{"query":{"parameter":"endrin aldehyde","place":"US-ND","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-ND","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; 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":5,"offset":0,"returned":5,"next_offset":null,"rows":[{"id":"277ab88c10391dc2","parameter":"Endrin aldehyde","value":"1","value_num":1,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7421-93-4","place":["US-ND"],"conditions":["receiving_water is freshwater","human health: class I, IA and II streams and the classified lakes and reservoirs of appendix II (stream class: appendix I)"],"cite":{"instrument":"us_nd_wqs","title":"North Dakota Standards of Quality for Waters of the State (N.D. Admin. Code ch. 33.1-16-02.1): Table 1 maximum limits by stream class and Table 2 water quality criteria","issuer":"State of North Dakota, Department of Environmental Quality","edition":"N.D. Admin. Code ch. 33.1-16-02.1, effective January 1, 2019, amended January 1, 2024, as US EPA posts it in effect for CWA purposes (EPA approved the 2024 amendments March 4, 2024; the chronic mercury criterion 0.012 µg/L stays in effect after EPA's July 15, 2022 disapproval of 0.88 µg/L)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/ndwqs.pdf","source_sha256":"c16e38155ad97d62102ffd2e2f78f595a0a6304d3ef6fd214f449cce4819a4b4","fetched_at":"2026-10-14","section":"N.D. Admin. Code 33.1-16-02.1-09 Table 2","page":16,"quote":"7421-93-4 Endrin aldehyde 1 1"}},{"id":"b52c916aab12f756","parameter":"Endrin aldehyde","value":"1","value_num":1,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7421-93-4","place":["US-ND"],"conditions":["receiving_water is freshwater","human health: class III streams, and wetlands and class 4 lakes not listed in appendix II (stream class: appendix I; unnamed and intermittent tributaries are class III)"],"cite":{"instrument":"us_nd_wqs","title":"North Dakota Standards of Quality for Waters of the State (N.D. Admin. Code ch. 33.1-16-02.1): Table 1 maximum limits by stream class and Table 2 water quality criteria","issuer":"State of North Dakota, Department of Environmental Quality","edition":"N.D. Admin. Code ch. 33.1-16-02.1, effective January 1, 2019, amended January 1, 2024, as US EPA posts it in effect for CWA purposes (EPA approved the 2024 amendments March 4, 2024; the chronic mercury criterion 0.012 µg/L stays in effect after EPA's July 15, 2022 disapproval of 0.88 µg/L)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/ndwqs.pdf","source_sha256":"c16e38155ad97d62102ffd2e2f78f595a0a6304d3ef6fd214f449cce4819a4b4","fetched_at":"2026-10-14","section":"N.D. Admin. Code 33.1-16-02.1-09 Table 2","page":16,"quote":"7421-93-4 Endrin aldehyde 1 1"}},{"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-ND"},"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-ND"},"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"}]}