This employer's most recent OSHA inspection was in 2007. This data may not reflect current safety conditions.

Martin Marietta Magnesia Specialties Safety Record

River Rouge, MI · Manufacturing

F

Historical grade based on past OSHA records. This employer has not been inspected in over 10 years.

Last inspected 10/22/2007

Based on public OSHA records. How is this calculated? · Data updated March 2026

According to OSHA enforcement records, Martin Marietta Magnesia Specialties in River Rouge, Michigan has 67 workplace safety violations across 4 inspections, with 16 classified as serious and $2,780 in total penalties. Safety grade: F (significantly elevated violations). OSHA records span 1990 to 2007.

Martin Marietta Magnesia Specialties, located in River Rouge, Michigan, was last inspected by OSHA in 2007. While this employer's safety record is based on historical data that may not reflect current workplace conditions, the OSHA enforcement history remains part of the public record. Of the 67 violations on file, 16 were classified as serious — meaning OSHA determined they could cause death or serious physical harm to workers. Total penalties assessed were $2,780.

OSHA's enforcement records are maintained by the U.S. Department of Labor and cover workplace inspections dating back to the 1970s. An employer's safety grade is calculated using a weighted formula that accounts for the severity of violations — willful violations carry the highest weight (5x), followed by repeat (4x), serious (3x), and other (1x) violations per inspection. Learn more about how safety grades are calculated.

67 Violations
4 Inspections
16 Serious
$2,780 Penalties
Other-than-Serious?
50 ($50)
Serious?
16 ($2,650)
Repeat?
1 ($80)
4081.0213 OSHA Standard
Cited in 3 inspections (3 total) since 1990
4081.0034 OSHA Standard
Cited in 2 inspections (6 total) since 1990
1910.1200 Hazard Communication
Cited in 2 inspections (2 total) since 1990
4081.0015 OSHA Standard
Cited in 2 inspections (2 total) since 1990
4081.0215 OSHA Standard
Cited in 2 inspections (2 total) since 1990
OSHA initially proposed $4,880 in penalties for Martin Marietta Magnesia Specialties, later reduced to $2,780 — a 43% reduction through informal settlement or contest. Learn how OSHA penalties work.
4081.0034 OSHA Standard
6 citations $700
1910.0146 Permit-Required Confined Spaces
4 citations $188
4081.0213 OSHA Standard
3 citations $230
4081.1442 OSHA Standard
2 citations $150
4081.1421 OSHA Standard
2 citations
DateTypeLocationViolationsPenalties
10/22/2007 Referral? River Rouge, MI 0 $0
11/07/1995 Planned? River Rouge, MI 32 $2,100
11/21/1991 Planned? River Rouge, MI 4 $80
01/30/1990 Planned? River Rouge, MI 31 $600

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