{"query":{"parameter":"chromium total","place":"US-NE","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NE","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":2704,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"d104a1fe96dee5e0","parameter":"Chromium","value":"0.1 mg/L","value_num":0.1,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-47-3","place":["US-NE"],"conditions":["receiving_water is freshwater","surface waters which serve as a public drinking water supply (004.01; Chapters 5 and 6)"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 004.01B","page":61,"quote":"Chromium c 0.1 mg/L 7439-92-1"}},{"id":"3c612edb1895e0b1","parameter":"Chromium (VI) (dissolved)","value":"16","value_num":16,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a coldwater aquatic life use class (class A or B; Chapters 5 and 6)"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.03B1","page":49,"quote":"Chromium (VI) 16a 11b"}},{"id":"1635a57e9436282a","parameter":"Chromium (VI) (dissolved)","value":"11","value_num":11,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a coldwater aquatic life use class (class A or B; Chapters 5 and 6)"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.03B1","page":49,"quote":"Chromium (VI) 16a 11b"}},{"id":"5730d7edbcedf1c0","parameter":"Chromium (VI) (dissolved)","value":"16","value_num":16,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a warmwater aquatic life use class (class A or B; Chapters 5 and 6)"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.04B1","page":56,"quote":"Chromium (VI) 16a 11b"}},{"id":"c3b307e63a9f8d00","parameter":"Chromium (VI) (dissolved)","value":"11","value_num":11,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a warmwater aquatic life use class (class A or B; Chapters 5 and 6)"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.04B1","page":56,"quote":"Chromium (VI) 16a 11b"}},{"id":"36683714ce3569d8","parameter":"Chromium (III) (dissolved)","value":"(0.316)e(0.819[lnhardness]+3.7256)","unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16065-83-1","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a coldwater aquatic life use class (class A or B; Chapters 5 and 6)","hardness-dependent: the printed equation of the receiving water's hardness; not evaluated"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.03B1","page":49,"quote":"Chromium (III)  0.316 e0.819[lnhardness]3.7256 a  0.860 e0.819[lnhardness]0.6848 b"}},{"id":"dce4c70df9a7a6cb","parameter":"Chromium (III) (dissolved)","value":"(0.860)e(0.819[lnhardness]+0.6848)","unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16065-83-1","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a coldwater aquatic life use class (class A or B; Chapters 5 and 6)","hardness-dependent: the printed equation of the receiving water's hardness; not evaluated"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.03B1","page":49,"quote":"Chromium (III)  0.316 e0.819[lnhardness]3.7256 a  0.860 e0.819[lnhardness]0.6848 b"}},{"id":"a13f7df22788e358","parameter":"Chromium (III) (dissolved)","value":"(0.316)e(0.819[lnhardness]+3.764)","unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16065-83-1","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a warmwater aquatic life use class (class A or B; Chapters 5 and 6)","hardness-dependent: the printed equation of the receiving water's hardness; not evaluated"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.04B1","page":56,"quote":"Chromium (III)  0.316 e0.819[lnhardness]3.764 a  0.860 e0.819[lnhardness]0.724 b"}},{"id":"1a47d39b63bae267","parameter":"Chromium (III) (dissolved)","value":"(0.860)e(0.819[lnhardness]+0.724)","unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16065-83-1","place":["US-NE"],"conditions":["receiving_water is freshwater","waters assigned a warmwater aquatic life use class (class A or B; Chapters 5 and 6)","hardness-dependent: the printed equation of the receiving water's hardness; not evaluated"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. Code Title 117 Chapter 4, 003.04B1","page":56,"quote":"Chromium (III)  0.316 e0.819[lnhardness]3.764 a  0.860 e0.819[lnhardness]0.724 b"}},{"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 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