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NYC-WTC_000200086

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NYC 9/11 Public Portal Document

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

REPORT DATE: 07-26-02

CLIENT: Taylor Environmental Group, Inc. a PROJECT NAME: SCA/Stuyvesant HS 345 Chambers Street, NY RI PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE: 07-26-02 DATE RECEIVED: 07-26-02 DATE ANALYZED: 07-26-02

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

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (pg/f^ (ug/ft^)

W-01 20677 Rm 435 South Side Left Unitvent (Back Wall) 9.4 9.0 [R

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

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

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

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

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

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

W-08 20677 Rm 307 South Side Right Unitvent (Back Wall) <9.0 9.0

W-09 20677 Field Blank <9.0 Mg 9.0 Mg

M W-10 20677 Field Blank <9.0 Mg 9.0 Mg

13 NOTE 1; THE REPORTING LIMIT (RL) IS 18.0 Mg NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 Mg/ft’, Window sills 250 Mg/ft‘, 3 Window wells 400 ug/fP, Exterior surfaces 800 pg/ft’- NOTE 3: Blank units are in Mg

B

CITY_21MC100_003266287

NYC-WTC_000200086

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NYC-WTC_000200086Source: NYC Law Department, mirrored locally

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