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Coherent Corp.: OSHA inspections and violations

Saxonburg, Pennsylvania · Optical Instrument and Lens Manufacturing · NAICS 333314

1inspections
3citation items
$18,916current penalties
Mar 27, 2025last inspection

OSHA has inspected Coherent Corp. once in Pennsylvania.

The inspection began on Mar 27, 2025 after a complaint, in Saxonburg.

That inspection ended with 3 citation items: 3 other-than-serious.

Penalties were first proposed at $23,646 and now stand at $18,916, 20% lower after settlements or reviews.

How that compares: the median penalty per cited inspection for manufacturing employers since 2015 is $3,600, and Coherent Corp. averages $18,916 (1 cited inspection).

Coherent Corp. also files yearly injury logs with OSHA, summarized below.

Coherent Corp.: OSHA citation items per year, 2025 to 2025
Citation items per year, by inspection date.

Pennsylvania · latest 90 days of OSHA records

299employers cited

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Inspection history

Inspection 348140856 OPENED MAR 27, 2025Closed

Complaint · Partial · Health · 420 employees at the site · Closed Feb 9, 2026

375 Saxonburg Boulevard, Saxonburg, PA 16056 · Optical Instrument and Lens Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1a
29 CFR 1910.1000(a)(2) · Air contaminants
 Other-than-serious$11,823$9,458Jun 11, 2025Final
Citation 1, item 1c
29 CFR 1910.134(a)(2) · Respiratory protection
 Other-than-serious$0$0Jun 11, 2025Final
Citation 1, item 2a
29 CFR 1910.1018(e)(2) · Inorganic arsenic
 Other-than-serious$11,823$9,458Jun 11, 2025Final

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 Saxonburg site logged 5 recordable injuries or illnesses among about 415 workers: 1.2 per 100 full-time workers, against a median of 1.3 for its industry. Those cases cost 44 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
Coherent Corp.
Saxonburg · 2025
415 511.21.3

The rules behind these citations

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

29 CFR 1910.1000 · Air contaminants

29 CFR 1910.1000(a)(2)

(2) Other substances—8-hour Time Weighted Averages. An employee's exposure to any substance in Table Z-1, the exposure limit of which is not preceded by a “C”, shall not exceed the 8-hour Time Weighted Average given for that substance in any 8-hour work shift of a 40-hour work week.

29 CFR 1910.1018 · Inorganic arsenic

29 CFR 1910.1018(e)(2)

(2) Initial monitoring. Each employer who has a workplace or work operation covered by this standard shall monitor each such workplace and work operation to accurately determine the airborne concentration of inorganic arsenic to which employees may be exposed.

29 CFR 1910.134 · Respiratory protection

29 CFR 1910.134(a)(2)

(2) The CNP system defaults selected for test pressure shall be set at −15 mm of water (-0.58 inches of water) and the modeled inspiratory flow rate shall be 53.8 liters per minute for performing fit tests.

Other optical instrument and lens manufacturing employers in Pennsylvania

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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.