Citation Atlas
29 CFR Part 1910
1910.307
Hazardous (classified) locations

1910.307 Hazardous Locations: citations, penalties and recently cited employers

Data as of October 5, 2026 · citations issued Oct 5, 2025 to Oct 5, 2026

Applies to electrical equipment and wiring in locations classified as hazardous because of flammable gases or vapors, flammable liquids, combustible dusts, or ignitable fibers. Equipment in Class I, II, and III locations, or in zones under the alternate classification system, must be approved for the specific class, division or zone, and group present, and must be marked accordingly. Employers must document classified areas, and wiring methods must prevent ignition of the surrounding atmosphere.

37inspections cited
38alleged violation items
$4,965median initial penalty per item
$2,538median current penalty per item
32%of items contested

What the standard requires

Hazards it addresses

Cited at spray finishing operations, grain and dust-producing facilities, chemical plants, and fuel handling areas.

Plain-language summary written for this site; it is not the regulatory text and not legal advice. Read the official text at eCFR.

Citations by month

Inspections with citations issued, by month of issuance. Hatched months are incomplete: citations reach the public data about a month after issuance.

Most-cited paragraphs

ParagraphWhat it coversItemsInspectionsMedian initial penalty
1910.307(c)2020$4,468
1910.307(c)(2)(i)88$2,186
1910.307(b)44$2,894
1910.307(c)(3)44$7,211
1910.307(c)(1)22$9,457

Penalties

Across 38 alleged items, OSHA and state-plan offices proposed $203,793 in initial penalties. The current total in the public data is $147,116, 28% lower after settlements, contests and amendments.

By violation type: Serious 92%; Other-than-serious 8%.

Citations by state

StateInspections citedItemsInitial penaltiesCurrent penalties
Pennsylvania66$31,089$20,318
Missouri33$8,937$2,383
New Jersey33$29,791$26,481
Colorado22$10,592$9,295
Kansas22$24,352$14,611
Massachusetts22$4,965$0
Minnesota22$8,700$8,700
North Carolina23$16,550$16,550
New York22$13,241$7,366
Tennessee22$400$400
Virginia22$12,060$11,745
Wisconsin22$8,276$4,964
Alaska11$0$0
Alabama11$0$0
Georgia11$9,268$6,296
Iowa11$10,641$5,320
Idaho11$9,646$9,646
Illinois11$3,972$2,383
Utah11$1,313$656

By industry

Recently cited establishments

About these records. Citations list alleged violations and proposed penalties. Employers can contest them, and many are reduced or withdrawn in settlement. Each row shows the original and the current penalty and a status label derived from the public data as of October 5, 2026. Check the linked osha.gov page for the official record.

