Inspection 348187568 OPENED APR 17, 2025Closed
7809 Lincoln Avenue, Riverside, CA 92504 · Other Basic Inorganic Chemical Manufacturing · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
OSHA has inspected Carpenter Co 8 times in California since 1998.
The latest one began on Apr 17, 2025 as a planned inspection, in Riverside.
Those inspections ended with 11 citation items: 5 serious and 6 other-than-serious.
Penalties were first proposed at $73,310 and now stand at $44,850, 39% lower after settlements or reviews.
How that compares: the median penalty per cited inspection for manufacturing employers since 2015 is $4,500, and Carpenter Co averages $28,350 (1 cited inspection).
Carpenter Co also files yearly injury logs with OSHA, summarized below.
Want to know if OSHA cites Carpenter Co again? Add it to a watchlist and we will email you the morning the citation shows up.
Watch this companyInspection history
Inspection 342713112 OPENED OCT 18, 2017Closed
7809 Lincoln Ave,., Riverside, CA 92504 · Polystyrene Foam Product Manufacturing · OSHA's record · Phone and website on Google Maps
Incident on Oct 5, 2017: Employee catches fingers in chain and sprocket nip point and
At 11:00 a.m. on October 5, 2017, an employee was attempting to re-engage a chain to a proximity switch to restart the Loop Splitter machine #1. The employee caught his fingers between an unguarded chain and sprocket when the log splitter started and amputated several fingers. The initial report did not specify which fingers or what hands.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3203(A) |
Other-than-serious | $5,060 | $900 | Feb 20, 2018 | Final |
| Citation 2, item 1 29 CFR 3314(L) |
Serious | $6,750 | $2,700 | Feb 20, 2018 | Final |
| Citation 3, item 1 29 CFR 3314(C) |
Serious | $22,500 | $22,500 | Feb 20, 2018 | Final |
| Citation 4, item 1 29 CFR 4075(A) |
Serious | $22,500 | $2,250 | Feb 20, 2018 | Final |
Inspection 125845446 OPENED MAY 30, 2001Closed
17100 S Harlan Rd, Lathrop, CA 95330 · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3203 A01 |
Other-than-serious | $160 | $160 | Jun 5, 2001 | Closed |
Inspection 119948461 OPENED APR 18, 2000Closed
7809 Lincoln Avenue, Riverside, CA 92513 · OSHA's record · Phone and website on Google Maps
Incident on Jan 21, 2000: Employee injured when thumb amputated by slitter blade
On January 21, 2000, Employee #1 sustained a partial amputation of the left thum b and ring finger and a severe laceration to the left arm when they came in cont act with a slitter blade on Loop Slitter Number 1. Employee #1 lost his footing while working off a grated platform and fell into contact with the slitter blade . Employee #1 was hospitalized.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 4002 A |
Serious | $13,500 | $13,500 | Jul 13, 2000 | Final |
Inspection 125842617 OPENED MAR 3, 2000Closed
17100 S. Harlan Road, Lathrop, CA 95330 · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3203 B02 |
Other-than-serious | $225 | $225 | May 23, 2000 | Closed |
Inspection 125838425 OPENED JUN 28, 1999Closed
17100 S. Harlan Road, Lathrop, CA 95330 · OSHA's record · Phone and website on Google Maps
Incident on Jan 25, 1999: Employee's finger amputated when caught in machine
Employee #1 was attempting to clean a build up of fiber material from the pinch roller on a bond fiber land line cut-off machine. He bypassed the guard and his finger was amputated.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3314 A |
Other-than-serious | $650 | $650 | Jul 26, 1999 | Closed |
Inspection 125895748 OPENED MAY 15, 1998Closed
7809 Lincoln Avenue, Riverside, CA 92513 · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 5194 E02 |
Other-than-serious | $280 | $280 | Jul 20, 1998 | Closed |
| Citation 1, item 2 29 CFR 5603 |
Other-than-serious | $280 | $280 | Jul 20, 1998 | Closed |
| Citation 2, item 1 29 CFR 5166 B01 |
Serious | $1,405 | $1,405 | Jul 20, 1998 | Closed |
Inspection 125891416 OPENED JAN 22, 1998Closed
7809 Lincoln Avenue, Riverside, CA 92513 · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
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 Riverside site logged 10 recordable injuries or illnesses among about 238 workers: 4.5 per 100 full-time workers, against a median of 2.6 for its industry.
| Site and year | Workers | Cases | Days-away cases | Rate | Industry median |
|---|---|---|---|---|---|
| Riverside Pouring Plant Riverside · 2025 | 238 | 10 | 0 | 4.5 | 2.6 |
The rules behind these citations
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
Other polystyrene foam product manufacturing employers in California
- The Gill Corporation El Monte · 5 citations · $22,875
- Omega Extruding Corp of California Rancho Cucamonga · 61 citations · $112,530
- Cambro Manufacturing Company Huntington Beach · 20 citations · $75,740
- National Diversified Sales, Inc. Lindsay · 13 citations · $53,330
- Western Fiberglass Inc. Santa Rosa · 22 citations · $1,330
- Polycell Packaging Corporation Biola · 25 citations · $45,435
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.