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TST Inc.: OSHA inspections and violations

Fontana, California · Secondary Smelting and Alloying of Aluminum · NAICS 331314

8inspections
25citation items
$38,843current penalties
Feb 27, 2025last inspection

OSHA has inspected TST Inc. 8 times in California since 1996.

The latest one began on Feb 27, 2025 as a planned inspection, in Fontana.

Those inspections ended with 25 citation items: 4 serious and 21 other-than-serious.

Penalties were first proposed at $66,450 and now stand at $38,843, 42% lower after settlements or reviews.

How that compares: the median penalty per cited inspection for manufacturing employers since 2015 is $3,600, and TST Inc. averages $14,898 (1 cited inspection).

TST Inc. also files yearly injury logs with OSHA, summarized below.

TST Inc.: OSHA citation items per year, 1996 to 2025
Citation items per year, by inspection date.

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Inspection history

Inspection 348075714 OPENED FEB 27, 2025Closed

Planned · Complete · Safety · 115 employees at the site · Closed Mar 23, 2026

11601 Etiwanda Avenue, Fontana, CA 92337 · Secondary Smelting and Alloying of Aluminum · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 5144(C)(1)
Other-than-serious$560$476Aug 26, 2025Final
Citation 1, item 2
29 CFR 5162(D)
Other-than-serious$560$560Aug 26, 2025Final
Citation 1, item 3
29 CFR 5189(D)(3)(A)
Other-than-serious$560$476Aug 26, 2025Final
Citation 1, item 4
29 CFR 5189(F)(1)(C)
Other-than-serious$560$476Aug 26, 2025Final
Citation 2, item 1
29 CFR 5144(D)(1)(C)
Serious$16,875$7,172Aug 26, 2025Final
Citation 3, item 1
29 CFR 5189(D)(3)(B)
Serious$13,500$5,738Aug 26, 2025Final

Inspection 344757653 OPENED MAY 20, 2020Closed

Planned · Records only · Safety · 200 employees at the site · Closed Jul 6, 2020

11601 Etiwanda Avenue, Fontana, CA 92337 · Secondary Smelting and Alloying of Aluminum · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 309915817 OPENED AUG 5, 2009Closed

Planned · Partial · Safety · 200 employees at the site · Closed Aug 21, 2010

11601 Etiwanda Ave, Fontana, CA 92337 · Secondary Smelting and Alloying of Aluminum · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 3210 B
Other-than-serious$0$0Oct 30, 2009Final
Citation 1, item 2
29 CFR 3273 A
Other-than-serious$185$185Oct 30, 2009Final
Citation 1, item 3
29 CFR 3321 A
Other-than-serious$185$185Oct 30, 2009Final
Citation 2, item 1
29 CFR 5189 F01 C
Other-than-serious$3,375$375Oct 30, 2009Final

Inspection 310606587 OPENED MAY 15, 2009Closed

Accident · Partial · Safety · 90 employees at the site · Closed Feb 11, 2011

11601 Etiwanda Ave, Fontana, CA 92337 · Secondary Smelting and Alloying of Aluminum · OSHA's record · Phone and website on Google Maps

Incident on Mar 28, 2009: Employee's finger is amputated by forklift

At about 3:50 a.m. on March 28, 2009, Employee #1 was holding a metal plate (app roximately 0.5 in. thick, 15 in. wide, and 10 ft. 5 in. long) while a coworker m aneuvered it with a forklift (Unit Number 8). When the fork slipped, Employee #1 's right index finger was crushed and partially amputated.

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 3203 A04
Other-than-serious$635$635Sep 28, 2009Closed
Citation 1, item 2
29 CFR 3650 T12
Other-than-serious$850$0Sep 28, 2009Closed

Inspection 307457820 OPENED AUG 26, 2005Closed

Accident · Partial · Safety · 183 employees at the site · Closed Jul 24, 2008

11601 Etiwanda Avenue, Fontana, CA 92335 · Recyclable Material Merchant Wholesalers · OSHA's record · Phone and website on Google Maps

Incident on Jul 1, 2005: Employee amputates finger while repairing forklift

At approximately 7:10 a.m. on July 1, 2005, Employee #1 was repairing a forklift . He sustained a partial amputation of the third finger on his left hand when hi s finger was crushed between the engine hood cover and the frame of the forklift . He was initially transported to Central Occupational Medicine Providers and th en transferred to Arrowhead Regional Medical Center, where he was treated and re leased. He was not hospitalized.

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 3328 E
Other-than-serious$600$160Dec 28, 2005Final

Inspection 125884130 OPENED NOV 22, 2004Closed

Accident · Partial · Safety · 210 employees at the site · Closed Mar 1, 2013

11601 Etiwanda Avenue, Fontana, CA 92335 · Recyclable Material Merchant Wholesalers · OSHA's record · Phone and website on Google Maps

Incident on Oct 27, 2004: Employee's foot burned by molten aluminium

At approximately 9:45 a.m., on October 27, 2004, Employee #1, who worked for the Tinco production casting department, sustained serious third-degree burn injuri es to his left foot. He was trying to cross over a north-south molten aluminum c hannel, going from the east to west side, when he slipped and his left foot fell into the molten aluminum. He was hospitalized for treatment.

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 3308
Serious$18,000$18,000Apr 25, 2005Closed

Inspection 120222138 OPENED MAR 6, 2002Closed

Planned · Partial · Safety · 250 employees at the site · Closed Jul 8, 2003

11601 Etiwanda Ave, Fontana, CA 92337 · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 5144 E03 A
Other-than-serious$280$280Aug 1, 2002Closed
Citation 1, item 2
29 CFR 5144 K05
Other-than-serious$280$280Aug 1, 2002Closed
Citation 1, item 3
29 CFR 5157 D12
Other-than-serious$375$375Aug 1, 2002Closed
Citation 1, item 4
29 CFR 5157 F03
Other-than-serious$375$375Aug 1, 2002Closed
Citation 1, item 5
29 CFR 5157 F04
Other-than-serious$420$420Aug 1, 2002Closed
Citation 1, item 6
29 CFR 5189 E04
Other-than-serious$280$280Aug 1, 2002Closed
Citation 1, item 7
29 CFR 5189 E05
Other-than-serious$185$185Aug 1, 2002Closed
Citation 1, item 9
29 CFR 5189 J02 D
Other-than-serious$560$560Aug 1, 2002Closed

Inspection 119897940 OPENED JUL 30, 1996Closed

Accident · Partial · Safety · 215 employees at the site · Closed Nov 18, 1997

11601 Etiwanda Avenue, Fontana, CA 92335 · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 342 A
Other-than-serious$375$300Dec 18, 1996Closed
Citation 2, item 1
29 CFR 3203 A 7
Other-than-serious$5,000$600Dec 18, 1996Final
Citation 3, item 1
29 CFR 4075 A
Serious$1,875$750Dec 18, 1996Closed

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 Fontana site logged 3 recordable injuries or illnesses among about 105 workers: 2.8 per 100 full-time workers, against a median of 5.4 for its industry. Those cases cost 78 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
TST, Inc.
Fontana · 2025
105 312.85.4
TST Inc.
Fontana · 2021
130 1548.12.9
TST, Inc
Fontana · 2020
132 302116.92.9
TST Inc
Fontana · 2017
148 000.00.7

The rules behind these citations

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

Other secondary smelting and alloying of aluminum employers in California

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.