Appendix A to Section 5141.1. Protection from Wildfire Smoke Measuring PM2.5 Levels at the Work...
8 CA ADC § 5141.1 App. ABarclays Official California Code of Regulations
8 CCR § 5141.1 App. A
Appendix A to Section 5141.1. Protection from Wildfire Smoke Measuring PM2.5 Levels at the Worksite (Mandatory if an Employer Monitors with a Direct Reading Instrument)
(c) The employer shall ensure that the monitor and all necessary monitor accessories are calibrated, maintained, and used, in accordance with the manufacturer's instructions for accurately measuring particles with an aerodynamic diameter of 0.3 micrometers or less up to and including 2.5 micrometers (≤0.3μm to 2.5μm). The employer may use an air monitor that measures particles less than 0.3 micrometers to greater than 2.5 micrometers (≤0.3μm to ≥2.5μm) if the employer treats the result as the PM2.5 level.
PM2.5 in Micrograms per Cubic Meter (μg/m3) | Air Quality Index (AQI) Categories for PM2.5 |
---|---|
0 to 12.0 | 0 to 50 |
12.1 to 35.4 | 51 to 100 |
35.5 to 55.4 | 101 to 150 |
55.5 to 150.4 | 151 to 200 |
150.5 to 250.4 | 201 to 300 |
250.5 to 500.4 | 301 to 500 |
Credits
Note: Authority cited: Section 142.3, Labor Code. Reference: Sections 142.3 and 144.6, Labor Code.
History
1. New Appendix A filed 7-29-2019 as an emergency; operative 7-29-2019 (Register 2019, No. 31). A Certificate of Compliance must be transmitted to OAL by 1-27-2020 or emergency language will be repealed by operation of law on the following day.
2. New Appendix A refiled 1-16-2020 as an emergency; operative 1-24-2020 pursuant to Government Code section 11346.1(d) (Register 2020, No. 3). A Certificate of Compliance must be transmitted to OAL by 4-23-2020 or emergency language will be repealed by operation of law on the following day.
3. New Appendix A refiled 4-30-2020 as an emergency; operative 6-23-2020 pursuant to Government Code section 11346.1(d) (Register 2020, No. 18). A Certificate of Compliance must be transmitted to OAL by 9-21-2020 or emergency language will be repealed by operation of law on the following day.
4. Emergency filed 4-30-2020 and operative 6-23-2020 extended 60 days pursuant to Executive Order N-40-20 and an additional 60 days pursuant to Executive Order N-66-20. A Certificate of Compliance must be transmitted to OAL by 1-19-2021 or emergency language will be repealed by operation of law on the following day.
5. Certificate of Compliance as to 4-30-2020 order, including amendment of Appendix A, transmitted to OAL 12-17-2020 and filed 2-1-2021; amendments operative 2-1-2021 pursuant to Government Code section 11343.4(b)(3) (Register 2021, No. 6).
This database is current through 4/26/24 Register 2024, No. 17.
Cal. Admin. Code tit. 8, § 5141.1 App. A, 8 CA ADC § 5141.1 App. A
End of Document |