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Document / 21 pages

Ambient dust sampling protocol for residential areas, Oct 2001

Machine-extracted title · confidence 95%

Draft protocol outlining objectives and locations for assessing airborne and settled dust exposures in residential areas.

NYC-WTC_000153220–000153240
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NYC 9/11 Public Portal Document

****DRAFT Version 10, October 29, 2001****

7. Is your HVAC (heating/AC) system in your apartment/condominium (vs. a bldg-controlled system)? Yes No TTYES, whaTType of filter do you have (describe)? Name Size Type

What was the date of the last filter change?

Have you been using your HVAC system since the WTC event? Yes No ITYES, is it recirculating air or drawing fi-om the outside?

Has the HVAC system been service or cleaned since the WTC event? Yes No

Have the ducts been cleaned since the WTC event? Yes No TfYES, provide date(s) of cleaning

8. Do you or does anyone who lives here, or visits frequently, smoke tobacco'products? Yes No

9. 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 Tfyes, descflBS"

Bum candles, incense, etc. Yes No

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NYC-WTC_000153231

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NYC-WTC_000153231Source: NYC Law Department, mirrored locally

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NYC-WTC_000153258 · Box DEP Box 26

Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.

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