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See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Indiana follows the federal rules for release notification, and has established stricter requirements for excess air emissions and hazardous waste discharges. Any malfunction of air emissions control equipment must be reported to the Indiana Department of Environmental Management (IDEM) within 4 hours. The reporting requirements under the Indiana Spill Rule for releases of hazardous substances are in addition to reporting requirements under federal laws and regulations.
In addition to complying with the federal regulations for immediate action and notification of hazardous waste discharges during transportation, Indiana requires notification to state officials.
• Administration and enforcement. The IDEM administers and enforces the state's release notification rules.
Releases to the air over the reportable quantity are not reported to the IDEM under the spill rule, but are reportable to the same spill hotline. When a malfunction of any facility or emission control equipment occurs that lasts more than 1 hour, the malfunction must be reported to the IDEM within 4 daytime business hours after the beginning of such occurrence.