{"query":{"parameter":"nitrosamines","place":"US-WY","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-WY","US"],"parameter_keys":["cas:35576-91-1","name:nitrosamines","name:nitrosamines, other"],"names_matched":[["nitrosamines","cas:35576-91-1"],["nitrosamines","name:nitrosamines"],["nitrosamines other","name:nitrosamines, other"]],"match":"exact+contains","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":"3dd858d2adccec7d","parameter":"Nitrosamines","value":"0.0008","value_num":0.0008,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:nitrosamines","place":["US-WY"],"conditions":["receiving_water is freshwater","surface waters of the state designated for drinking water (Chapter 1 Section 17)"],"cite":{"instrument":"us_wy_wqs","title":"Wyoming Water Quality Rules Chapter 1, Wyoming Surface Water Quality Standards: Table 7 aquatic life and Table 9 drinking water and fish consumption values","issuer":"State of Wyoming, Department of Environmental Quality (Water Quality Division)","edition":"Chapter 1 effective August 6, 2025 (Reference Number 020.0011.1.08062025, generated 08/12/2025), as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wy-chapter1.pdf","source_sha256":"19dc9cc2926a62927b89bdaffb154e4a1b247b5135c0cebbfe3754c59c406437","fetched_at":"2026-10-14","section":"Wyoming WQRR Chapter 1 Table 9","page":30,"quote":null}},{"id":"c2648d1ef81da1ee","parameter":"Nitrosamines","value":"1.24","value_num":1.24,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:nitrosamines","place":["US-WY"],"conditions":["receiving_water is freshwater","surface waters of the state designated for fish consumption (Chapter 1 Section 18)"],"cite":{"instrument":"us_wy_wqs","title":"Wyoming Water Quality Rules Chapter 1, Wyoming Surface Water Quality Standards: Table 7 aquatic life and Table 9 drinking water and fish consumption values","issuer":"State of Wyoming, Department of Environmental Quality (Water Quality Division)","edition":"Chapter 1 effective August 6, 2025 (Reference Number 020.0011.1.08062025, generated 08/12/2025), as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wy-chapter1.pdf","source_sha256":"19dc9cc2926a62927b89bdaffb154e4a1b247b5135c0cebbfe3754c59c406437","fetched_at":"2026-10-14","section":"Wyoming WQRR Chapter 1 Table 9","page":30,"quote":null}},{"id":"a35e0297ed7aa639","parameter":"Nitrosamines","value":"0.0008","value_num":0.0008,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"name:nitrosamines","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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or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}