NYC-WTC_000232394

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC I 104 E 25th Street, 10th Floor New York, NY 10010 t Tel. 2J 2-353-8280 Fax 212-353-8306

REPORT DATE: 07-25-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 345 Chambers Street, NY

PROJECT NUMBER: M477-15217/29881

I S.AMPLED BY:

S.AMPLE DATE: Client

07-24-02 DATE RECEIVED: 07-24-02 DATE ANALYZED: 07-24-02

SAMPLE MEDLA: Dust Wipe Sample analysis REQUIRED: Method EPA 3050/7420

analysis reset-TS I SAMPLE BATCH sample description LEAD DETECTION ID NO. CONCENTRATION LIMIT

I 10-01 20613 10 Floor 0/S Rm 1010 HVAC I West Supply <9.0 9.0

I 10-02 20613 10 Floor O/ S Rm 1010 HVAC 1 East Supply 37.4 9.0

10-03 20613 10 Floor O/S Rm 1007 HVAC 1 East Supply <9.0 9.0

10-04 20613 10 Floor O/S Rm 1010 HVAC 1 Return Plenum <4.5 4.5

10-05 20613 10 Floor O/S Rm 1010 HVAC IRctiim Plenum 5.5 4.5

I 10-06 20613 10 Floor O/S Rm 1018 HT'AC Return Duct 34.7 9.0

FB-1 20613 Field Blank <9.0 us 9-0 Mg

FB-2 20613 Field Blank <9.0 gg 9.0 ue

NOTEl: THE REPORTING LIMIT (RL) IS 18.0 gg NOTE 2: HUD Guidelines for Gnal clcannce dust wipe samples: Floor 40 gjlr. Window sills 250 gg/fl’. Window wells 400 ggZff, Exterior sur&ees 800 gg'ftL NOTE 3: Blank units arc in gg

CONFIDENTIAL, CITY_21MC100_003475000 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000232394