Charles River Labs - Worcester

Safety Insights for Charles River Labs - Worcester

Charles River Labs - Worcester operates an establishment with approximately 186 full-time equivalent workers in WORCESTER, MA, classified under the Biotechnology research and development laboratories or services industry (NAICS 541711). Across 2 years of mandatory OSHA Injury Tracking Application (ITA) reporting, this employer has accumulated 13 recordable injuries, 0 occupational illnesses, and 0 workplace fatalities. The average Total Case Rate (TCR) of 5.4 injuries per 100 full-time workers per year provides the anchor metric for the F letter grade (Failing Safety Record).

Benchmarked against the Bureau of Labor Statistics industry average of 0.5 for Biotechnology research and development laboratories or services, Charles River Labs - Worcester's workforce experiences 1088% of the typical injury burden. This ratio matters because TCR already normalizes for hours worked — a 200,000-hour exposure base equals roughly 100 full-time workers — so establishments with very different headcounts can be compared directly. A TCR above the benchmark flags a higher-than-typical risk profile for jobseekers, insurers, and enforcement agencies to examine.

Multi-year trend analysis is the single most reliable signal here: a one-year spike could reflect a single severe event, whereas sustained elevation across 2 reporting cycles points to systemic hazard exposure. Readers evaluating Charles River Labs - Worcester as an employer, contractor, investment, or regulatory target should examine the yearly DART rate (days away, restricted, or transferred), the fatality count of 0, and any year-over-year deterioration shown in the table below. All figures come directly from employer-submitted OSHA Form 300A summaries — there is no modeling, estimation, or third-party adjustment layered on top of the government data.