NYC-WTC_000204546

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC 104 E 25tli Street, 10th Floor New York, NY 10010 Tel. 212-353-8280 Fax 212-353-8306

14 9831 Rm 260N. Floor <9.0 9.0

15 9831 Rm 260 Window Sill <4.6 4.6

16 9831 Rm 129S Floor <9.0 9.0

17 9831 Rm 129S Window Sill <10.8 10.8

18 9831 Blank <9.0 ng 9.0 ^rg 19 9831 Blank <9.0 ng 9.0 Hg

AO7’£ J: THE REPORTING LIMIT (RL) IS 18.0 pg NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 pg/ft/ Window sills 250 pg/ft^ Window wells 400 pg/fty Exterior surfaces 800 pg/ft/ NOTE 3: Blank units are in pg

CERTIFICATION AND SIGNATURES

ANALYSIS PERFORMED BY:

REPORT PREPARED BY:

ATC certifies that this report is an accurate and authentic report of results obtained from the laboratory analysis.

QUALITY ASSURylNCE COORDINATOR:

LABORATORY DIRECTOR: t ATC is accredited by the New York State Department of Health Environmental Laboratory Approval Program (ELAP) and by the American Industrial Hygiene Association (AIHA) to perform analysis of lead in paint, dust wipes, air and soil samples. (ELAP #10879), (AIHA #100229).

CITY_21MC100_003072540

NYC-WTC_000204549