Asbestos air sampling request, 100 Church Street, March 2003

NYC 9/11 Public Portal Document

03/07/200,3 00:16 212-290-2538 EMSL ANALYTICAL INC PAGE 01/02

EMSL Anaiyticai, inc. 307 Weal 3Sth Strnnf, New York, NY 10018 EJVlSil? Phone: (212) ?.9fl-(1051 Fax: (.212)290-0058 Email: manbattanlab^emsl.eom

A«n: TRC Environmental Consultants Customer ID: TRCE51 1430 Broadway Customer PO: 10th Floor Received: 03/06/03 3:66 PM New York, NY 10018 Fax: (212) 221-7840 Phone: 212-221-7822 EMSL Order: 030303598 Project: 35052-0000-00017/ NEW YORK CITY LAW EMSL Project ID: DEPARTMENT/ 100 CHURCH ST./ AMBIENT Analysis Date: 3/6/2003

Phase Contrast Microscopy (PCM) Fiber Count by NIOSH 7400, Fourth Edition, Issue 2, 8/15/94

lOD fiberr/ Fibers/ Sample Location Sample Dare i-'otume fibers Fieliis (fib/cc) mm‘ cc f'foies NA030603ASBAI 20TH FLOOR-EAST 3/6/2003 1520.70 <5,5 100 0.002 <7.0 <0.002 R2001 CORIDOR 030303596-0001 ENTRANCE

NA030603ASBA1 20TH FLOOR-WEST 3/6/2003 1527,02 <5.5 100 0.002 <7.0 <0.002 R2002 CORIDOR ENTRANCE 030303596-0002

NAD3D603ASBAI 20TH FLOOR-EAST 3/6/2003 1520.70 <5.5 100 0.002 <7.0 <0.002 R2003 CORIDOR O3030359S-O0O3 ENTRANCE

NA030603ASBAI 2aTH FLOOR-WEST 3/3/2003 1527,00 <5.5 100 0.002 <7.0 <0.002 R2D04 CORIDOR 030303SO&.00O4 ENTRANCE

NAO3O603ASBAI BLANK 3/6/2003 0.00 <5.5 100 <7.0 Field Blank R200S 030303S93-OOOS

Jeremy Robertson Analyst Laboratory Manager or other approved signatory

Limit oldoiocsicn I? 7 titjorsrmm' Tha laboratory Is not roiponsibie tor data ropartodin libers/sc, wnlcli Is dopandanl onvaiuma colMctsd by nofi-laboiaioty por.nannol. This repcn ralaia., only m tho Mmples raconed above. This rapdn may not ba raprocucad, axcept In full, tvilhout wriiian aooroval by EMSL Analy.-.ij patrfarmeo by EMSL Hanhdilsn (NV Swta ELAP aitSOa, AIMA siOJSSl)

'CMj 1

CITY_21MC100_012558166

NYC-WTC_000174582