8 CCR 1532.1 Cal/OSHA Construction Safety Orders Flashcards
Employee exposure without regard to the use of respirators, to an airborne concentration of lead of 30 micrograms per cubic meter of air calculated as an 8 hr TWA
Action Level
Trigger Task I Activities
Low Level Exposure (where lead-based paint is present)
- Manual demolition
- Manual scraping
- Manual sanding
- Heat gun applications
- Power tool cleaning with dust collection
Trigger Task II Activities
Moderate Level Exposure
- Lead containing mortar use
- Lead burning
- Rivet busting
- Power tool cleaning without dust collection
- Cleanup where dry abrasive expendables used
- Abrasive blasting enclosure movement and removal
Trigger Task III Activities
High Level Exposure
- Abrasive blasting
- Welding
- Cutting
- Torch burning
When using a sampling pump, must not exceed a liter loading of _______ total dust
ca 2mg
What type of filter is used in a sampling pump?
Mixed cellulose ester filter (MCEF), 0.8 micrometer pore size, in cassette filter holder, closed face cassette
What is used to calibrate a sampling pump?
Each pump is pre-calibrated with a primary or secondary standard, with a representative sampler in line.
The purpose of calibration is to ensure that _____ matches the ______ set on the sampling pump
flow rate
The rotameter response depends on ______, _______ and _______, and must be calibrated on a primary standard.
temperature, pressure, and humidity
The sampling pump should run for ____min prior to voltage check and for calibration.
5
The same cassette and filter may be used for all calibrations involving the same ______ _______
sampling method
When must sampling pumps be calibrated?
Before and after each day.
Calibration steps should be repeated until two readings are within ___%
2
