Ione, California · Explosives Manufacturing · NAICS 325920
Since 1991, OSHA inspectors have visited MP Associates, Inc in California 7 times.
The most recent inspection opened on Feb 11, 2019 on a referral, in Ione.
In all, OSHA issued 14 citation items: 5 serious and 9 other-than-serious.
The proposed penalties came to $187,360; today they stand at $53,170, 72% less.
Among manufacturing employers, the typical cited inspection since 2015 ends with a $4,500 penalty. MP Associates, Inc averages $0 across 1 cited inspection.
1 inspection on this page followed a fatal incident.
MP Associates, Inc also files yearly injury logs with OSHA, summarized below.
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Watch this company6555 Jackson Valley Road, Ione, CA 95640 · Explosives Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 5189(D) |
Other-than-serious | $0 | $0 | Jul 25, 2019 | Final |
6555 Jackson Valley Road, Ione, CA 95640 · Explosives Manufacturing · OSHA's record · Phone and website on Google Maps
Incident on Nov 5, 2018: Employee sustains burns when caught in chemical explosion
At 10:15 a.m. on November 5, 2018, an employee was weighing magnesium and chlorex on a scale when it started to burn and exploded. The employee sustained burn injuries and was hospitalized.
No citations from this inspection.
6555 Jackson Valley Road, Ione, CA 95640 · Explosives Manufacturing · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
6555 Jackson Valley Road, Ione, CA 95640 · All Other Miscellaneous Chemical Product and Preparation Manufacturing · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
6555 Jackson Valley Road, Ione, CA 95640 · All Other Miscellaneous Chemical Product and Preparation Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 5189 E03 A |
Other-than-serious | $450 | $450 | Feb 21, 2006 | Final |
| Citation 1, item 2 29 CFR 5194 G01 |
Other-than-serious | $450 | $450 | Feb 21, 2006 | Final |
| Citation 3, item 1 29 CFR 3383 B |
Serious | $70,000 | $18,000 | Feb 21, 2006 | Final |
| Citation 4, item 1 29 CFR 3384 A |
Serious | $70,000 | $18,000 | Feb 21, 2006 | Final |
| Citation 9, item 1 29 CFR 5189 G04 |
Other-than-serious | $6,075 | $450 | Feb 21, 2006 | Final |
| Citation 10, item 1 29 CFR 5189 L01 |
Other-than-serious | $6,075 | $450 | Feb 21, 2006 | Final |
6555 Jackson Valley Road, Ione, CA 95640 · Explosives Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 5194 G11 |
Other-than-serious | $375 | $185 | Nov 12, 2002 | Final |
| Citation 1, item 2 | Other-than-serious | $185 | $185 | Nov 12, 2002 | Final |
| Citation 2, item 1 29 CFR 3382 A |
Serious | $6,750 | $6,750 | Nov 12, 2002 | Final |
| Citation 4, item 1 29 CFR 5189 D01 |
Serious | $6,750 | $6,750 | Nov 12, 2002 | Final |
| Citation 5, item 1 29 CFR 5189 E01 |
Serious | $6,750 | $750 | Nov 12, 2002 | Final |
| Citation 6, item 1 29 CFR 5189 F01 A |
Other-than-serious | $6,750 | $750 | Nov 12, 2002 | Final |
| Citation 7, item 1 29 CFR 5189 F01 C |
Other-than-serious | $6,750 | $0 | Nov 12, 2002 | Final |
6555 Jackson Valley Road, Ione, CA 95640 · OSHA's record · Phone and website on Google Maps
Incident on Apr 25, 1991 (fatal): One employee killed, one injured in pyrotechnics flash fire
On April 25, 1991, a flash fire occurred in a metal container that was being use d for temporary storage of special effects materials containing black powder and finely ground magnesium and aluminum. Employee #1 was hospitalized with burns a nd Employee #2 was killed. The source of ignition is unknown at this time, but s uspected sources include lightning; a pickup parked in front of the open contain er; friction between material and the metal floor caused by employees walking ov er it; and friction caused by inadvertent pulling of wires from the devices. Jur isdiction has been assumed by federal OSHA and the state fire marshall's office.
No citations from this inspection.
From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.
In 2025, the Ione site logged 0 recordable injuries or illnesses among about 218 workers: 0.0 per 100 full-time workers, against a median of 1.6 for its industry.
| Site and year | Workers | Cases | Days-away cases | Rate | Industry median |
|---|---|---|---|---|---|
| MP Associates Inc Ione · 2025 | 218 | 0 | 0 | 0.0 | 1.6 |
| MP Associates, Inc. Ione · 2019 | 219 | 4 | 2 | 1.9 | 1.6 |
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
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.