Safety Incidents OSHA Severe Injury Reports · 2015–2025
4,113,118Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

WASHINGTON, DC —

OSHA Inspection: DOT DIAMOND CORE DRILLING, INC

Referral inspection · Safety discipline

At a glance

On , OSHA opened a referral safety inspection of DOT DIAMOND CORE DRILLING, INC in 1900 MASSACHUSETTS AVE, SE, WASHINGTON, DC 20003 (NAICS 238190). OSHA activity number 309160125.

Watch DOT Diamond Core Drilling, INC — free Get an email when a new federal OSHA severe-injury report for DOT Diamond Core Drilling, INC is published. One employer, no account, unsubscribe in one click.

Where did this inspection happen?

Establishment
DOT DIAMOND CORE DRILLING, INC
Site address
1900 MASSACHUSETTS AVE, SE
City
WASHINGTON
State
DC
ZIP
20003
Mailing
8411 OLD MARLBORO PIKE #23, UPPER MARLBORO, MD 20774

What kind of inspection was it?

Inspection type
Referral (C)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
Y

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
238190
SIC code (legacy)
1799
Employees
2
Ownership type
A

Citations

1 citation on file for this inspection.

1926.501 B01

Other-than-serious Gravity 10 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $1500.00 · Current $1500.00
Recent events (2)
  • — I (O) $1500.00
  • — Z (S) $1500.00

More inspections at DOT DIAMOND CORE DRILLING, INC

View DOT DIAMOND CORE DRILLING, INC's full OSHA safety record →

More inspections in this industry (NAICS 238190)

More inspections in DC

WASHINGTON, DC—2026-06-16

MACY'S

Source

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 309160125.