38","value_num":38,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","existing sources (BAT)","(j)(1)(i) Gasification wastewater. Except for those discharges to which paragraph (j)(2) of this section applies, the quantity of pollutants in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the table following this paragraph (j)(1)(i). Dischargers must meet the effluent limitations in this pa…"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.13 (BAT)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"6a7ce9955ba7d21f","parameter":"Total dissolved solids","value":"22","value_num":22,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","existing sources (BAT)","(j)(1)(i) Gasification wastewater. Except for those discharges to which paragraph (j)(2) of this section applies, the quantity of pollutants in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the table following this paragraph (j)(1)(i). Dischargers must meet the effluent limitations in this pa…"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.13 (BAT)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"5f54419111d43303","parameter":"Total dissolved solids","value":"38","value_num":38,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","new sources (NSPS)","(15) Gasification wastewater. The quantity of pollutants discharged in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.15 (NSPS)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"741ded8be58fd821","parameter":"Total dissolved solids","value":"22","value_num":22,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is direct","cites is 40 CFR 423","new sources (NSPS)","(15) Gasification wastewater. The quantity of pollutants discharged in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.15 (NSPS)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"32291ca65c23db2a","parameter":"Total dissolved solids","value":"38","value_num":38,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is sewer","cites is 40 CFR 423","existing sources (PSES)","(i) Gasification wastewater. For any electric generating unit with a total nameplate generating capacity of more than 50 megawatts and that is not an oil-fired unit, the quantity of pollutants in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the table following this paragraph (i). Dischargers…"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.16 (PSES)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"6d1466c807c1fbfa","parameter":"Total dissolved solids","value":"22","value_num":22,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is sewer","cites is 40 CFR 423","existing sources (PSES)","(i) Gasification wastewater. For any electric generating unit with a total nameplate generating capacity of more than 50 megawatts and that is not an oil-fired unit, the quantity of pollutants in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the table following this paragraph (i). Dischargers…"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.16 (PSES)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"0c7335b1db7189d8","parameter":"Total dissolved solids","value":"38","value_num":38,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is sewer","cites is 40 CFR 423","new sources (PSNS)","(9) Gasification wastewater. The quantity of pollutants discharged in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.17 (PSNS)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"283f2e4073891ddd","parameter":"Total dissolved solids","value":"22","value_num":22,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["route is sewer","cites is 40 CFR 423","new sources (PSNS)","(9) Gasification wastewater. The quantity of pollutants discharged in gasification wastewater shall not exceed the quantity determined by multiplying the flow of gasification wastewater times the concentration listed in the following table:"],"cite":{"instrument":"us_40cfr423","title":"40 CFR Part 423 — PART 423—STEAM ELECTRIC POWER GENERATING 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=423","source_sha256":"60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 423.17 (PSNS)","page":null,"quote":"Total dissolved solids (mg/L) 38 22"}},{"id":"97602088892d6b04","parameter":"Total dissolved solids (TDS)","value":"500 mg/l","value_num":500,"direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"name:total dissolved solids","place":["US"],"conditions":["40 CFR 143.1: The regulations in this subpart are not Federally enforceable but are intended as guidelines for the States."],"cite":{"instrument":"us_nsdwr","title":"40 CFR Part 143 — National Secondary Drinking Water Regulations (eCFR, as of 2026-08-01)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=143","source_sha256":"a98e8b66948f546c71e119055eff012e6380857a255ec216a4247b658bcf040d","fetched_at":"2026-08-29","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"143.3","page":null,"quote":null,"column":"smcl"}}],"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-FL"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"total dissolved solids\", 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-FL"},"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"}]}