345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

I ATC ASSOCIATES, INC 104E 25th Street, 10th Floor 10010 New York, NY

I Tel. 212-353-8280 Fax 212-353-8306

I I REPORT DATE: 08-05-02

I CLIENT: Taylor Environmental Group, Inc.

SCA/Smyvesant HS PROJECT NAME: 345 Chambers Street, NY I PROJECT NUMBER: M477-15217/29881

I SAMPLED BY: Client

08-04-02 SAMPLE DATE:

I DATE RECEIVED: DATE ANALYZED: 08-04-02 08-04-02

SAMPLE MEDIA: Dust Wipe Sample I ANALYSIS REQUIRED: Method EPA 305017420

I AN LYSIS RESULTS

SAMPLE DESCRIPTION LEAD DETECTION SAMPLE BATCB CONCENTRATION LIMIT

I ID NO. (µg/fl) (µg's)

<9.0 9.0 11th Floor M.E.R. H VAC-2 Supply Liner I AHLW-02

AiiLW-03 20905 20905 11th Floor M.E.R. H VAC-2 Return Louver <9.0 9.0

11th Floor M.E.R. H VA -1 Supply Lincr <9.0 9.0 I AHLW-05

AHLW-06 20905

20905 11th Floor M.E.R. F VAC-1 Retum Louver 7.6 6.0

<9.0 9.0 11th Floor M.E.R. E VAC-1 Return Linter I AHLW-07 AHLW-08 20905 20905 11th Floor M.E.R. F VAC-2 Return Lincr <9.0 9.0

<9.0µg 9.0µg

I PBL-1 FBL-2 20905 20905 Field Blank Field Blank <9.0 µg 9.0g

I NOTE 1: I TIE REPORTING LIMIT (RL) IS 18.0 µg NOTE'. µg/8, ' samples: Floor 40 µ&f~, Window Sills 250 AMuidGI for final elestancc dust wipe Window "+tile 400 µg/f. , EXtenor s=ues 800 µg/ft. NOTE 3: Blank units arc in µg

NYC-WTC 000106917