{"query":{"parameter":"chromium total","place":"US-MI","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-MI","US"],"parameter_keys":["cas:7440-47-3","name:chromium total","name:chromium, total","name:chromium +3, total","name:chromium (+3)","name:chromium +6, total","name:chromium (+6)","cas:18540-29-9","cas:16065-83-1","name:total chromium","name:chrome total","name:chromium +6","name:chromium (vi) (freshwater) chromium (vi) marine","cas:92203-02-6","name:cromo totale"],"names_matched":[["chromium total","cas:7440-47-3"],["chromium total","name:chromium total"],["chromium total","name:chromium, total"],["chromium 3 total","name:chromium +3, total"],["chromium 3 total recoverable","name:chromium (+3)"],["chromium 6 total","name:chromium +6, total"],["chromium 6 total recoverable","name:chromium (+6)"],["chromium hexavalent total","cas:18540-29-9"],["chromium iii total","cas:16065-83-1"],["chromium iii total recoverable","cas:16065-83-1"],["chromium total hexavalent cr vi","cas:18540-29-9"],["chromium total trivalent cr iii","cas:16065-83-1"],["chromium vi total","cas:18540-29-9"],["chromium vi total recoverable","cas:18540-29-9"],["total chromium total recoverable","name:total chromium"],["chrom vi","cas:18540-29-9","chrom"],["chrome composes de chrome hexavalent","cas:18540-29-9","chrome"],["chrome composes de chrome trivalent","cas:16065-83-1","chrome"],["chrome hexavalent et composes en cr 6","cas:18540-29-9","chrome"],["chrome iii cr iii","cas:16065-83-1","chrome"],["chrome total","name:chrome total","chrome"],["chrome total cr","name:chrome total","chrome"],["chrome vi cr vi","cas:18540-29-9","chrome"],["chromium 3","cas:16065-83-1","chromium"],["chromium 3","name:chromium (+3)","chromium"],["chromium 6","cas:18540-29-9","chromium"],["chromium 6","name:chromium (+6)","chromium"],["chromium 6","name:chromium +6","chromium"],["chromium hex","cas:18540-29-9","chromium"],["chromium hex dissolved","cas:18540-29-9","chromium"],["chromium hexavalent","cas:18540-29-9","chromium"],["chromium hexavalent cr vi","cas:18540-29-9","chromium"],["chromium hexavalent dissolved","cas:18540-29-9","chromium"],["chromium iii","cas:16065-83-1","chromium"],["chromium iii dissolved","cas:16065-83-1","chromium"],["chromium iii insoluble salts","cas:16065-83-1","chromium"],["chromium iii soluble compounds","cas:16065-83-1","chromium"],["chromium tri","cas:16065-83-1","chromium"],["chromium trivalent","cas:16065-83-1","chromium"],["chromium trivalent cr iii","cas:16065-83-1","chromium"],["chromium trivalent dissolved","cas:16065-83-1","chromium"],["chromium vi","cas:18540-29-9","chromium"],["chromium vi and compounds 1 12","cas:18540-29-9","chromium"],["chromium vi and compounds 1 13","cas:18540-29-9","chromium"],["chromium vi dissolved","cas:18540-29-9","chromium"],["chromium vi freshwater chromium vi marine","name:chromium (vi) (freshwater) chromium (vi) marine","chromium"],["hexavalent chromium","cas:18540-29-9","chromium"],["phosphoric acid reaction products with aluminum hydroxide and chromium oxide cro3","cas:92203-02-6","chromium"],["total chromium","name:total chromium","chromium"],["cromo totale","name:cromo totale","cromo totale"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order; rows for a marine receiving water after the rest, as none of the place's own rows names a marine, salt, estuarine, coastal or ocean water"},"total":2699,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"b87763f4318c77cb","parameter":"Chromium (VI) (dissolved)","value":"16","value_num":16,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-MI"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_mi_wqs","title":"Michigan Part 4 Water Quality Standards (R 323.1041-1117): Rule 57 aquatic life (Tables 1-2), wildlife (Table 4) and human health (Tables 7-8) values; Rule 51 dissolved solids and chlorides, Rule 53 pH, Rule 64 dissolved oxygen","issuer":"State of Michigan, Department of Environmental Quality (now EGLE), Water Bureau","edition":"Part 4 Water Quality Standards, R 323.1041-1117, filed and effective