{"query":{"parameter":"n nitrosodiethylamine","place":"US-HI","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-HI","US"],"parameter_keys":["cas:55-18-5","name:n−nitrosodiethylamine"],"names_matched":[["n nitrosodiethylamine","cas:55-18-5"],["n nitrosodiethylamine","name:n−nitrosodiethylamine"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":8,"offset":0,"returned":8,"next_offset":null,"rows":[{"id":"482d1523751f6850","parameter":"Nitrosodiethylamine","value":"1.24","value_num":1.24,"unit":"µg/L","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:55-18-5","place":["US-HI"],"conditions":["all state waters, fresh and salt (HAR §11-54-4(b)(2)(C))"],"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","section":"HAR 11-54 Appendix E","page":103,"quote":null}},{"id":"755bdf0a589e291c","parameter":"Nitrosodiethylamine","value":"0.0008","value_num":0.0008,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:55-18-5","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","consumption of water + organism: a water designated a drinking-water source and for fish and shellfish (a designated use the state assigns)"],"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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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":"ea0f6ee0ac7dcfe0","parameter":"Nitrosodiethylamine, N-","value":"0.00017","value_num":0.00017,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:55-18-5","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"}}],"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: \"n nitrosodiethylamine\", 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"}]}