{"query":{"parameter":"chloride","place":"US-WV","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-WV","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":9,"offset":0,"returned":9,"next_offset":null,"rows":[{"id":"a47af1c3c04822e0","parameter":"Chloride","value":"860,000","value_num":860000,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16887-00-6","place":["US-WV"],"conditions":["receiving_water is freshwater","Category B1 (warm water fishery streams) and B4 (wetlands) waters (47CSR2 §6.3)"],"cite":{"instrument":"us_wv_wqs","title":"West Virginia 47CSR2 Requirements Governing Water Quality Standards: Appendix E Table 1 criteria by use category (aquatic life B1/B4 and B2 acute/chronic; human health C and A; all other uses)","issuer":"State of West Virginia, Department of Environmental Protection, Division of Water and Waste Management","edition":"the rule effective July 1, 2026 (authorized by SB256, passed 2/23/2026; Secretary of State final filing 3/4/2026). 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