---
type: threshold
id: terphenyls
asset: workplace-exposure-limits
title: "Terphenyls — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
source_quote: "Terphenyls | 26140-60-3 | (C)1 | (C)9 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Terphenyls"
cas_number: "26140-60-3"
pel_ppm: "(C)1"
pel_mgm3: "(C)9"
verified: true
---
**Substance:** Terphenyls

**CAS No.:** 26140-60-3

**PEL (ppm):** (C)1

**PEL (mg/m³):** (C)9

> Terphenyls | 26140-60-3 | (C)1 | (C)9 | - |

Source: <https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1>