{"query":{"parameter":"chloride","place":"US-MO","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-MO","US"],"parameter_keys":["cas:16887-00-6","cas:7647-14-5"],"names_matched":[["chloride","cas:16887-00-6"],["chloride","cas:7647-14-5"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order","not_searched":{"names":105,"parameters":64,"some":["1 1 3 5 tetramethyl piperidinium chloride","1 1 dichlorethane ethylidene chloride","1 1 dichloroethylene 1 1 dichloroethene vinylidene chloride","1 1 dichloroethylene vinylidene chloride","1 decanaminium n decyl n n dimethyl chloride","1 propanaminium 2 3 dihydroxy n n n trimethyl chloride","2 3 dihydroxy n n n trimethyl 1 propanaminium chloride","2 acryloyloxy ethyl trimethylammonium chloride","2 chlorobenzyl chloride","2 ethyl hexanoyl chloride","2 ethylhexyl chloride","2 propen 1 aminium n564n n dimethyl n propenyl chloride homopolymer","3 chloro 2 hydroxypropyltrimethyl ammonium chloride","3 chloro 2 hydroxypropyltrimethylammonium chloride","4 4 4 trifluoroacetoacetyl chloride","4 chlorobenzyl chloride","5 methylene chloride","acetyl chloride","alkyl dimethyl benzyl ammonium chloride","allyl chloride","aluminum chloride hydroxide","ammonium chloride","benzal chloride","benzoyl chloride","benzoyl chloride 2 methyl"],"says":"105 other names contain \"chloride\" (64 parameters, over the 40 searched at once): ask for one of them by name."}},"total":6,"offset":0,"returned":6,"next_offset":null,"rows":[{"id":"c2c51e86ff782b7e","parameter":"Chloride","value":"860","value_num":860,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16887-00-6","place":["US-MO"],"conditions":["receiving_water is freshwater","waters designated for aquatic life protection (Missouri Use Designation Dataset; Tables G and H)"],"cite":{"instrument":"us_mo_wqs","title":"Missouri 10 CSR 20-7.031 Water Quality Standards: Table A1 criteria for designated uses, Table A2 equations, pH and the chloride-plus-sulfate limit","issuer":"State of Missouri, Clean Water Commission (Department of Natural Resources)","edition":"10 CSR 20-7.010 to 7.050, effective March 8, 2023, as US EPA posts it in effect for CWA purposes (cover July 31, 2023: EPA disapproved Table K's Sni-a-bar Creek dissolved oxygen criteria, the Joplin Turkey Creek zinc variance and some whole-body-contact use removals; no action on the Bolivar variance)","source_url":"https://www.epa.gov/system/files/documents/2023-07/mowqs.pdf","source_sha256":"edc4a64b3e9493d597a1d67fc1d5a3307c70c53cf6f35bfaf252722aba64277d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"10 CSR 20-7.031 (5) Table A1","page":25,"quote":"Chloride (mg/L) 16887006 860"}},{"id":"a40de27fbd640a7c","parameter":"Chloride","value":"230","value_num":230,"unit":"mg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16887-00-6","place":["US-MO"],"conditions":["receiving_water is freshwater","waters designated for aquatic life protection (Missouri Use Designation Dataset; Tables G and H)"],"cite":{"instrument":"us_mo_wqs","title":"Missouri 10 CSR 20-7.031 Water Quality Standards: Table A1 criteria for designated uses, Table A2 equations, pH and the chloride-plus-sulfate limit","issuer":"State of Missouri, Clean Water Commission (Department of Natural Resources)","edition":"10 CSR 20-7.010 to 7.050, effective March 8, 2023, as US EPA posts it in effect for CWA purposes (cover July 31, 2023: EPA disapproved Table K's Sni-a-bar Creek dissolved oxygen criteria, the Joplin Turkey Creek zinc variance and some whole-body-contact use removals; no action on the Bolivar variance)","source_url":"https://www.epa.gov/system/files/documents/2023-07/mowqs.pdf","source_sha256":"edc4a64b3e9493d597a1d67fc1d5a3307c70c53cf6f35bfaf252722aba64277d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"10 CSR 20-7.031 (5) Table A1","page":25,"quote":"Chloride (mg/L) 16887006 860 230"}},{"id":"4f81c4d0f903bbf4","parameter":"Chloride","value":"250","value_num":250,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16887-00-6","place":["US-MO"],"conditions":["receiving_water is freshwater","waters designated for drinking water supply"],"cite":{"instrument":"us_mo_wqs","title":"Missouri 10 CSR 20-7.031 Water Quality Standards: Table A1 criteria for designated uses, Table A2 equations, pH and the chloride-plus-sulfate limit","issuer":"State of Missouri, Clean Water Commission (Department of Natural Resources)","edition":"10 CSR 20-7.010 to 7.050, effective March 8, 2023, as US EPA posts it in effect for CWA purposes (cover July 31, 2023: EPA disapproved Table K's Sni-a-bar Creek dissolved oxygen criteria, the Joplin Turkey Creek zinc variance and some whole-body-contact use removals; no action on the Bolivar variance)","source_url":"https://www.epa.gov/system/files/documents/2023-07/mowqs.pdf","source_sha256":"edc4a64b3e9493d597a1d67fc1d5a3307c70c53cf6f35bfaf252722aba64277d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"10 CSR 20-7.031 (5) Table A1","page":25,"quote":"Chloride (mg/L) 16887006 860 230 250"}},{"id":"b05b51d768cb5142","parameter":"Chloride","value":"860000","value_num":860000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:16887-00-6","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","Freshwater CMC (acute): criterion maximum concentration, acute"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Chloride 16887006 860000 230000 — — 1988"}},{"id":"29842f23a80f2175","parameter":"Chloride","value":"230000","value_num":230000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:16887-00-6","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","Freshwater CCC (chronic): criterion continuous concentration, chronic"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Chloride 16887006 860000 230000 — — 1988"}},{"id":"e89292cc53996141","parameter":"Chloride","value":"250 mg/l","value_num":250,"direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:16887-00-6","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-MO"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chloride\", 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-MO"},"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"}]}