Inspection 347990020 OPENED JAN 21, 2025Closed
921 Main Street, Monroe, CT 06468 · Semiconductor Machinery Manufacturing · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
Since 2017, OSHA inspectors have visited Coherent, Inc. in Connecticut 5 times.
The most recent inspection opened on Jan 21, 2025 after a complaint, in Monroe.
In all, OSHA issued 19 citation items: 11 serious, 2 repeat and 6 other-than-serious.
The proposed penalties came to $81,084; today they stand at $67,666, 17% less.
The rule cited most here is 1910.303 (electrical equipment, general requirements), 3 times.
Among manufacturing employers, the typical cited inspection since 2015 ends with a $3,600 penalty. Coherent, Inc. averages $22,555 across 3 cited inspections.
Coherent, Inc. also files yearly injury logs with OSHA, summarized below.
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Watch this companyInspection history
Inspection 347055725 OPENED OCT 24, 2023Closed
31 Pecks Lane, Newtown, CT 06470 · Semiconductor Machinery Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.212(a)(1) · Machine guarding |
Other-than-serious | $8,929 | $6,250 | Nov 27, 2023 | Final |
| Citation 1, item 2 29 CFR 1910.242(b) · Hand and power tools |
Other-than-serious | $6,696 | $4,687 | Nov 27, 2023 | Final |
| Citation 2, item 1 29 CFR 1910.147(c)(6)(i) · Lockout/tagout |
Repeat | $446 | $312 | Nov 27, 2023 | Final |
Inspection 345728489 OPENED JAN 13, 2022Closed
1280 Blue Hills Avenue, Bloomfield, CT 06002 · Machine Tool Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.304(b)(4)(ii)(b) · Grounding and circuit protection |
Serious | $5,283 | $5,283 | Mar 11, 2022 | Final |
| Citation 2, item 1 29 CFR 1910.303(g)(1) · Electrical equipment, general requirements |
Repeat | $31,075 | $31,075 | Mar 11, 2022 | Final |
| Citation 3, item 1 29 CFR 1910.147(c)(6)(i) · Lockout/tagout |
Other-than-serious | $0 | $0 | Mar 11, 2022 | Final |
Inspection 345703102 OPENED DEC 14, 2021Closed
1280 Blue Hills Avenue, Bloomfield, CT 06002 · Machine Tool Manufacturing · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
Inspection 342361466 OPENED MAY 31, 2017Closed
1280 Blue Hills Avenue, Bloomfield, CT 06002 · Machine Tool Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1a 29 CFR 1910.132(d)(1) · Personal protective equipment, general requirements |
Serious | $5,432 | $3,802 | Jun 28, 2017 | Final |
| Citation 1, item 1b 29 CFR 1910.133(a)(1) · Eye and face protection |
Serious | $0 | $0 | Jun 28, 2017 | Final |
| Citation 1, item 1c 29 CFR 1910.151(c) · First aid and eyewash |
Serious | $0 | $0 | Jun 28, 2017 | Final |
| Citation 1, item 2 29 CFR 1910.147(c)(4)(i) · Lockout/tagout |
Serious | $4,074 | $2,852 | Jun 28, 2017 | Final |
| Citation 1, item 3a 29 CFR 1910.215(a)(4) · Grinders and abrasive wheels |
Serious | $5,432 | $3,802 | Jun 28, 2017 | Final |
| Citation 1, item 3b 29 CFR 1910.215(b)(9) · Grinders and abrasive wheels |
Serious | $0 | $0 | Jun 28, 2017 | Final |
| Citation 1, item 4 29 CFR 1910.242(b) · Hand and power tools |
Serious | $3,463 | $2,424 | Jun 28, 2017 | Final |
| Citation 1, item 5a 29 CFR 1910.303(b)(7)(i) · Electrical equipment, general requirements |
Serious | $3,463 | $2,424 | Jun 28, 2017 | Final |
| Citation 1, item 5b 29 CFR 1910.303(g)(1) · Electrical equipment, general requirements |
Serious | $0 | $0 | Jun 28, 2017 | Final |
| Citation 1, item 6 29 CFR 1910.335(a)(1)(i) · Safeguards for personnel protection |
Serious | $6,791 | $4,754 | Jun 28, 2017 | Final |
| Citation 2, item 1 29 CFR 1910.219(e)(1)(i) · Belts, pulleys and power-transmission parts |
Other-than-serious | $0 | $0 | Jun 28, 2017 | Final |
| Citation 2, item 2 29 CFR 1910.305(g)(1)(iv)(a) · Electrical wiring methods |
Other-than-serious | $0 | $0 | Jun 28, 2017 | Final |
| Citation 2, item 3 29 CFR 1910.1200(h)(3)(iv) · Hazard communication |
Other-than-serious | $0 | $0 | Jun 28, 2017 | Final |
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 Bloomfield site logged 1 recordable injury or illness among about 202 workers: 0.5 per 100 full-time workers, against a median of 0.3 for its industry.
| Site and year | Workers | Cases | Days-away cases | Rate | Industry median |
|---|---|---|---|---|---|
| Coherent Bloomfield Bloomfield · 2025 | 202 | 1 | 0 | 0.5 | 0.3 |
| Coherent, Inc - Bloomfield Bloomfield · 2025 | 41 | 0 | 0 | 0.0 | 0.3 |
| Coherent Corp Bloomfield · 2024 | 136 | 1 | 1 | 0.8 | 0.3 |
| Coherent, Inc. Bloomfield · 2022 | 233 | 2 | 0 | 1.3 | 0.3 |
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(h)(3)(iv)
(iv) The details of the hazard communication program developed by the employer, including an explanation of the labels received on shipped containers and the workplace labeling system used by their employer; the safety data sheet, including the order of information and how employees can obtain and use the appropriate hazard information.
29 CFR 1910.132 · Personal protective equipment, general requirements
29 CFR 1910.132(d)(1)
(d) Hazard assessment and equipment selection. (1) The employer shall assess the workplace to determine if hazards are present, or are likely to be present, which necessitate the use of personal protective equipment (PPE). If such hazards are present, or likely to be present, the employer shall:
29 CFR 1910.133 · Eye and face protection
29 CFR 1910.133(a)(1)
(a) General requirements. (1) The employer shall ensure that each affected employee uses appropriate eye or face protection when exposed to eye or face hazards from flying particles, molten metal, liquid chemicals, acids or caustic liquids, chemical gases or vapors, or potentially injurious light radiation.
29 CFR 1910.147 · Lockout/tagout
29 CFR 1910.151 · First aid and eyewash
29 CFR 1910.212 · Machine guarding
29 CFR 1910.215 · Grinders and abrasive wheels
29 CFR 1910.219 · Belts, pulleys and power-transmission parts
29 CFR 1910.242 · Hand and power tools
29 CFR 1910.303 · Electrical equipment, general requirements
29 CFR 1910.304 · Grounding and circuit protection
29 CFR 1910.305 · Electrical wiring methods
29 CFR 1910.335 · Safeguards for personnel protection
Other machine tool manufacturing employers in Connecticut
- Companion Industries Inc. Southington · 42 citations · $20,004
- EB Manufacturing Company, Inc. Middletown · 5 citations · $2,010
- Powerhold Inc. Middlefield · 3 citations · $4,501
- Trumpf Inc. Farmington · 17 citations · $32,904
- Moon Cutter Company, Inc. Hamden · 9 citations · $8,181
- Koma Precision, Inc. East Windsor · 8 citations · $10,122
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.