{"query":{"parameter":"chlorpyrifos","place":"US-HI","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-HI","US"],"parameter_keys":["cas:2921-88-2","cas:5598-13-0"],"names_matched":[["chlorpyrifos","cas:2921-88-2"],["chlorpyrifos methyl","cas:5598-13-0"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":4,"names":["Chlorpyrifos Methyl"],"says":"4 rows share a parameter key with a longer name holding \"chlorpyrifos\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"chlorpyrifos\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":12,"offset":0,"returned":12,"next_offset":null,"rows":[{"id":"6a012017026cfa93","parameter":"Chlorpyrifos","value":"0.083","value_num":0.083,"unit":"µg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:2921-88-2","place":["US-HI"],"conditions":["receiving_water is freshwater","freshwater standards: where the dissolved inorganic ion concentration is less than 0.5 parts per thousand (HAR 11-54 Appendix E)"],"cite":{"instrument":"us_hi_wqs","title":"Hawaii Administrative Rules Chapter 11-54 Water Quality Standards, Appendix E: numeric standards for toxic pollutants applicable to all waters (freshwater and saltwater acute/chronic, fish consumption)","issuer":"State of Hawaii, Department of Health (Clean Water Branch)","edition":"HAR 11-54 as amended and compiled October 22, 2021 (Appendix E added), the Department of Health's unofficial born-digital copy (May 2022); the official compilation as US EPA posts it in effect for CWA purposes is an OCR'd scan, held beside it as the check","source_url":"https://health.hawaii.gov/cwb/files/2022/05/UNOFFICIAL-COPY-HAR-11-54.pdf","source_sha256":"e748d157326f5445b0d1624b445acfd5d2deab346e3155d11de1dd2d9417a51a","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"HAR 11-54 Appendix E","page":98,"quote":null}},{"id":"d77c411a36d97994","parameter":"Chlorpyrifos","value":"0.041","value_num":0.041,"unit":"µg/L","statistic":"daily_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:2921-88-2","place":["US-HI"],"conditions":["receiving_water is freshwater","freshwater standards: where the dissolved inorganic ion concentration is less than 0.5 parts per thousand (HAR 11-54 Appendix E)"],"cite":{"instrument":"us_hi_wqs","title":"Hawaii Administrative Rules Chapter 11-54 Water Quality Standards, Appendix E: numeric standards for toxic pollutants applicable to all waters (freshwater and saltwater acute/chronic, fish consumption)","issuer":"State of Hawaii, Department of Health (Clean Water Branch)","edition":"HAR 11-54 as amended and compiled October 22, 2021 (Appendix E added), the Department of Health's unofficial born-digital copy (May 2022); 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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":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Chlorpyrifos 2921882 0.083 0.041 0.011 0.0056 1986"}},{"id":"fcce0faa80670cff","parameter":"Chlorpyrifos","value":"0.041","value_num":0.041,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:2921-88-2","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":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Chlorpyrifos 2921882 0.083 0.041 0.011 0.0056 1986"}},{"id":"0e839d7cf1ee86db","parameter":"Chlorpyrifos","value":"0.011","value_num":0.011,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:2921-88-2","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","Saltwater 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":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Chlorpyrifos 2921882 0.083 0.041 0.011 0.0056 1986"}},{"id":"f62200eabd82589c","parameter":"Chlorpyrifos","value":"0.0056","value_num":0.0056,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:2921-88-2","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","Saltwater 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); 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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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"ad32294afe8a32b6","parameter":"Chlorpyrifos","value":"8.4","value_num":8.4,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:2921-88-2","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}}],"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-HI"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chlorpyrifos\", 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-HI"},"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"}]}