Page 229 - Safety Memo

F. Exposure assessments and monitoring are required 2. Vacuum cleaners with high-efficiency particulate air (HEPA)
as follows: filters must be used to clean up ACM and presumed
asbestos-containing material (PACM). 1529(g)(1)
1. Initial exposure assessment must be made by all
employers subject to 1529 before or at the onset of the 3. Prompt cleanup and disposal in labeled leak-tight
project. 1529(f)(2) containers are required except as specified in 1529(g)(8)(B),
1529(g)(1).
2. Daily exposure monitoring of employees must be
conducted by all employers disturbing materials that 4. Specific work practices for different activities are also
contain more than 1% asbestos in Class I and II work. outlined in 1529, 1529(g) (4-11)
1529(f)(3)
5. Stripping of finishes shall be conducted using low abrasion
3. All employers must monitor daily representative exposure pads at speeds lower than 300 rpm and wet methods.
of employees performing Class I and II work. 1529(g)
Exceptions 1529(f)(3): I. Prohibited work practices and controls are as follows:
No monitoring required when: 1. Spraying of any substance containing any amount of
asbestos (see exception). 1528
» The employer has made a negative exposure
assessment for the entire operation. 2. High-speed abrasive disc saw cutting of ACM or PACM
without appropriate point of cut ventilator or enclosures with
» Employees are equipped with supplied-air respirators HEPA filtered exhaust air. 1529(g)(3)
(SARs) operated in the pressure demand mode, or
other positive pressure mode respirator. However, 3. Using compressed air to remove asbestos or materials
employees performing Class I work using certain containing asbestos. 1529(g)(3)
control methods shall be monitored daily even if they
are equipped with SARs. 4. Dry sweeping, shoveling, or other dry cleaning of dust or
ACM or PACM debris. 1529(g)(3)
4. Periodic exposure monitoring of employees must be 5. Rotating employees as a means of reducing exposure to
conducted when disturbing asbestos-containing materials asbestos. 1529(g)(3)
(ACMs) in operations involving other than Class I and II
work during which the PELs might be exceeded. 1529(f)(3) J. Employer needs to include asbestos in the HAZCOM program
G. Respirator protection requirements are specific to asbestos- 5194, regardless of employee airborne exposure levels, and
related activities and exposures, as outlined in 1529(h): make sure that: 1529
1. Employees have access to labels (on containers of
1. The employer must provide appropriate respirators to asbestos) and safety data sheets.
employees; however, employers shall not use filtering
facepiece respirators for protection against asbestos 2. Employees are trained as per 5194 and 1529. 1529(k)(1)(B).
fibers. 1529(h)(3)
3. Warning signs shown below are displayed at each regulated
2. The appropriate respirator must be selected from Table 1 area as per 1529(k)(7):
of 5144(d)(3)(A)(1) and 1529(h).
DANGER
3. The employer must provide HEPA filters for powered and
non-powered air-purifying respirators. 1529(h)(3)(B) ASBESTOS
4. A written respiratory protection program must be MAY CAUSE CANCER
implemented in accordance with 5144(c), CAUSES DAMAGE TO LUNGS
1529(h)(2).
AUTHORIZED PERSONNEL ONLY
H. Methods of compliance and work practices are noted below:
1. A wet method must be used unless the employer can
demonstrate that it is not feasible. 1529(g)(1)

16 Cal/OSHA Pocket Guide for the Construction Industry June 2019 Cal/OSHA Pocket Guide for the Construction Industry | June 2019 17