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.
Citation items per year, by inspection date.
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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 rule
Type
Proposed
Current
Issued
Status
Citation 1, item 1
29 CFR 3203 A04
Other-than-serious
$635
$635
Sep 28, 2009
Closed
Citation 1, item 2
29 CFR 3650 T12
Other-than-serious
$850
$0
Sep 28, 2009
Closed
Inspection 307457820 OPENED AUG 26, 2005Closed
Accident · Partial · Safety · 183 employees at the site · Closed Jul 24, 2008
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 rule
Type
Proposed
Current
Issued
Status
Citation 1, item 1
29 CFR 3328 E
Other-than-serious
$600
$160
Dec 28, 2005
Final
Inspection 125884130 OPENED NOV 22, 2004Closed
Accident · Partial · Safety · 210 employees at the site · Closed Mar 1, 2013
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 rule
Type
Proposed
Current
Issued
Status
Citation 1, item 1
29 CFR 3308
Serious
$18,000
$18,000
Apr 25, 2005
Closed
Inspection 120222138 OPENED MAR 6, 2002Closed
Planned · Partial · Safety · 250 employees at the site · Closed Jul 8, 2003
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 year
Workers
Cases
Days-away cases
Rate
Industry median
TST, Inc.
Fontana · 2025
105
3
1
2.8
5.4
TST Inc.
Fontana · 2021
130
15
4
8.1
2.9
TST, Inc
Fontana · 2020
132
30
21
16.9
2.9
TST Inc
Fontana · 2017
148
0
0
0.0
0.7
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.