{"query":{"parameter":"endrin aldehyde","place":"US-CA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CA","US"],"parameter_keys":["cas:7421-93-4","name:endrin aldehyde"],"names_matched":[["endrin aldehyde","cas:7421-93-4"],["endrin aldehyde","name:endrin aldehyde"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":5,"offset":0,"returned":5,"next_offset":null,"rows":[{"id":"25069d13082aba1b","parameter":"Endrin Aldehyde","value":"0.76 a","value_num":0.76,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7421-93-4","place":["US-CA"],"conditions":["inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","inland waters or enclosed bays and estuaries that include a MUN (municipal and domestic supply) use designation (40 CFR 131.38(d)(2)(i))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","section":"40 CFR 131.38(b)(1) Table 1","page":20,"quote":"116. Endrin Aldehyde 7421934 0.76 a 0.81 aj","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"c323055344f816a0","parameter":"Endrin Aldehyde","value":"0.81 aj","value_num":0.81,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7421-93-4","place":["US-CA"],"conditions":["inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","inland waters or enclosed bays and estuaries that do not include a MUN use designation (40 CFR 131.38(d)(2)(ii))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","section":"40 CFR 131.38(b)(1) Table 1","page":20,"quote":"116. Endrin Aldehyde 7421934 0.76 a 0.81 aj","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"c78a6150ac57db10","parameter":"Endrin Aldehyde","value":"1","value_num":1,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:7421-93-4","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); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Endrin Aldehyde (P) 7421934 1 1 2015"}},{"id":"48e267f8afe3fca5","parameter":"Endrin Aldehyde","value":"1","value_num":1,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:7421-93-4","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 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); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Endrin Aldehyde (P) 7421934 1 1 2015"}},{"id":"2923346a5320590f","parameter":"Endrin Aldehyde","value":"1","value_num":1,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:7421-93-4","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); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Endrin Aldehyde (P) 7421934 1 1 2015"}}],"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-CA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"endrin aldehyde\", 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-CA"},"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"}]}