NYC-WTC_000205568

NYC 9/11 Public Portal Document

c COMMERCIAL LAB ENTERPRISE L 270 Swinton Avenue, Bronx, New York 10465 « (718) 792-2832

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Duane Street Associates c/o Hudson River Management LLC,, 40 Harrison Street New York, NY, 10013 Attn,: Ms, Deborah Dolan,

File#; 01231-B3.

Project: Building #3-40 Harrison Street, New York, NY. Location: 2"'^ Floor - Various locations. Samples collected on: October 30. 2001. Type of test: TEM - Air Quality Tests. Industrial Hygienists; Victor Escalona. AH 90-16572. Rotameter #: 1. Maria Escalona. AH 98-01434.

REPORT ' ASBESTOS FIBER ANALYSIS BY . TRANSMISSION ELECTRON MICROSCOPY (TEM) Performed by EPA 40 CFR Part 763 Final Rule, EPA Level 11.

Sample #: Location; Flow Rate Time of test. Duration Volume Results (Its/min) (minutes) (liters) Fibers/cc ON OFF ON OFF inside Montessori School: 406 By reception area near elevator. 10.0 10.0 ■H):25am - 12:40pm 135 -1350 Tot" Rear hallway by classrooms. loTo 10;27am - 12;43pm 135 1350

TEM air samples were analyzed by EMSL Analytical, Inc.; accredited for NVLAP TEM # 101048-10; NYS DOH ELAP Certificate #: 11469. Lab Report reference # LI01-16450. This report must,^not be used by the client to claim product endorsement by NVLAP or NYS DDK ELAP or arjy agency of the US Government. This report relates only to the items listed. This certificate or, report shall not be reproduced except in full, without the v/ritten approval of the laboratory. laboratory, j I ^oi^table for results of analysis. ----- - o les'

ProjacFWiyager

ENVIRONMENTAL CONSULTING SERVICES

CITY_21MC100_003008147

NYC-WTC_000205568