OSHA SearchOSHA records by employer

Metallurgical Processing LLC: OSHA inspections and violations

Warren, Michigan · Metal Heat Treating · NAICS 332811

5inspections
19citation items
$1,395current penalties
Mar 26, 2025last inspection

Since 1991, OSHA inspectors have visited Metallurgical Processing LLC in Michigan 5 times.

The most recent inspection opened on Mar 26, 2025 after a complaint, in Warren.

In all, OSHA issued 19 citation items: 4 serious and 15 other-than-serious.

The proposed penalties came to $2,450; today they stand at $1,395, 43% less.

The rule cited most here is 1910.1200 (hazard communication), 2 times.

Among manufacturing employers, the typical cited inspection since 2015 ends with a $3,600 penalty. Metallurgical Processing LLC averages $575 across 2 cited inspections.

Metallurgical Processing LLC also files yearly injury logs with OSHA, summarized below.

Metallurgical Processing LLC: OSHA citation items per year, 1991 to 2025
Citation items per year, by inspection date.

Want to know if OSHA cites Metallurgical Processing LLC again? Add it to a watchlist and we will email you the morning the citation shows up.

Watch this company

Inspection history

Inspection 348135179 OPENED MAR 26, 2025Closed

Complaint · Partial · Health · 38 employees at the site · Closed Jun 10, 2025

23075 Warner Ave, Warren, MI 48091 · Metal Heat Treating · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.134(c)(2) · Respiratory protection
Serious$1,500$750May 13, 2025Final

Inspection 346747355 OPENED JUN 5, 2023Closed

Complaint · Partial · Health · 30 employees at the site · Closed Aug 16, 2023

23075 Warner Ave, Warren, MI 48091 · Metal Heat Treating · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 408.22129(1)
Other-than-serious$400$400Aug 1, 2023Final
Citation 1, item 2
29 CFR 408.1014J
Other-than-serious$0$0Aug 1, 2023Final

Inspection 340055185 OPENED DEC 2, 2015Closed

Unprogrammed other · Partial · Safety · 25 employees at the site · Closed Dec 7, 2015

23075 Warner Ave, Warren, MI 48091 · Metal Heat Treating · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 312078611 OPENED AUG 24, 2010Closed

Planned · Complete · Health · 25 employees at the site · Closed Apr 15, 2011

23075 Warner Ave, Warren, MI 48091 · Metal Heat Treating · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1 Serious$250$125Oct 28, 2010Closed
Citation 1, item 2 Serious$150$60Oct 28, 2010Closed
Citation 1, item 3 Serious$150$60Oct 28, 2010Closed

Inspection 110821907 OPENED MAR 18, 1991Closed

Planned · Complete · Safety · 22 employees at the site · Closed May 9, 1991

2703 9 Mile, Warren, MI 48091 · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 2 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 3 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 4 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 5 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 6 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 7 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 8 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 9 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 10 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 11 Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 12
29 CFR 1910.1200(e)(1) · Hazard communication
Other-than-serious$0$0Apr 18, 1991Closed
Citation 1, item 13
29 CFR 1910.1200(g)(1) · Hazard communication
Other-than-serious$0$0Apr 18, 1991Closed

Injury and illness logs

From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.

In 2025, the Warren site logged 2 recordable injuries or illnesses among about 41 workers: 4.2 per 100 full-time workers, against a median of 3.2 for its industry. Those cases cost 2 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
MPC
Warren · 2025
41 214.23.2

The rules behind these citations

Current text from the Code of Federal Regulations. Some citations were issued under older wording.

29 CFR 1910.1200 · Hazard communication

29 CFR 1910.1200(e)(1)

(e) Written hazard communication program. (1) Employers shall develop, implement, and maintain at each workplace, a written hazard communication program which at least describes how the criteria specified in paragraphs (f), (g), and (h) of this section for labels and other forms of warning, safety data sheets, and employee information and training will be met, and which also includes the following:

29 CFR 1910.1200(g)(1)

(g) Safety data sheets. (1) Chemical manufacturers and importers shall obtain or develop a safety data sheet for each hazardous chemical they produce or import. Employers shall have a safety data sheet in the workplace for each hazardous chemical which they use.

29 CFR 1910.134 · Respiratory protection

29 CFR 1910.134(c)(2)

(2) A record of the test shall be kept on file, assuming the fit test was successful. The record must contain the test subject's name; overall fit factor; make, model, style and size of respirator used; and date tested.

29 CFR 1910.309

29 CFR 3090.250

29 CFR 3255.2133

29 CFR 3256.107

29 CFR 4080.1014

29 CFR 4081.1222

29 CFR 4081.1223

29 CFR 4081.125

29 CFR 4081.15

29 CFR 4081.2131

29 CFR 4081.2176

29 CFR 4081.2616

29 CFR 4081.3811

29 CFR 4081.4923

Other metal heat treating employers in Michigan

Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.