NYCDOH/ATSDR residential asbestos sampling results, April 2002

NYC 9/11 Public Portal Document

SECTION 5. Information for samples taken from RESIDENTIAL UNIT 1 (continued)

Q. Is this unit currently occupied? Y N

Is there a separate HVAC system for this residential unit? Y N

Is there a significant amount of dust that would preclude aggressive sampling? Y N

Recommend: Aggressive sampling for unoccupied residential units that have their own HVAC and DO NOT have a significant amount of dust.

R. Did this unit meet the criteria to be aggressively sampled? Y N

If YES, was this unit aggressively sampled? Y N

If this unit met the criteria for aggressive sampling and was not aggressively sampled, why not?

If this unit does not have it’s own HyAC system, p/ease skip to question IV.

S. What type of filter is used? High Efficiency Filter Regular Filter Not Sure Filter Name Filter Size Filter Type Paper Electrostatic Fiberglass _____ Other (describe) Filter Efficiency Rating

Has the filter been changed since the WTC collapse? Y N Not Sure If yes, date_________________________________

Have the ducts been cleaned since the WTC collapse? Y N Not Sure If yes, date_________________________________

Does the system recycle air? Y N Not Sure If yes, what percent of the air is recycled? % Not Sure Has the system been recycling since the WTC collapse? Y N Not Sure

T. Has the HVAC system been SERVICED since the WTC collapse? Y N Not Sure If yes, date___________________________________

U. Has the HVAC system been CLEANED since the WTC collapse? Y N Not Sure If yes, date___________________________________

V. Was the HVAC fan ON during the entire air sampling period Y N Not Sure If NO, how long did the fan run (in hours)? hours

26

NYC-WTC_000164988