{"permit":"TN0081361","name":"Occidental Chemical Corporation","state":"TN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/TN0081361"},"about":[{"label":"What it is","text":"Alkalies And Chlorine (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"New Johnsonville, Tennessee","href":"https://www.openstreetmap.org/?mlat=36.038611&mlon=-87.9775#map=14/36.038611/-87.9775"},{"label":"Last 12 months","text":"Over a limit 7 times, last in August 2026 (pH)"},{"label":"Permit","text":"In force until Dec 31, 2028"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"TN","sic":"28","permits":30,"list":"https://passage-data.com/api/v1/permits?state=TN&sic=28","page":"https://passage-data.com/dmr/s/TN/28"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":7,"over_by":[["pH",7]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"pH","times":7,"find_limits":{"parameter":"ph","place":"US-TN","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-TN&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"monthly average","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly reporting for External Outfall 001 (with annual WET Testing)"},{"outfall":"001","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily 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maximum","qualifier":"<=","value":"1","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly reporting for Internal Outfall 01A"}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"TN","sic":"28"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TN&sic=28","url":"https://passage-data.com/api/v1/permits?state=TN&sic=28","page":"https://passage-data.com/dmr/s/TN/28"},{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"ph","place":"US-TN","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-TN&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-TN&medium=surface_water","page":"https://passage-data.com/limits/US-TN/ph"},{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"TN0081361"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=TN0081361"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"TN0081361"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=TN0081361"}]}