Cambridge, Massachusetts · Primary Battery Manufacturing · NAICS 335912
24M Technologies, Inc. has one OSHA inspection on record in Massachusetts.
OSHA opened it on Nov 25, 2025 after a complaint, in Cambridge, and the case has not closed yet.
From that inspection OSHA issued 2 citation items: 2 serious.
OSHA proposed $8,511 in penalties and the amount has not been reduced.
Most often, OSHA cited 1910.106, flammable liquids (2 items).
For context, across all manufacturing employers the median penalty per cited inspection since 2015 is $3,600. 24M Technologies, Inc. averages $8,511 over 1 cited inspection in that time.
24M Technologies, Inc. also files yearly injury logs with OSHA, summarized below.
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Watch this company130 Brookline Street, Cambridge, MA 02139 · Primary Battery Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1a 29 CFR 1910.106(d)(4)(i) · Flammable liquids |
Serious | $8,511 | $8,511 | Jan 22, 2026 | Final |
| Citation 1, item 1b 29 CFR 1910.106(d)(4)(iii) · Flammable liquids |
Serious | $0 | $0 | Jan 22, 2026 | Final |
From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.
In 2023, the Cambridge site logged 1 recordable injury or illness among about 202 workers: 0.5 per 100 full-time workers, against a median of 1.5 for its industry.
| Site and year | Workers | Cases | Days-away cases | Rate | Industry median |
|---|---|---|---|---|---|
| 24M Technologies Inc. Cambridge · 2023 | 202 | 1 | 0 | 0.5 | 1.5 |
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
29 CFR 1910.106(d)(4)(i)
(4) Design and construction of inside storage rooms—(i) Construction. Inside storage rooms shall be constructed to meet the required fire-resistive rating for their use. Such construction shall comply with the test specifications set forth in Standard Methods of Fire Tests of Building Construction and Materials, NFPA 251-1969. Where an automatic sprinkler system is provided, the system shall be designed and installed in an acceptable manner. Openings to other rooms or buildings shall be provided with noncombustible liquid-tight raised sills or ramps at least 4 inches in height, or the floor in the storage area shall be at least 4 inches below the surrounding floor. Openings shall be provided with approved self-closing fire doors. The room shall be liquid-tight where the walls join the floor. A permissible alternate to the sill or ramp is an open-grated trench inside of the room which dra
29 CFR 1910.106(d)(4)(iii)
(iii) Wiring. Electrical wiring and equipment located in inside storage rooms used for Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall be approved under subpart S of this part for Class I, Division 2 Hazardous Locations; for Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) and Category 4 flammable liquids, shall be approved for general use.
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.