{"query":{"parameter":"chloride","place":"US-NH","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NH","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":5,"offset":0,"returned":5,"next_offset":null,"rows":[{"id":"86f4eb4ca888a4f4","parameter":"Chlorides","value":"860,000","value_num":860000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16887-00-6","place":["US-NH"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; human health), and class dissolved oxygen and pH","issuer":"State of New Hampshire, Department of Environmental Services","edition":"Env-Wq 1700 effective December 13, 2022 as US EPA posts it in effect for CWA purposes (cover page April 6, 2023), with the human health columns from the February 13, 2015 rule EPA also posts (its 2022 revisions still under EPA review); the state re-adopted Env-Wq 1700 effective 2-26-25 (#14203), not what EPA posts","source_url":"https://www.epa.gov/system/files/documents/2023-04/wqs-nh-chapter1700-2022.pdf","source_sha256":"6749401e33fb746b1a37e31e356dbaa9ccff1f936edc9cd3948b1bae47c796f2","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Env-Wq 1703.21 Table 1703-1","page":19,"quote":null}},{"id":"1280bbe7a5677913","parameter":"Chlorides","value":"230,000","value_num":230000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16887-00-6","place":["US-NH"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_nh_wqs","title":"New Hampshire Env-Wq 1700 Surface Water Quality Regulations: Table 1703-1 water quality criteria for toxic substances (fresh and marine acute/chronic aquatic life; human health), and class dissolved oxygen and pH","issuer":"State of New Hampshire, Department of Environmental Services","edition":"Env-Wq 1700 effective December 13, 2022 as US EPA posts it in effect for CWA purposes (cover page April 6, 2023), with the human health columns from the February 13, 2015 rule EPA also posts (its 2022 revisions still under EPA review); the state re-adopted Env-Wq 1700 effective 2-26-25 (#14203), not what EPA posts","source_url":"https://www.epa.gov/system/files/documents/2023-04/wqs-nh-chapter1700-2022.pdf","source_sha256":"6749401e33fb746b1a37e31e356dbaa9ccff1f936edc9cd3948b1bae47c796f2","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Env-Wq 1703.21 Table 1703-1","page":19,"quote":null}},{"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-NH"},"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-NH"},"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"}]}