{"query":{"parameter":"dibenz a h anthracene","place":"US-MO","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-MO","US"],"parameter_keys":["cas:53-70-3","name:dibenz[a h]anthracene"],"names_matched":[["dibenz a h anthracene","cas:53-70-3"],["dibenz a h anthracene","name:dibenz[a h]anthracene"]],"match":"exact","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":9,"offset":0,"returned":9,"next_offset":null,"rows":[{"id":"2977182ce3cbcf81","parameter":"Dibenzo(a,h)anthracene","value":"0.049","value_num":0.049,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:53-70-3","place":["US-MO"],"conditions":["receiving_water is freshwater","waters designated for human health protection (fish consumption)"],"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; 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SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"ffa4b91c1215fb2f","parameter":"~Dibenz[a,h]anthracene","value":"0.025","value_num":0.025,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:53-70-3","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"6953895fbbcd9b96","parameter":"Dibenzo(a,h)anthracene","value":"0.00013","value_num":0.00013,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:53-70-3","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 marine","consumption of organism only: a water designated for fish and shellfish taken from it, not a drinking-water source (fresh or salt)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); 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or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}