Exam Questions And Correct Answers.
clean room size - Answer 32 sq.ft for every 6 workers or 24 sq.ft for <= 3 workers
airlock minimum width - Answer 3ft
shower room drains to what size filter? - Answer 5 micron filter
how many shower heads in shower room? - Answer 1 shower head / 6 workers
ceiling and walls plastic characteristics - Answer 1 layer poly, 6 mil thick, fire-retardant
floor plastic characteristics - Answer 2 layer poly, 6 mil reinforced, fire-retardant
clean room procedure before entering work area - Answer -everybody signs logbook
-everybody leaves valid license
Donning PPE - Answer Put on: gown, respirator (take off last), goggles, glove
Leaving work area procedure - Answer -HEPA vacuum yourself
-wash tools with amended water
-throw coverall away
-shower with respirator on
-clean respirator
-dry with paper towels in clean room
-retrieve license
-sign logbook
, when do you need a separate waste decon unit? - Answer for all large asbestos projects
(projects >= 1000sq.ft or 100 linear ft)
when is the decontamination unit set up? - Answer before preparing the work area
what do you need additionally for remote or distant decontamination units? - Answer -2 disposable
suits, remove one and put another on when exiting work area.
-extra airlock for work area and equipment room or decon unit
what must stay up until final clearance? - Answer -critical barriers
-decon unit
-negative air filtration unit (microtrap)
work area must have: - Answer -warning signs
-"lock out and tag out"
-GFCI
-Seal all HVAC openings with 2 layers independently
-when the opening is more than 32sqft we need to put up a solid barrier
live electricity needs how many layers of plastic? - Answer 3 layers of plastic
how to plasticize walls and floors? - Answer 2 layers of plastic alternatively with 2" between wall and
ceiling or floor depending on which is being worked on
how far should seams be between plastic layers for NYS and NYC? - Answer -NYS = 6ft.
-NYC = 6in.
safety hazard information: - Answer -SDS (safety data sheet)