January 13, 2006, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/mi-part4-wqs.pdf","source_sha256":"e0d887941416c17cde61963ce255daf22285ab07fb30051ea72d077601179bbe","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"R 323.1057(2) Table 1","page":36,"quote":"Chromium (VI) 2 16 0.982"}},{"id":"4c94f987964def97","parameter":"Chromium (VI) (dissolved)","value":"11","value_num":11,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-MI"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_mi_wqs","title":"Michigan Part 4 Water Quality Standards (R 323.1041-1117): Rule 57 aquatic life (Tables 1-2), wildlife (Table 4) and human health (Tables 7-8) values; Rule 51 dissolved solids and chlorides, Rule 53 pH, Rule 64 dissolved oxygen","issuer":"State of Michigan, Department of Environmental Quality (now EGLE), Water Bureau","edition":"Part 4 Water Quality Standards, R 323.1041-1117, filed and effective January 13, 2006, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/mi-part4-wqs.pdf","source_sha256":"e0d887941416c17cde61963ce255daf22285ab07fb30051ea72d077601179bbe","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"R 323.1057(2) Table 2","page":37,"quote":"Chromium (VI)2 11 0.962"}},{"id":"973750121942970a","parameter":"Chromium (III) (dissolved)","value":"(e 0.819(lnH)+3.7256)(CF)","unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16065-83-1","place":["US-MI"],"conditions":["receiving_water is freshwater","hardness-dependent: the row's equation of the receiving water's hardness (lnH = natural log of hardness as mg/L CaCO3), times its conversion factor; printed, not evaluated"],"cite":{"instrument":"us_mi_wqs","title":"Michigan Part 4 Water Quality Standards (R 323.1041-1117): Rule 57 aquatic life (Tables 1-2), wildlife (Table 4) and human health (Tables 7-8) values; Rule 51 dissolved solids and chlorides, Rule 53 pH, Rule 64 dissolved oxygen","issuer":"State of Michigan, Department of Environmental Quality (now EGLE), Water Bureau","edition":"Part 4 Water Quality Standards, R 323.1041-1117, filed and effective January 13, 2006, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/mi-part4-wqs.pdf","source_sha256":"e0d887941416c17cde61963ce255daf22285ab07fb30051ea72d077601179bbe","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"R 323.1057(2) Table 1","page":36,"quote":"Chromium (III)2 (e 0.819(lnH)+3.7256)(CF) 0.316"}},{"id":"09d0ac2c54d0e057","parameter":"Chromium (III) (dissolved)","value":"(e0.819(lnH)+0.6848)(CF)","unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16065-83-1","place":["US-MI"],"conditions":["receiving_water is freshwater","hardness-dependent: the row's equation of the receiving water's hardness (lnH = natural log of hardness as mg/L CaCO3), times its conversion factor; printed, not evaluated"],"cite":{"instrument":"us_mi_wqs","title":"Michigan Part 4 Water Quality Standards (R 323.1041-1117): Rule 57 aquatic life (Tables 1-2), wildlife (Table 4) and human health (Tables 7-8) values; Rule 51 dissolved solids and chlorides, Rule 53 pH, Rule 64 dissolved oxygen","issuer":"State of Michigan, Department of Environmental Quality (now EGLE), Water Bureau","edition":"Part 4 Water Quality Standards, R 323.1041-1117, filed and effective January 13, 2006, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/mi-part4-wqs.pdf","source_sha256":"e0d887941416c17cde61963ce255daf22285ab07fb30051ea72d077601179bbe","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"R 323.1057(2) Table 2","page":37,"quote":"Chromium (III)2 (e0.819(lnH)+0.6848)(CF) 0.86"}},{"id":"a2fa3493dcb86bd1","parameter":"Total chromium","value":"0.10","value_num":0.1,"unit":"Kg/kkg (or pounds per 1,000 lb) of wool","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart A—Wool Scouring Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.12 (BPT)","page":null,"quote":"Total chromium 0.10 0.05"}},{"id":"36635e19cc6a833a","parameter":"Total chromium","value":"0.05","value_num":0.05,"unit":"Kg/kkg (or pounds per 1,000 lb) of wool","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart