345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

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

I 07-31-02 ' REPORT DATE:

CLIENT: Taylor Environmental Group, Inc.

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

M477-1521.7/29881 PROJECT NUMBER:

SAMPLED BY: Client

SAMPLE DATE: 07-30-02 I DATE RECEIVED: 07-31-02 DATE ANALYZED: 07-31-02

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

I ANALY.SIS RE .TS ' LEAD DETECTION SAMPLE BATCH SAMPLE DESCRIPTION CONCENTRATION LIMIT ID NO. (µ0) (µ$le)

10.0 9.0 LW-01 20791 8th Floor Corridor West Supply ~r 840 9.0 LW-02 20791 8th Floor Corridor (West) C C832 Supply 85.3 ' <9.0 9.0 LW-03 20791 8th Floor Corridor ajd. to C821 - Return 9.8 9.0 LNV-04 20791 8th Floor Corridor Supply Adj. 807 <9.0 µg 9.0 µS I BL-1 20791 Field Blank <9.0 µg 9.0 µg FBL-2 20791 Field Blank I NOTE 1: THE REPORTING LIMIT (RL) IS 18.0 µg NOTE 2.; s,0 .z, /ft, Window sills 250 µg/ft HUD Guidclines for final clesranee dust wipe samPlct. Floor E¢tcrior surfacers 800 µg/tt. Window weak 400 µvjW, NOTE 3: Blank units ere in µg I

I NYC-WTC 000106904