Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document

02/20/2002 09:31 FAX l 070 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone; (212) 420-8119 Fax: (212) 4204082

Mazat Group LLC 100 John street) Project No.: 01-2094 ELAP Lab Code: 11029 One West Street Analyte: FIBERS NIOSH and AIHA Lab Code: 100273 Date Received: 8/20/01 New York, NY 10004 NVLAP Lab Code: 101953 pate Analyzed: 9/20/01 SUMMARY OF ANALYTICAL RESULTS . PCM Batch 0109A643

Site: L 100.tofu! Street, New boils, NY

SAMPLE # COLLECTED DESCRIPTION / LOCATION 11ML'(min) VOLUML(L) FIB/FIELD RESULTS(17c) (AB f1

043 FIELD BLANK 19-September 0/100 A 6381

044 FIELD BLANK t 9-September 0/100 A 62

045 FIELD BLANK 19-September 0/100 A 8363

048 FIELD BLANK 19-September 0/100 A 8364

047 FIELD BLANK 19-September 0/100 A 6365

Sample Analysis by: KLOD a Less than limit of detection which Is 8.5 Fibers/ 100 Fields Positive Phase Contrast Microscopy (PCM) VOIDI = H.C.P. ( High Concentration of Particles) V0102 :Overloaded

All eumples analyzed in accordance with the NIOSH 7400 Method using "A" Counting Rules. Issue 2. August 1994 IASMM1Irfentation: Olympus PCM Model SH-2 with Walton-Beckett Graticule (100um field diameter). a Laboratory Director Report Date: December 11, 2001 JLC Is responsible for only the fiber counts within the limitations of the method described as NIOSH 7400. Among other gives only an index of airborne fibbers and provides an estimate of asbestos oonoentration. Any and all claims arisinglimitations, this math that, samples are limited in recovery to the cost ofon"/ analyzing samples. JLC accept& fro other liabtfty and the client agreesout of JLC`s analyse the above. to seek no costs b Page 8 of 8 'Z O

NYC-WTC 000123867