{"query":{"parameter":"total suspended","place":"US-KS","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-KS","US"],"parameter_keys":["name:total suspended","name:residue: non-filterable","name:solids - total suspended","name:matieres en suspension","name:solidi sospesi totali","name:total suspended solids","name:tss","name:total suspended sediment or turbidity"],"names_matched":[["total suspended","name:total suspended"],["residue non filterable total suspended solids","name:residue: non-filterable"],["solids total suspended","name:solids - total suspended"],["solids total suspended tss","name:solids - total suspended"],["total suspended matter","name:matieres en suspension"],["total suspended matter","name:solidi sospesi totali"],["total suspended matter","name:total suspended solids"],["total suspended matter","name:tss"],["total suspended sediment or turbidity","name:total suspended sediment or turbidity"],["total suspended sediments excluding growing algae","name:matieres en suspension"],["total suspended sediments excluding growing algae","name:solidi sospesi totali"],["total suspended sediments excluding growing algae","name:total suspended solids"],["total suspended sediments excluding growing algae","name:tss"],["total suspended solids","name:matieres en suspension"],["total suspended solids","name:solidi sospesi totali"],["total suspended solids","name:total suspended solids"],["total suspended solids","name:tss"],["total suspended solids tss","name:matieres en suspension"],["total suspended solids tss","name:solidi sospesi totali"],["total suspended solids tss","name:total suspended solids"],["total suspended solids tss","name:tss"],["total suspended solids tss or non filterable solids","name:matieres en suspension"],["total suspended solids tss or non filterable solids","name:solidi sospesi totali"],["total suspended solids tss or non filterable solids","name:total suspended solids"],["total suspended solids tss or non filterable solids","name:tss"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":2976,"names":["TSS","Suspended solids","SS"],"says":"2976 rows share a parameter key with a longer name holding \"total suspended\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"total suspended\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":858,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"c282031defbed230","parameter":"Total suspended","value":"8,795.000","value_num":8795,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:total suspended","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(c) Beryllium Carbonate Filtrate.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Total suspended 8,795.000 4,183.000"}},{"id":"d31251a9f4582c6c","parameter":"Total suspended","value":"4,183.000","value_num":4183,"unit":"mg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:total suspended","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart O—Primary Beryllium Subcategory","existing sources (BPT)","(c) Beryllium Carbonate Filtrate.","table: BPT Limitations for the Primary Beryllium Subcategory"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.152 (BPT)","page":null,"quote":"Total suspended 8,795.000 4,183.000"}},{"id":"d8647ef13e92efcd","parameter":"Total Suspended solids","value":"3.0","value_num":3,"unit":"kg/kkg of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.22 (BPT)","page":null,"quote":"Total Suspended solids 3.0 1.5"}},{"id":"57718c8d62d871a7","parameter":"Total Suspended solids","value":"1.5","value_num":1.5,"unit":"kg/kkg of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.22 (BPT)","page":null,"quote":"Total Suspended solids 3.0 1.5"}},{"id":"05fcf642a7673a45","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of paste produced","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(a) Subpart B—Anode and Cathode Paste Plant Wet Air.","table: Pollution Control—NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"d4d4fd2c53ba54d5","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of paste produced","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(a) Subpart B—Anode and Cathode Paste Plant Wet Air.","table: Pollution Control—NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"d4182fb36821df30","parameter":"Total suspended solids","value":"3.135","value_num":3.135,"unit":"mg/kg (pound per million pounds) of anodes cast","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(b) Subpart B—Anode Contact Cooling and Briquette Quenching.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 3.135 2.508"}},{"id":"a1c74318d5a62b2a","parameter":"Total suspended solids","value":"2.508","value_num":2.508,"unit":"mg/kg (pound per million pounds) of anodes cast","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(b) Subpart B—Anode Contact Cooling and Briquette Quenching.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 3.135 2.508"}},{"id":"9a6df1f4c3129918","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of anodes baked","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(c) Subpart B—Anode Bake Plant Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"c9f566af6d613d12","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of anodes baked","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(c) Subpart B—Anode Bake Plant Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"14859aecbaebcc8d","parameter":"Total suspended solids","value":"2,172.000","value_num":2172,"unit":"mg/kg (pound per million pounds) of cryolite recovered","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(d) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Not Commingled With Other Process or Nonprocess Waters).","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 2,172.000 945.800"}},{"id":"8e5d8413569766ca","parameter":"Total suspended solids","value":"945.800","value_num":945.8,"unit":"mg/kg (pound per million pounds) of cryolite recovered","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(d) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Not Commingled With Other Process or Nonprocess Waters).","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 2,172.000 945.800"}},{"id":"6c4a55232ffae269","parameter":"Total suspended solids","value":"2,172.000","value_num":2172,"unit":"mg/kg (pound per million pounds) of cryolite recovered","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(e) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Waters).","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 2,172.000 945.800"}},{"id":"c349d935a910cadb","parameter":"Total suspended solids","value":"945.800","value_num":945.8,"unit":"mg/kg (pound per million pounds) of cryolite recovered","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(e) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Waters).","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 2,172.000 945.800"}},{"id":"e4e45452f7db5d85","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(f) Subpart