{"permit":"IA0003387","name":"CRYOTECH DEICING TECHNOLOGY","state":"IA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/IA0003387"},"about":[{"label":"What it is","text":"Chemical Preparations (EPA's industry listing)"},{"label":"Where","text":"Fort Madison, Iowa","href":"https://www.openstreetmap.org/?mlat=40.6016&mlon=-91.3934#map=14/40.6016/-91.3934"},{"label":"Last 12 months","text":"Over a limit once, last in January 2026 (Temperature, water deg. fahrenheit)"},{"label":"Permit","text":"In force until Apr 30, 2031"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IA","sic":"28","permits":57,"list":"https://passage-data.com/api/v1/permits?state=IA&sic=28","page":"https://passage-data.com/dmr/s/IA/28"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":1,"over_by":[["Temperature, water deg. fahrenheit",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"upcoming":[{"parameter":"Iron, total [as Fe]","outfall":"001","limit":16.02,"unit":"lb/d","statistic":"30-day average","statistic_code":"3C","begin":"2031-04-01","kind":"new","now":null},{"parameter":"Iron, total [as Fe]","outfall":"001","limit":1.98,"unit":"mg/L","statistic":"30-day average","statistic_code":"3C","begin":"2031-04-01","kind":"new","now":null},{"parameter":"Iron, total [as Fe]","outfall":"001","limit":1.98,"unit":"mg/L","statistic":"daily maximum","statistic_code":"DD","begin":"2031-04-01","kind":"new","now":null},{"parameter":"Iron, total [as Fe]","outfall":"001","limit":16.02,"unit":"lb/d","statistic":"daily maximum","statistic_code":"DD","begin":"2031-04-01","kind":"new","now":null}],"limits":[{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Iron, total [as Fe]","parameter_code":"01045","statistic":"30-day average","qualifier":"<=","value":"4.01","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Iron, total [as Fe]","parameter_code":"01045","statistic":"daily maximum","qualifier":"<=","value":"4.01","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Iron, total [as Fe]","parameter_code":"01045","statistic":"30-day average","qualifier":"<=","value":"12.66","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Iron, total [as Fe]","parameter_code":"01045","statistic":"daily maximum","qualifier":"<=","value":"12.66","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"}],"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":"IA","sic":"28"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IA&sic=28","url":"https://passage-data.com/api/v1/permits?state=IA&sic=28","page":"https://passage-data.com/dmr/s/IA/28"},{"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":"IA0003387"},"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=IA0003387"},{"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":"IA0003387"},"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=IA0003387"}]}