NYC-WTC_000232467

NYC 9/11 Public Portal Document ATC ASSOCIATES, INC I 104 E 25th Street, 10th Floor New York, NY 10010 TeL 212-353-8280 I Fax 212-353-8306

REPORT DATE: 07-26-02

I CLIENT: Taylor Environmental Group, Inc.

I PROJECT NAME: SCA/StuyvesantHS 345 Chambers Street, NY

PROJECT NUMBER: M477-I5217/298S1

I SAMPLED BY: Client

I SAMPLE DATE; DATE RECEEVTD: DATE ANALYZED: 07-26-02 07-26-02 07-26-02

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

I ANALYSIS RESULTS

I SAMPLE ID BATCH NO. SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT (h&'ff)

W-Ol 20677 Rm 435 South Side Left Unitvcnt (Back Wall) 9.4 9.0

W-02 20677 Rm 435 South Side Right Unitvent (Back Wall) 14.6 9.0

I W-03 20677 Rm 450 Unitvent (Back Wall) <9.0 9.0

W-04 20677 Rm 315 South Side Left Unitvcnt (Back Wall) <9.0 9.0

I W-05 20677 Rm 315 South Side Right Unitvcnt (Back Wall) <9.0 9.0

W-06 20677 Rm 307 South Side Left Unitvent (Back Wall) <9.0 9.0

I W-07 20677 Rm 307 South Side Middle Unitvcnt (Back Wall) <9.0 9.0

W-08 20677 Rm 307 South Side Right Unin'cnt (Back Wall) <9.0 9.0

W-09 20677 Field Blank <9.0 pg 9.0 Hg

W-10 30677 Field Blank <9.0 pg 9.0 pg

I NOTE ):

I THE REPORTING LEthT (RL) IS 18.0 pg NOTE 2: HUD Guidelines for final clearance dust wipe samples; Floor 40 pg/R’, Window sills 250 pgzTf. Window wcIIk 400 pg/tl^ Exterior surlaces SOO pg/ft’.

I NOTE 3; Blank units are in pg

CITY_21MC100_010238276

NYC-WTC_000232467