{"permit":"MS0062804","name":"Aluminum Dynamics, LLC","state":"MS","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MS0062804"},"about":[{"label":"What it is","text":"Aluminum Sheet, Plate, And Foil (EPA's industry listing)"},{"label":"Where","text":"Columbus, Mississippi","href":"https://www.openstreetmap.org/?mlat=33.447778&mlon=-88.606667#map=14/33.447778/-88.606667"},{"label":"Last 12 months","text":"Over a limit once, last in February 2026 (Solids, total suspended)"},{"label":"Permit","text":"In force until Apr 30, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"MS","sic":"33","permits":4,"list":"https://passage-data.com/api/v1/permits?state=MS&sic=33","page":"https://passage-data.com/dmr/s/MS/33"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Solids, total suspended",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Solids, 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