B—Potline Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"662274a88eae52b6","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(f) Subpart B—Potline Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"19bd2180ef1af8cf","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(g) Subpart B—Potroom Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"65168425e7d29433","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(g) Subpart B—Potroom Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"901673fa3c713c40","parameter":"Total suspended solids","value":"20.120","value_num":20.12,"unit":"mg/kg (pound per million pounds) aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(h) Subpart B—Potline SO 2 Emissions Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 20.120 16.090"}},{"id":"4bdf745c8ed198f2","parameter":"Total suspended solids","value":"16.090","value_num":16.09,"unit":"mg/kg (pound per million pounds) aluminum produced from electrolytic reduction","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(h) Subpart B—Potline SO 2 Emissions Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 20.120 16.090"}},{"id":"ccaf2a62bc611daf","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(i) Subpart B—Degassing Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"d875753ccbd58795","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(i) Subpart B—Degassing Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"dfc0b15c4573485e","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(j) Subpart B—Pot Repair and Pot Soaking.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"a5c8b310555d2194","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(j) Subpart B—Pot Repair and Pot Soaking.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"0d6a496e3a81e628","parameter":"Total suspended solids","value":"19.940","value_num":19.94,"unit":"mg/kg (pound per million pounds) of aluminum product from direct chill casting","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(k) Subpart B—Direct Chill Casting Contact Cooling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 19.940 15.950"}},{"id":"0875485483c131fc","parameter":"Total suspended solids","value":"15.950","value_num":15.95,"unit":"mg/kg (pound per million pounds) of aluminum product from direct chill casting","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(k) Subpart B—Direct Chill Casting Contact Cooling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 19.940 15.950"}},{"id":"d0ef8bfe3e3aa343","parameter":"Total suspended solids","value":"1.560","value_num":1.56,"unit":"mg/kg (pound per million pounds) of aluminum product from rod casting","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(l) Subpart B—Continuous Rod Casting Contact Cooling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 1.560 1.248"}},{"id":"b04c7209024cc58d","parameter":"Total suspended solids","value":"1.248","value_num":1.248,"unit":"mg/kg (pound per million pounds) of aluminum product from rod casting","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(l) Subpart B—Continuous Rod Casting Contact Cooling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids 1.560 1.248"}},{"id":"361ff4d696df65ac","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of aluminum product from stationary casting or shot casting","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(m) Subpart B—Stationary Casting or Shot Casting Contact Cooling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"026c60ac4448ff60","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of aluminum product from stationary casting or shot casting","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","new sources (NSPS)","(m) Subpart B—Stationary Casting or Shot Casting Contact Cooling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.24 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"b5606fddacb5e7e5","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of aluminum scrap dried","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(a) Subpart C—Scrap Drying Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"4d298b637a3bf2df","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of aluminum scrap dried","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(a) Subpart C—Scrap Drying Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"4beb2763ab8abab0","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of aluminum scrap screened and milled","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(b) Subpart C—Scrap Screening and Milling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"b86951753736fd6d","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of aluminum scrap screened and milled","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(b) Subpart C—Scrap Screening and Milling.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"b93675b531277f57","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of dross washed","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(c) Subpart C—Dross Washing.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"dfe151d0d873e90a","parameter":"Total suspended solids","value":".000","value_num":0,"unit":"mg/kg (pounds per million pounds) of dross washed","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(c) Subpart C—Dross Washing.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids .000 .000"}},{"id":"fa0d35832a136753","parameter":"Total suspended solids","value":"11.570","value_num":11.57,"unit":"mg/kg (lb/million lbs) of aluminum demagged","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(d) Subpart C—Demagging Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids 11.570 9.252"}},{"id":"efbec98b0557be81","parameter":"Total suspended solids","value":"9.252","value_num":9.252,"unit":"mg/kg (lb/million lbs) of aluminum demagged","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(d) Subpart C—Demagging Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids 11.570 9.252"}},{"id":"53a10031f2b684db","parameter":"Total suspended solids","value":"4.995","value_num":4.995,"unit":"mg/kg (pounds per million pounds) of aluminum delacquered","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart C—Secondary Aluminum Smelting Subcategory","new sources (NSPS)","(e) Subpart C—Delacquering Wet Air Pollution Control.","table: NSPS"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS 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=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 421.34 (NSPS)","page":null,"quote":"Total suspended solids 4.995 3.996"}},{"id":"6eb6b7de45dcfc55","parameter":"Total suspended solids","value":"3.996","value_num":3.996,"unit":"mg/kg (pounds per million pounds) of aluminum delacquered","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:tss","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the 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