Non-Compliance RCRA

ZOLTEK CORP

Quick Summary

•Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
•Assessed $0 in total penalties since records began.

Address: 27 GUENTHER BLVD
ST PETERS, MO 63376
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County: ST CHARLES County
Industry: Manufacturing
NAICS (North American Industry Classification): 335991
Inspections: 2 · last Oct 1, 2025
Total Penalties: $0
Registry ID: 110046238683

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

Hazardous Waste (RCRA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
rcra	Standards Applicable to Generators of HW: General	Oct 1, 2025	—	Open
rcra	State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements	Oct 1, 2025	—	Open
rcra	Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention	Jan 18, 2022	Feb 28, 2022	Resolved
rcra	Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators	Jan 18, 2022	Feb 28, 2022	Resolved
rcra	Standards Applicable to Generators of HW: General	Jan 18, 2022	Feb 28, 2022	Resolved
rcra	State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements	Jan 18, 2022	Feb 28, 2022	Resolved
rcra	State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements	Aug 27, 2018	Nov 13, 2018	Resolved
rcra	Standards for Universal Waste Management: Standards for Small Quantity Handlers	Aug 27, 2018	Nov 13, 2018	Resolved
rcra	Standards Applicable to Generators of HW: General	Aug 27, 2018	Aug 30, 2018	Resolved
rcra	Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators	Aug 27, 2018	Nov 13, 2018	Resolved
rcra	State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements	Apr 15, 2015	Jul 14, 2015	Resolved
rcra	Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators	Apr 15, 2015	Jul 14, 2015	Resolved

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

LETTER OF WARNING

RCRA (Hazardous Waste) · Case RCRA-MOD985820620-2 · Jan 27, 2022

LETTER OF WARNING

RCRA (Hazardous Waste) · Case RCRA-MOD985820620-000 · May 11, 2015