EstablishmentLocationIssuedAlleged itemsInitial penaltyCurrent penaltyStatus and deadlinesSource
Powderworx 615, LLC Burns, TN Aug 24, 2026 1 $400 $400 Informal settlementAbatement due Sep 28, 2026 osha.gov
Agri Trails Co.-OP Carlton, KS Aug 21, 2026 1 $14,895 $8,937 Informal settlement osha.gov
Perdue Foods LLC Cofield, NC Aug 19, 2026 2 $16,550 $16,550 Final orderAbatement due Aug 27, 2026 osha.gov
Knight's Taxidermy, Inc. Anchorage, AK Aug 14, 2026 1 $0 $0 OpenAbatement due Sep 10, 2026Contest deadline ~Sep 4, 2026 (est.) osha.gov
Golden Gate Petroleum of Colorado, LLC Fruita, CO Aug 7, 2026 1 $6,620 $6,620 ContestedAbatement due Sep 14, 2026Contested Aug 28, 2026 osha.gov
Bon Architectural Millwork, LLC Pennsauken, NJ Aug 4, 2026 1 $4,965 $4,965 OpenAbatement due Aug 28, 2026Contest deadline ~Aug 25, 2026 (est.) osha.gov
Lumbermen Associates Inc. Bristol, PA Jul 24, 2026 1 $5,788 $2,894 Informal settlementAbatement due Sep 30, 2026 osha.gov
Aurelius Manufacturing Inc. Braham, MN Jul 20, 2026 1 $2,400 $2,400 Final orderAbatement due Jul 28, 2026 osha.gov
Winters Excelsior, Inc. Pine Apple, AL Jul 10, 2026 1 $0 $0 Informal settlementAbatement due Jul 31, 2026 osha.gov
Hamel Co.-OP Grain Co. Hamel, IL Jul 8, 2026 1 $3,972 $2,383 Informal settlementAbatement due Aug 3, 2026 osha.gov
APX Enclosures, Incorporated Greencastle, PA Jun 26, 2026 1 $0 $0 Informal settlementAbatement due Oct 16, 2026 osha.gov
Vitapure Nutra, LLC Roselle, NJ Jun 2, 2026 1 $8,276 $4,966 Informal settlementAbatement due Jun 22, 2026 osha.gov
Fiber Composites, LLC Meridian, ID May 27, 2026 1 $9,646 $9,646 Informal settlementAbatement due Jun 23, 2026 osha.gov
Name withheld (individual) Wichita, KS May 15, 2026 1 $9,457 $5,674 Informal settlementAbatement due Jun 11, 2026 osha.gov
Ardent Mills LLC Hastings, MN May 1, 2026 1 $6,300 $6,300 ContestedAbatement due May 5, 2026Contested May 7, 2026 osha.gov
Mid-West Industrial Chemical Co. Saint Louis, MO Apr 27, 2026 1 $3,972 $2,383 Informal settlementAbatement due May 21, 2026 osha.gov
Industrial Turnaround Corporation Chester, VA Apr 16, 2026 1 $11,010 $11,010 ContestedAbatement due May 6, 2026Contested May 7, 2026 osha.gov
A. M. Pyrotechnics, LLC Buffalo, MO Apr 10, 2026 1 $0 $0 Informal settlementAbatement due May 6, 2026 osha.gov
Accurate Energetic Systems, LLC Mc Ewen, TN Apr 7, 2026 1 $0 $0 ContestedAbatement due Apr 17, 2026Contested Apr 27, 2026 osha.gov
Hansen-Mueller Kansas City, MO Mar 27, 2026 1 $4,965 $0 Formal settlementAbatement due Oct 13, 2026Contested Apr 23, 2026 osha.gov
Ovation Farms Thompson, IA Feb 20, 2026 1 $10,641 $5,320 Informal settlementAbatement due Mar 18, 2026 osha.gov
SV Labs Prescott Corporation Prescott, WI Feb 20, 2026 1 $0 $0 ContestedAbatement due Feb 25, 2026Contested Mar 16, 2026 osha.gov
Taunton Municipal Lighting Plant Taunton, MA Feb 18, 2026 1 $0 $0 Final order osha.gov
Signature Wafers LLC Ripon, WI Jan 30, 2026 1 $8,276 $4,964 Informal settlementAbatement due Mar 11, 2026 osha.gov
Prime Materials Recovery, Inc. Canastota, NY Jan 21, 2026 1 $8,276 $4,966 Informal settlementAbatement due Feb 9, 2026 osha.gov
Cabinetworks Group Mount Union, PA Jan 21, 2026 1 $0 $0 ContestedAbatement due Feb 17, 2026Contested Feb 13, 2026 osha.gov
Mil-Spec Packaging of GA, Inc. Macon, GA Jan 20, 2026 1 $9,268 $6,296 Informal settlementAbatement due May 26, 2026 osha.gov
Kny 26671 LLC Kearny, NJ Jan 13, 2026 1 $16,550 $16,550 ContestedAbatement due Jan 28, 2026Contested Feb 10, 2026 osha.gov
East Coast Fabricators, Inc. Bedford, VA Dec 18, 2025 1 $1,050 $735 Informal settlementAbatement due Jan 23, 2026 osha.gov
Xpress Natural Gas, LLC Montrose, PA Dec 15, 2025 1 $8,513 $8,513 ContestedAbatement due Jan 12, 2026Contested Jan 9, 2026 osha.gov
Alta Performance Materials US, LLC Philadelphia, PA Nov 28, 2025 1 $11,823 $5,912 Informal settlementAbatement due Dec 29, 2025 osha.gov
Valley Woodcraft & Lumber Company Inc. Wilkes Barre, PA Nov 26, 2025 1 $4,965 $3,000 Informal settlementAbatement due Dec 22, 2025 osha.gov
Herbal Garden, LLC Pueblo, CO Nov 24, 2025 1 $3,972 $2,675 Formal settlementAbatement due Apr 1, 2026Contested Dec 17, 2025 osha.gov
Red Mesa Science and Refining LLC Saint George, UT Nov 19, 2025 1 $1,313 $656 Informal settlementAbatement due Jan 8, 2026 osha.gov
Dart Container Company of Georgia Randleman, NC Nov 10, 2025 1 $0 $0 ContestedAbatement due Nov 14, 2025Contested Jan 6, 2026 osha.gov
JD Millwork & Cabinets, Inc. Ashland, MA Nov 5, 2025 1 $4,965 $0 Informal settlementAbatement due Nov 25, 2025 osha.gov
Axos Designs Inc. Astoria, NY Oct 24, 2025 1 $4,965 $2,400 Final orderAbatement due Nov 17, 2025Contested Dec 2, 2025 osha.gov
The 37 most recent inspections citing 1910.307. Penalties shown are for the items under this standard only.

Often cited together

Questions

What does OSHA standard 1910.307 require?

Applies to electrical equipment and wiring in locations classified as hazardous because of flammable gases or vapors, flammable liquids, combustible dusts, or ignitable fibers. Equipment in Class I, II, and III locations, or in zones under the alternate classification system, must be approved for the specific class, division or zone, and group present, and must be marked accordingly. Employers must document classified areas, and wiring methods must prevent ignition of the surrounding atmosphere.

How often was 1910.307 cited in the last 12 months?

In the public data as of October 5, 2026, 1910.307 (Hazardous Locations) appeared in 37 inspections with citations issued between Oct 5, 2025 and Oct 5, 2026, covering 38 alleged violation items.

Which part of 1910.307 is cited most?

1910.307(c) was the most-cited paragraph, with 20 items.

Which states cite 1910.307 most often?

The most citations under 1910.307 in this period were issued in Pennsylvania, Missouri, New Jersey.

What is the typical penalty for a 1910.307 violation?

The median initial (proposed) penalty per item was $4,965; the median current penalty after settlements and amendments was $2,538. Totals: $203,793 proposed, $147,116 current. Penalties vary by violation type, employer size and history, and State Plans set their own amounts.

Are 1910.307 citations final?

Not necessarily. A citation is an allegation until it becomes a final order. 32% of these items were contested, and many others were changed in settlements. Each listing shows its current status and a link to the official record.