File Permit Number MO-R23D000 Effective Date Tue, 05/10/2022 - 12:00 Expiration Date Sun, 05/09/2027 - 12:00 Description SIC #2821, 2822, 2823, 2824, 2531, 30xx and 5093Stormwater discharges associated with plastics and rubber manufacturing, molding and recycling industries.