{"permit":"TN0002631","name":"Cardinal FG Company","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/TN0002631"},"about":[{"label":"What it is","text":"Flat Glass (EPA's industry listing)"},{"label":"Where","text":"Church Hill, Tennessee","href":"https://www.openstreetmap.org/?mlat=36.49587&mlon=-82.778173#map=14/36.49587/-82.778173"},{"label":"Last 12 months","text":"Over a limit 2 times, last in October 2025 (Chlorine, total residual)"},{"label":"Permit","text":"In force until Sep 30, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"TN","sic":"32","permits":7,"list":"https://passage-data.com/api/v1/permits?state=TN&sic=32","page":"https://passage-data.com/dmr/s/TN/32"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":2,"over_by":[["Chlorine, total residual",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Chlorine, total residual","times":2,"find_limits":{"parameter":"chlorine","place":"US-TN","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=chlorine&place=US-TN&medium=surface_water"}],"limits":[{"outfall":"002","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":">=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly reporting for Internal Outfall 001"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. 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Outfall 004"},{"outfall":"004","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".019","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Outfall 004"},{"outfall":"004","parameter":"Oil and grease visual","parameter_code":"84066","statistic":"value","qualifier":null,"value":null,"unit":"N=0;Y=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Outfall 004"},{"outfall":"005","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Internal Outfall 005"},{"outfall":"005","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Internal Outfall 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01A"},{"outfall":"01A","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Internal Outfall 01A"},{"outfall":"01A","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"33.48","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Internal Outfall 01A"},{"outfall":"01A","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"50.45","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Internal Outfall 01A"},{"outfall":"01A","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly 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thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly Reporting for Internal Outfall 01A"},{"outfall":"01A","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"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":"32"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TN&sic=32","url":"https://passage-data.com/api/v1/permits?state=TN&sic=32","page":"https://passage-data.com/dmr/s/TN/32"},{"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":"chlorine","place":"US-TN","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=chlorine&place=US-TN&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=chlorine&place=US-TN&medium=surface_water","page":"https://passage-data.com/limits/US-TN/chlorine"},{"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":"TN0002631"},"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=TN0002631"},{"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":"TN0002631"},"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=TN0002631"}]}