Medicinal chemicals, uncompounded, manufacturing · California

Amphastar Pharmaceuticals

Amphastar Pharmaceuticals / 11570 6th Street / Rancho Cucamonga, CA · ~666 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.2
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Amphastar Pharmaceuticals runs at 97% of its industry's injury rate - about level with the typical Medicinal chemicals, uncompounded, manufacturing workplace, earning a grade C.

Amphastar Pharmaceuticals: 3.2 TCR = 97% of Medicinal chemicals, uncompounded, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Amphastar Pharmaceuticals safety composite

Amphastar Pharmaceuticals scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 38%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.2 per 100 workers

Safer than 38% of industry peers

DART rate
D 1.39 per 100 workers

Safer than 44% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

Amphastar Pharmaceuticals: 2.0 → 4.2 TCR

Peak year 2024 @ 4.2 TCR · DART/TCR 0.43× in 2024

Amphastar Pharmaceuticals's TCR rose 2.2 from 2.0 in 2022 to 4.2 in 2024. In 2024, DART was 0.43× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 325411 · Amphastar Pharmaceuticals / 11570 6th Street / Rancho Cucamonga, CA AT/BELOW-IND · MID

Grade C · TCR 3.2 · 97% of ind

  • DART 1.4 DART
  • RANK #17/35
  • PHOTO Rhodes Technologies
  • BOOK 3y book
  • INJ 56 inj
  • SIZE ~666 FTE

Nearest TCR peer: Rhodes Technologies (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Amphastar Pharmaceuticals in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Amphastar Pharmaceuticals averages 3.2 TCR (97% of the Medicinal chemicals, uncompounded, manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Amphastar Pharmaceuticals TCR series: 2022=2 · 2023=3.5 · 2024=4.2 · BLS 3.3

Where Amphastar Pharmaceuticals falls in its industry

260 Medicinal chemicals, uncompoun establishments

Safer than 38% of graded establishments in this industry, whose median TCR is 2.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #17 safest of 35 Medicinal chemicals, uncompoun employers in California.

Amphastar Pharmaceuticals (666 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 120 employees and a TCR of 2.4 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 02004006008001,000 0246810 Average employees Total Case Rate Amphastar Pharmaceuticals
Amphastar Pharmaceuticals (666 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 120 employees and a TCR of 2.4

Amphastar Pharmaceuticals has more employees than the Medicinal chemicals, uncompounded, manuf median and a higher injury rate than the industry's median TCR of 2.4. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 4.2 1.4 23 1 0
2023 3.5 2.9 19 0 0
2022 2.0 2.0 14 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

325411 · CA · Amphastar Pharmaceuticals / 11570 6th Street / Rancho Cucamonga

260 Medicinal chemicals, uncompounded, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Rhodes Technologies 3.2 TCR
NAICS-TCR Ajinomoto Health & Nutrition North America, Inc. 3.3 TCR
NAICS-TCR Se7enLeaf, LLC 3.1 TCR
NAICS-TCR Lacore Nutraceuticals 3.1 TCR
STATE-SIZE Thibiant International 666 FTE
STATE-SIZE LAX-GROUND OPS 666 FTE
STATE-SIZE Santa Clara Valley Transportation Authority - River Oaks 666 FTE
STATE-SIZE Fire Station 21 666 FTE
NAT-TCR AllCare PACE 3.2 TCR
NAT-TCR Mountain Iron-Buhl High School 3.2 TCR
NAT-TCR The Escape Game Las Vegas, LLC 3.2 TCR
NAT-TCR Clark Construction Inc. 3.2 TCR
NAT-SIZE Saks.com LLC 666 FTE
NAT-SIZE Jacksonville Memorial Hospital 666 FTE
NAT-SIZE Henkel Corporation 666 FTE
NAT-SIZE City of Troy 666 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023, 2022. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.