EMSL analytical submission cover sheet for ambient air, February 2003

NYC 9/11 Public Portal Document

03/01/2003 00:40 212-290-2538 EMSL ANALYTICAL INC PAGE 01/02

EMSL Analytical, Inc. 307 West 3aih Stront, New York, NY 10018 phone: (ZII) 290-0051 Fax: (2121290-0058 Email: manhattanlabfaicmsl.com

Attn: TRC Environmental Consultants Customer ID; TRCE51 1430 Broadway Customer PC; 10th Floor 02/26/03 3:55 PM Received; New York, NY 10018 Fax- (212)221-7840 Phone: 212-221-7822 030303182 EMSL Order; Project: 35052-0000-00017 / New York City Department/100 EMSL Project ID; Church St. / Ambient Analysis Date; 2/2SZ2003

Phase Contrast Microscopy (PCM) Fiber Count by NIOSH 7400, Fourth Edition, Issue 2, 8/15/94 LOD Fibers/ Fibers/ Sample Location Sample Date i^olume Fibers Fields (fib/cc) mm' CC Nous 2D022803ASBAI 20th Floor Exit to 2/28/2003 1533.33 <5.5 100 0,002 <7.0 <0.002 R2O01 North Corridor 030303182-0001

2D0223O3ASBAI 20th Floor Exit to 2/28/2003 1527.02 <5.5 100 0.002 <7.0 <0.002 R2002 South Corridor 030303182-0002

ZD022S03ASBAI 20th Floor Exit to 2/23/2003 1520.71 <5.5 100 0.002 <7.0 <0.002 R2003 North Corridor 030303182-0003

2D0226O3ASBAI 20th Floor Exit to 2/28/2003 1527.02 <6.5 100 0.002 <7.0 <0.002 R2004 South Corridor 030303182-0008

ZD022803ASBAI Blank 2/28/2003 Q.OQ <5.5 100 <7.0 Fiald Stank RFB05 0303031S2-000S

Zeno Mezhsritsky

Analyst Laboratory Manager or other approved signatory

Limit of Cflieciien is Z tlMraimm*, The laeoraiory is not responslelo (or data reoortixJ in fib«fa/ec, 'Milch is dopenaont on volumo celleetea oy nan-laboraiary parsonnel. This recon relpios only to the snmplos reported above. This report may nol Be reproduoad, eifceci In full, without ■Millan approval by EMSL, Anclysii perrornied by EMSL Manhattan (NY Sialo ELAP #11S06, AIHA an02.581)

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