Clean Air Act stationary source · ICIS-AIR MO0000002907100157

PLZ CORP - ST. CLAIR, Saint Clair, MO: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
Violation w/in 1 YearCurrent violation status, as filed
8Compliance evaluations since January 1, 2017
1High-priority violations since January 1, 2017
1Formal enforcement actions since January 1, 2017

PLZ CORP - ST. CLAIR, at 105 BOLTE LANE, Saint Clair in Franklin County, Missouri, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “Violation w/in 1 Year”. Franklin County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filed	PLZ CORP - ST. CLAIR
ICIS-AIR ID	MO0000002907100157
EPA facility registry ID	110017984582
Operating status	Operating
Emissions classification	Major source
Current violation status (ICIS-AIR high-priority violation field)	Violation w/in 1 Year
Address	105 BOLTE LANE, Saint Clair, MO 63077
County	Franklin County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Chemical manufacturing (NAICS 3259)
SIC code	7389
EPA region	07

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs PLZ CORP - ST. CLAIR is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

8Evaluations since January 1, 2017
8Full compliance evaluations

Date	What EPA recorded	Agency	Programs
March 4, 2026	FCE On-Site	State	MACT Standards (40 CFR Part 63); New Source Review Permit Requirements; State or Local rule or regulation that is not federally-enforceable; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 22, 2024	FCE On-Site	U.S. EPA	National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61)
August 3, 2023	FCE On-Site	State	MACT Standards (40 CFR Part 63); New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 4, 2022	FCE On-Site	State	MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 4, 2020	FCE On-Site	State	MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
December 5, 2018	FCE On-Site	State	MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 31, 2018	FCE On-Site	State	MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 31, 2017	FCE On-Site	State	MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

Violations

5Violation determinations since January 1, 2017
1Of them high-priority

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

Date	What EPA recorded	Agency	Programs
March 18, 2026	Earliest FRV determination	State	Title V Permits
January 4, 2024	Earliest FRV determination	State	Title V Permits
August 23, 2023	Earliest FRV determination	State	MACT Standards (40 CFR Part 63); New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 25, 2022	HPV day-zero determination	State	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
November 12, 2020	Earliest FRV determination	State	Title V Permits

Enforcement and penalties

1 formal enforcement actions since January 1, 2017, 1 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Date	What EPA recorded	Agency	Penalty, as filed
December 30, 2022	Administrative Order	State	$3,680

Informal enforcement

Date	What EPA recorded	Agency
March 18, 2026	State/local Action	State
March 13, 2024	Warning Letter	State
August 23, 2023	Warning Letter	State
May 25, 2022	Notice of Violation	State
November 12, 2020	Warning Letter	State

Stack tests

0Stack tests since January 1, 2017
0Recorded as failed

EPA’s stack test file holds no test at ICIS-AIR MO0000002907100157 since January 1, 2017.

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110017984582 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

This page covers the Clean Air Act compliance record for PLZ CORP - ST. CLAIR, a stationary source on EPA's ICIS-AIR register, listing operating status Operating and emissions classification Major source. It lists Violation w/in 1 Year as the current violation status, with 8 Compliance evaluations, 1 High-priority violations and 1 Formal enforcement actions since January 1, 2017. The facility is at 105 BOLTE LANE in Saint Clair in Franklin County, MO, and Franklin County is on EPA's Green Book list of areas that do not meet a national air quality standard.