Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: MAS-CON CORP.

Referral inspection · Safety discipline

On , OSHA opened a referral safety inspection of MAS-CON CORP. in WASTEWATER TREATMENT FACILITY, EXETER, NH 03833 (NAICS 238140). OSHA activity number 343107967.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Establishment
MAS-CON CORP.
Site address
WASTEWATER TREATMENT FACILITY
City
EXETER
State
NH
ZIP
03833
Mailing
29 CENTER ST., LACONIA, NH 03246
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238140
Employees
85
Ownership type
A

3 citations on file for this inspection.

1926.451 E01

Other-than-serious 1 instance 1 exposed
Issued
Aug 31, 2018
Abate by
Sep 7, 2018
Penalty
Initial $6,467 · Current $3,234 Reduced
29 CFR 1926.451(e)(1): When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel hoist, or similar surface shall be used an and crossbraces shall not be used as a means of access:    a. Site - On or about April 12, 2018, the employer did not ensure that an access ladder was utilized where employees climbed the crossbracing as access to the upper level of the scaffolding system.
Recent events (3)
  • — F (O) $3234
  • — C (S) $6467
  • — Z (S) $6467

1926.701 B

Other-than-serious 1 instance 1 exposed
Issued
Aug 31, 2018
Abate by
Sep 7, 2018
Penalty
Initial $6,467 · Current $4,850 Reduced
29 CFR 1926.701(b): Reinforcing steel. All protruding reinforcing steel, onto and into which employees could fall, shall be guarded to eliminate the hazard of impalement:    a. Site - On or about April 12, 2018, employees were exposed to impalement hazards where unprotected rebar was not guarded or capped.
Recent events (3)
  • — F (O) $4850
  • — C (S) $6467
  • — Z (S) $6467

1926.250 B05

Deleted Serious Gravity 5 1 instance 1 exposed
Issued
Aug 31, 2018
Abate by
Sep 7, 2018
Penalty
Initial $6,467 · Current $0 Reduced
29 CFR 1926.250(b)(5): Materials in excess of supplies needed for immediate operations were stored on scaffold(s) or runway(s):  a. Site - On or about April 12, 2018, stored materials exceeded the amount of supplies needed for immediate operation on the scaffolding system.
Recent events (3)
  • — F (S) $0
  • — C (S) $6467
  • — Z (S) $6467

View Mas-Con Corp.'s full OSHA safety record →

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 343107967.

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