A—Wool Scouring Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.12 (BPT)","page":null,"quote":"Total chromium 0.10 0.05"}},{"id":"19f355cc15cdb2b4","parameter":"Total chromium","value":"0.10","value_num":0.1,"unit":"Kg/kkg (or pounds per 1,000 lb) of wool","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart A—Wool Scouring Subcategory","existing sources (BAT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.13 (BAT)","page":null,"quote":"Total chromium 0.10 0.05"}},{"id":"561c76aeec589198","parameter":"Total chromium","value":"0.05","value_num":0.05,"unit":"Kg/kkg (or pounds per 1,000 lb) of wool","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart A—Wool Scouring Subcategory","existing sources (BAT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.13 (BAT)","page":null,"quote":"Total chromium 0.10 0.05"}},{"id":"5bfc61f2e78c8431","parameter":"Total chromium","value":"0.10","value_num":0.1,"unit":"Kg/kkg (or pounds per 1,000 lb) of wool","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart A—Wool Scouring Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.15 (NSPS)","page":null,"quote":"Total chromium 0.10 0.05"}},{"id":"8dbd6e58fdbd9768","parameter":"Total chromium","value":"0.05","value_num":0.05,"unit":"Kg/kkg (or pounds per 1,000 lb) of wool","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart A—Wool Scouring Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.15 (NSPS)","page":null,"quote":"Total chromium 0.10 0.05"}},{"id":"90fc4e006a1a04d2","parameter":"Total chromium","value":"0.14","value_num":0.14,"unit":"Kg/kkg (or pound per 1,000 lb) of fiber","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart B—Wool Finishing Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.22 (BPT)","page":null,"quote":"Total chromium 0.14 0.07"}},{"id":"89265e0626282df3","parameter":"Total chromium","value":"0.07","value_num":0.07,"unit":"Kg/kkg (or pound per 1,000 lb) of fiber","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart B—Wool Finishing Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.22 (BPT)","page":null,"quote":"Total chromium 0.14 0.07"}},{"id":"97964758a6b9a2c2","parameter":"Total Chromium","value":"0.14","value_num":0.14,"unit":"Kg/kkg (or pounds per 1,000 lb) of fiber","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart B—Wool Finishing Subcategory","existing sources (BAT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.23 (BAT)","page":null,"quote":"Total Chromium 0.14 0.07"}},{"id":"3e3c432aca58877e","parameter":"Total Chromium","value":"0.07","value_num":0.07,"unit":"Kg/kkg (or pounds per 1,000 lb) of fiber","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart B—Wool Finishing Subcategory","existing sources (BAT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.23 (BAT)","page":null,"quote":"Total Chromium 0.14 0.07"}},{"id":"d8d5db7f9e6541a4","parameter":"Total Chromium","value":"0.14","value_num":0.14,"unit":"Kg/kkg (pounds per 1,000 lb) of fiber","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart B—Wool Finishing Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.25 (NSPS)","page":null,"quote":"Total Chromium 0.14 0.07"}},{"id":"78a20d9e575742bf","parameter":"Total Chromium","value":"0.07","value_num":0.07,"unit":"Kg/kkg (pounds per 1,000 lb) of fiber","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart B—Wool Finishing Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS 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=410","source_sha256":"02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 410.25 (NSPS)","page":null,"quote":"Total Chromium 0.14 0.07"}},{"id":"6b4cb9882cd80697","parameter":"Total Chromium","value":"0.10","value_num":0.1,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-47-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 410","the discharge is of the Subpart D—Woven Fabric Finishing Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr410","title":"40 CFR Part 410 — PART 410—TEXTILE MILLS POINT SOURCE 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