EP 1110-1-22
15 Sep 00
Part II: Exposure Assessment (Continued)
_____(1)
Moderate Accessibility
*Only a small percent of material exposed; or material
above a suspended ceiling; or material contacted during
maintenance or repair; or material exposed, but not
accessible to activity of normal occupants.
_____(4)
High Accessibility
*A large percent of material exposed; or material accessible
to occupants; or airborne transport during normal activities.
*Note: If any one or a combination of these criteria are met, assign the corresponding value and
line out the criteria that does not apply.
Activity/use.
_____(0)
None
No activity/storage activities.
_____(1)
Low
Infrequent maintenance activities only.
_____(2)
Moderate
Frequent maintenance activities only.
_____(3)
High
Normal occupant activities.
Air stream/plenum.
_____(0)
None
No perceptible air flow in the room or area.
_____(1)
Present
Airflow and no evidence of ACM present.
_____(2)
Present
ACM is exposed to perceptible or occasional air streams.
_____(3)
Present
*Airflow and evidence of ACM present in supply ducts/plenum; or
recirculated; or subject to routine turbulence; or abrupt air movement.
Area of visible surface or damaged ACM.
_____(0)
Less than 10 cubic or linear feet (small areas should be repaired as soon
as possible).
_____(1)
10 to 100 cubic or linear feet.
_____(2)
100 to 1000 cubic or linear feet.
_____(3)
Greater than 1000 cubic or linear feet.
C-4
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