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Tolerance Masters LLC: OSHA inspections and violations

Circle Pines, Minnesota · Other Aircraft Parts and Auxiliary Equipment Manufacturing · NAICS 336413

7inspections
21citation items
$6,830current penalties
Jan 13, 2026last inspection

OSHA has inspected Tolerance Masters LLC 7 times in Minnesota since 2002.

The latest one began on Jan 13, 2026 as a planned inspection, in Circle Pines.

Those inspections ended with 21 citation items: 12 serious and 9 other-than-serious.

Penalties were first proposed at $7,850 and now stand at $6,830, 13% lower after settlements or reviews.

comes up most often in these citations: 3 items under 5205.1200.

How that compares: the median penalty per cited inspection for manufacturing employers since 2015 is $3,600, and Tolerance Masters LLC averages $1,250 (3 cited inspections).

Tolerance Masters LLC also files yearly injury logs with OSHA, summarized below.

Tolerance Masters LLC: OSHA citation items per year, 2002 to 2026
Citation items per year, by inspection date.

Minnesota · latest 90 days of OSHA records

381employers cited

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Inspection history

Inspection 348684481 OPENED JAN 13, 2026Closed

Planned · Complete · Safety · 70 employees at the site · Closed May 15, 2026

4444 Ball Rd Ne, Circle Pines, MN 55014 · Other Aircraft Parts and Auxiliary Equipment Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.1200(g)(8) · Hazard communication
Serious$1,200$1,200Jan 21, 2026Final
Citation 2, item 1
29 CFR 1910.134(c)(2)(i) · Respiratory protection
Other-than-serious$600$600Jan 21, 2026Final
Citation 2, item 2 Other-than-serious$600$600Jan 21, 2026Final
Citation 2, item 3 Other-than-serious$300$300Jan 21, 2026Final

Inspection 345417307 OPENED JUL 13, 2021Closed

Planned · Complete · Health · 53 employees at the site · Closed Sep 29, 2021

4444 Ball Rd Ne, Circle Pines, MN 55014 · Other Aircraft Parts and Auxiliary Equipment Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1 Serious$600$420Aug 9, 2021Final
Citation 1, item 2 Serious$600$420Aug 9, 2021Final

Inspection 341942019 OPENED NOV 29, 2016Closed

Planned · Complete · Safety · 52 employees at the site · Closed Dec 7, 2016

4444 Ball Rd Ne, Circle Pines, MN 55014 · Other Aircraft Parts and Auxiliary Equipment Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.242(b) · Hand and power tools
Serious$300$210Dec 2, 2016Final

Inspection 317266641 OPENED AUG 2, 2013Closed

Planned · Complete · Health · 50 employees at the site · Closed Sep 3, 2013

4444 Ball Rd Ne, Circle Pines, MN 55014 · Other Aircraft Parts and Auxiliary Equipment Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1 Other-than-serious$200$200Aug 13, 2013Closed
Citation 1, item 2 Other-than-serious$200$200Aug 13, 2013Closed

Inspection 313118788 OPENED APR 8, 2009Closed

Planned · Complete · Health · 43 employees at the site · Closed Apr 14, 2009

4444 Ball Rd Ne, Circle Pines, MN 55014 · Aircraft Engine and Engine Parts Manufacturing · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 310725007 OPENED JAN 11, 2007Closed

Planned · Complete · Safety · 50 employees at the site · Closed Mar 28, 2007

4444 Ball Rd Ne, Circle Pines, MN 55014 · Machine Shops · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.212(a)(1) · Machine guarding
Serious$450$450Feb 7, 2007Closed
Citation 1, item 2
29 CFR 1910.219(d)(1) · Belts, pulleys and power-transmission parts
Serious$600$600Feb 7, 2007Closed
Citation 2, item 1
29 CFR 1910.178(l)(4)(iii) · Forklifts and other powered industrial trucks
Other-than-serious$150$150Feb 7, 2007Closed
Citation 2, item 2 Other-than-serious$150$150Feb 7, 2007Closed

Inspection 304805807 OPENED FEB 4, 2002Closed

Planned · Complete · Safety · 39 employees at the site · Closed May 15, 2002

4444 Ball Rd Ne, Circle Pines, MN 55014 · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.23(c)(1) · Guarding floor and wall openings and holes
Serious$300$210Feb 26, 2002Closed
Citation 1, item 2
29 CFR 1910.178(l) · Forklifts and other powered industrial trucks
Serious$300$210Feb 26, 2002Closed
Citation 1, item 3
29 CFR 1910.242(b) · Hand and power tools
Serious$300$210Feb 26, 2002Closed
Citation 1, item 4a
29 CFR 1910.305(g)(2)(ii) · Electrical wiring methods
Serious$400$280Feb 26, 2002Closed
Citation 1, item 4b Serious$0$0Feb 26, 2002Closed
Citation 1, item 6 Serious$400$280Feb 26, 2002Closed
Citation 2, item 1
29 CFR 1910.215(b)(9) · Grinders and abrasive wheels
Other-than-serious$100$70Feb 26, 2002Closed
Citation 2, item 2 Other-than-serious$100$70Feb 26, 2002Closed

Injury and illness logs

From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.

In 2024, the Circle Pines site logged 2 recordable injuries or illnesses among about 50 workers: 3.8 per 100 full-time workers, against a median of 2.7 for its industry. Those cases cost 18 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
Tolerance Masters, LLC
Circle Pines · 2024
50 223.82.7
Tolerance Masters, Inc
Circle Pines · 2022
50 101.90.3
Tolerance Masters
Circle Pines · 2020
57 000.02.7

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(g)(8)

(8) The employer shall maintain in the workplace copies of the required safety data sheets for each hazardous chemical, and shall ensure that they are readily accessible during each work shift to employees when they are in their work area(s). (Electronic access and other alternatives to maintaining paper copies of the safety data sheets are permitted as long as no barriers to immediate employee access in each workplace are created by such options.)

29 CFR 1910.134 · Respiratory protection

29 CFR 1910.134(c)(2)(i)

(i) An employer may provide respirators at the request of employees or permit employees to use their own respirators, if the employer determines that such respirator use will not in itself create a hazard. If the employer determines that any voluntary respirator use is permissible, the employer shall provide the respirator users with the information contained in appendix D to this section (“Information for Employees Using Respirators When Not Required Under the Standard”); and

29 CFR 1910.178 · Forklifts and other powered industrial trucks

29 CFR 1910.178(l)(4)(iii)

(iii) An evaluation of each powered industrial truck operator's performance shall be conducted at least once every three years.

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 1910.23 · Guarding floor and wall openings and holes

29 CFR 1910.242 · Hand and power tools

29 CFR 1910.305 · Electrical wiring methods

29 CFR 1910.332 · Training

29 CFR 1910.95 · Noise

29 CFR 5205.116

29 CFR 5205.1200

29 CFR 5206.700

Other other aircraft parts and auxiliary equipment manufacturing employers in Minnesota

Alert subscribers get notified of each newly cited employer in Minnesota the morning it is posted. See the alert plans.

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.