QUEST DIAGNOSTICS INCORPORATED is a medical laboratories employer in SANGER, CA. Federal records show 1 OSHA inspection with 3 violations and $745 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 1, 2026.
QUEST DIAGNOSTICS INCORPORATED
2570 E JENSEN STREET #101, SANGER, CA, 93657
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Federal Criminal Prosecution Record
Inspection Breakdown
Peer Comparison
Labor Relations (NLRB)
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
QUEST DIAGNOSTICS INCORPORATED is one of 114 establishments in our dataset that roll up under the parent organization Quest Diagnostics. Quest Diagnostics is a SEC public reporter (DGX), with most recent reported revenue of $11.0B.
Federal enforcement records on QUEST DIAGNOSTICS INCORPORATED represent activity at this specific establishment. The full enforcement footprint of Quest Diagnostics across all 114 of its tracked locations is viewable on the parent profile.
Other establishments operated by Quest Diagnostics
- QUEST DIAGNOSTICS — LENEXA, KS — 3 federal records
- QUEST DIAGNOSTICS INCORPORATED — SAN JUAN CAPISTRANO, CA — 3 federal records
- QUEST DIAGNOSTICS, INC. — VALENCIA, CA — 2 federal records
- QUEST DIAGNOSTICS — NEW LONDON, CT — 2 federal records
- Quest Diagnostics inc. — SECAUCUS, NJ — 2 federal records
- Quest Diagnostics, Inc. — Chantilly, VA — 2 federal records
- QUEST DIAGNOSTICS — SCHAUMBURG, IL — 2 federal records
- Quest Diagnostics — CYPRESS, TX — 2 federal records
- QUEST DIAGNOSTICS INCORPORATED — LOS ANGELES, CA — 2 federal records
- Quest Diagnostics — PLANO, TX — 2 federal records
Other employers in Medical Laboratories within CA
- QUEST DIAGNOSTICS INCORPORATED — SAN JUAN CAPISTRANO — 3 federal records
- QUEST DIAGNOSTICS INCORPORATED — LOS ANGELES — 2 federal records
- SHARP HEALTHCARE — SAN DIEGO — 2 federal records
- LABORATORY CORPORATION OF AMERICA HOLDINGS — TULARE — 2 federal records
- VARIAN MEDICAL SYSTEMS, INC — ROSEVILLE — 2 federal records
- QUEST DIAGNOSTICS, INC. — VALENCIA — 2 federal records
- THE PERMANENTE MEDICAL GROUP, INC. — SAN JOSE — 2 federal records
- ASSOCIATED PATHOLOGY MEDICAL GROUP, INC. — LOS GATOS — 1 federal record
- TRELLIS BIOSCIENCE LLC — SOUTH SAN FRANCISCO — 1 federal record
- NEOGENOMICS LABORATORIES — IRVINE — 1 federal record
Industry context
Within the medical laboratories industry in CA, QUEST DIAGNOSTICS INCORPORATED ranks in the 78th percentile of OSHA violation frequency across 126 comparable establishments.
OSHA penalty totals rank in the 70th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.6 for the medical laboratories sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.1.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 11 years.
Frequently Asked Questions
- What is QUEST DIAGNOSTICS INCORPORATED's OSHA violation history?
- QUEST DIAGNOSTICS INCORPORATED has 1 OSHA inspection on record with 3 violations and $745 in total penalties.
- How does QUEST DIAGNOSTICS INCORPORATED's safety record compare to its industry?
- QUEST DIAGNOSTICS INCORPORATED operates in the medical laboratories industry. The industry average Total Recordable Incident Rate (TRIR) is 2.6.
About this data
This profile aggregates federal enforcement records on QUEST DIAGNOSTICS INCORPORATED of SANGER, CA from 17 federal data sources. Records were found in 5 sources: OSHA workplace safety inspections, NLRB labor relations cases, UVA Corporate Prosecution Registry, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 12 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, SEC enforcement.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 1, 2026. QUEST DIAGNOSTICS INCORPORATED resolves to the parent rollup Quest Diagnostics, which operates 114 establishments in our dataset.
This profile may be incomplete if QUEST DIAGNOSTICS INCORPORATEDoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.