NYC-WTC_000200134

NYC 9/11 Public Portal Document

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

REPORT DATE: 09-03-02

CLIENT: Taylor Environmental Group, Inc.

R PROJECT NAME: NYC SCA/Stuyvesant HS 345 Chambers St., NY, NY

SAMPLED BY: Client

SAMPLE DATE: 08-30-02 DATE RECEIVED: 08-30-02 n DATE ANALYZED: 08-30-02

SAMPLE MEDIA: Dust Wipe Sample ANALYSIS REQUIRED: Method EPA 3050/7420

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Fg/ft’) (pg/fl?)

LW-01 21703 Rm 081 Floor by Entrance 14.4- 9.0

LW-02 21703 Rm 081 Top of Pool Filter Tank (Left) <9.0 9.0

LW-03 21703 Rm 082 Floor 5' of Entrance <9.0 9.0

LJ LW-04 21703 Rm 082 Shelf <9.0 9.0

LW-05 21703 Rm 083 Floor North Side <9.0 9.0

LW-06 21703 Rm 084 Floor by Cage Entrance <9.0 9.0

LW-07 21703 Rm 084 Top of Shelf NE Comer <9.0 9.0

LW-08 21703 Corridor Floor 0/S 083 <9.0 9.0

LW-09 21703 Field Blank <9.0 pg 9.0 pg

LW-10 21703 Field Blank <9.0 pg 9.0 pg

NOTEl: ta THE REPORTING LIMIT (RL) IS 18.0 pg NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 pg/fF, Window sills 250 pg/fF, Window wells 400 pg/ft’, Exterior surfaces 800 pg/fF. lJ NOTE 3: Blank units are in pg

u CITY_21MC100_003266598

NYC-WTC_000200134