Residential sampling protocol, World Trade Center, Oct 2001

NYC 9/11 Public Portal Document

h^c residential plan oct j s.wfd Page 16|

**^^j)RAFT****

If YES, describe

7. Have you been using your heating/AC system since the WTC event? __ Yes __ No If YES, is it recirculating air or drawing from the outside? 8. Is your heating/AC system in your apartment/condominium (vs. a bldg-contoUed sy stem)? __ Yes __ No If YES, what type of filter do you have (describe)? Name_______ Size ______ Type _______

What was the date of the last filter change?

9. Do you or does anyone who lives here, or visits frequently, smoke tobacco products? _Yes No I 10. During this air and dust sampling, did you:

Cook on the stove __ Yes __ ^No

If yes, was the exhaust fan on __ Yes __ No

Have a fire in your fireplace __ Yes __ No

Smoke cigarettes or other tobacco __ Yes __ No

Clean or vacuum __ Yes __ No If yes, describe

Bum candles, incense, etc. I __ Yes __ ^No I Open your windows __ Yes __ No

Turn off the heating/AC system fan (it should be on during the entire sampling period)

16

CITY_21MC100_013489438 NYC-WTC_000178104