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HAYNES AGGREGATES - SEYMOUR LLC Metal/Non-Metal

HAYNES MATERIALS COMPANY · Surface

Controlled by Thomas R Haynes

Seymour, New Haven County, CT · Intermittent

MSHA Mine ID: 0600763

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Fatalities: 0
Total incidents: 1
Years on record: 2020
Latest incident: May 2020

Compliance record

MSHA citations since 2011

citations

significant & substantial

$9,973

proposed penalties

$9,973

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	2,749	0	0.0
2025 Q3	2,324	0	0.0
2025 Q2	2,065	0	0.0
2025 Q1	979	2	2042.9
2024 Q4	4,410	0	0.0
2024 Q3	4,501	0	0.0
2024 Q2	4,384	0	0.0
2024 Q1	108	1	9259.3

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2020 · 1 incident

May 27, 2020 CT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON

Haynes Materials Company · Fall from machine

Mechanic slipped off the damp track of an excavator. EE fell and hit EE's head.