On October 8, 2020, NPDES Enforcement finalized an administrative order on consent (AOC) with Tolmar to resolve the facility?s violations of the pretreatment regulations.
On April 14, 2020, NPDES Enforcement sent a Letter of Violation (LOV) to Tolmar outlining the facility?s violations.
Violations cited in the AOC and outlined in the LOV were identified during an EPA inspection conducted 12/13/2019 and include the following:
? Exceedances of the facility?s acetone monthly average limit of 8.2 milligrams per liter (mg/L); and
? Failure to notify and resample within 24 hours of becoming aware of acetone exceedances.
Tolmar is a pharmaceutical manufacturer of dermatological and injectable products. Wastewater discharges from Tolmar to the City of Windsor?s collection and treatment system are subject to New Source Pretreatment Standards (NSPS) for Pharmaceutical Manufacturing in 40 C.F.R. ? 439.47.
EPA directly implements the pretreatment regulations in Colorado and serves as the control authority for Tolmar because Windsor does not have an approved pretreatment program.
The AOC requires Tolmar to submit to the EPA a comprehensive written plan and schedule for achieving compliance with the monthly average acetone limitation.
The AOC also requires Tolmar to submit quarterly reports to the EPA describing the actions it has taken to comply with the terms of the AOC. These reports should include, at a minimum, a detailed update on the progress of the compliance plan, includin