Page 103 - Safety Memo

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PEL. The employer shall provide hygiene facilities • Minimum respirator requirement: A full-face mask
for changing, showering, eating, and hand washing. respirator with N100, R100, or P100 filters; a supplied-
1532.1(i) air hood or helmet; or a loose-fitting hood or helmet
with a powered air purifying respirator with N100,
c. Workers shall have access to labels on containers of
lead and safety data sheets, and must be trained as R100, or P100 filters
per 5194 and 1532.1, 1532.1(l)(1)(A). 3. Level 3 trigger tasks: Abrasive blasting, welding, cutting, or
d. The employer shall implement a written compliance torch burning on structures
program to ensure control of hazardous lead • Minimum respirator requirement: A half mask, supplied-
exposures. 1532.1(e) air respirator operated in a positive pressure mode
e. The employer shall provide the worker with and require D. Protective requirements for all trigger tasks and any other
the use of appropriate personal protective equipment. task that may cause a lead exposure above the PEL include
1532.1(f),(g) the following:
f. The employer shall assure that all protective clothing 1. Respirators, protective equipment, and protective clothing.
is removed at the completion of a work shift only in 1532.1(f),(g)
change areas provided for that purpose. 1532.1(g)
2. Clothing change areas and a shower. 1532.1(i)
B. The permissible exposure limits (PELs) for airborne lead are
0.05 milligrams per cubic meter of air (mg/m3) and an action 3. Initial blood tests for lead and zinc protoporphyrin. 1532.1(j)
level of .03 mg/m3, both as an 8 hour time-weighted-average 4. Basic lead hazard, respirator, and safety training. 1532.1(l)
(TWA). 1532.1(b)(c)
5. The employer shall post the following warning signs in each
C. Trigger tasks are certain highly hazardous tasks that carry regulated area or work area where an employee’s exposure
the presumption of airborne exposure above the PEL. They to lead is above the PEL. 1532.1(m)(1)(a)
require special protective measures until it is determined that
worker airborne exposures to lead are below levels specified DANGER
in 1532.1.
LEAD WORK AREA
Following are the three levels of trigger tasks as provided in
the Cal/OSHA’s “Lead in Construction” fact-sheet MAY DAMAGE FERTILITY OR THE UNBORN CHILD
(www.dir.ca.gov/dosh/dosh_publications/lead-fct-sheet- CAUSES DAMAGE TO THE CENTRAL NERVOUS SYSTEM
rev.pdf) involving lead-containing materials and associated
respirator requirements: 1532.1(d)(2) DO NOT EAT, DRINK OR SMOKE IN THIS AREA
1. Level 1 trigger tasks: Spray painting, manual demolition, Note: The above protective requirements must be enforced
manual scraping or sanding, using a heat gun, and power until worker airborne exposures are shown to be below
tool cleaning with dust collection system. levels specified in 1532.1.
E. Blood lead monitoring is especially important to evaluating
• Minimum respirator requirement: a half-mask
respirator with N100, R100, or P100 filters work and hygiene practices that may result in lead ingestion.
Employees whose blood lead levels exceed specified limits
2. Level 2 trigger tasks: Using lead containing mortar; must be removed from the work with exposure to lead at or
burning lead; rivet busting; cleaning power tools without above the action level. These workers must be provided with
a dust collection system; using dry, expendable abrasives normal earnings, seniority, and other employee rights and
for clean-up procedures; moving or removing an abrasive benefits for 18 months or until the job from which they were
blasting enclosure. removed is discontinued, whichever occurs first. Mandatory
medical removal of an employee due to lead (or other regulated
chemicals) must be recorded on the Log 300 with a check in
the “poisoning” column. 1532.1(k)(2), 14300.9

94 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 95