NYC-WTC_000229706

NYC 9/11 Public Portal Document ------ 1 II ICO! VVCkU LMDk>rWIUrMCO, I I La Environmental Laboratory 11 47 Hudson Street, Ossining, New iuik 10562 Confidential NVSELAP# 111*2 NVLAP » zeooanj AIHAS 100147

Transmission Electron Microscopy Results Client: Bovis Lf rid Lease Project#; MBO-025AB 200 Park .Avenue New York, New York Date Collected; 09/30/01 Date Rec’d (lab); 10/01/01 Sample Location: The Millenium Hilton Hotel Analysis Date; 10/08/01 55 Church Street TEM Analyst: D. McCarl New York. New York Analytical Method: AHERA EPA40 CFR Part 763 Field Technician: M. Sokolonskiy/0. Kolendenkov

Filter Type • MCE 0.45 micron Avg.Grid Opening: 0.0121mm’

Grid Lab Number Volume Coll, Grid Area Countable Asb. Concentration Concentration Sample #: Sample Location: Openings 01TEM# (liters) Analyzed Structures Structures/mm* Structures/cc Analyzed

26-1 North Side of Corridor 3536 1300,0 6 0.073 6 82.64 „ 0.024

26-2 In the Center of Corridor 3537 1300.0 6 0.073 8 110,19 vz- 0.033

26-3 South Side of Corridor 3538 1300.0 6 0.073 15 206.61 0.061

25-1 North Side of Corridor 3539 1300.0 6 0.073 6 68.87 0.020

25-2 In the Center of Corridor 3540 1300.0 6 0.073 Overloaded N/A N/A

25-3 South Side of Corridor 3541 1300.0 6 0.073 4 55.10 0.016

24-1 North Side of Corridor 3542 1300.0 6 0.073 10 137.74 tz 0.041

24-2 In the Center of Corridor 3543 1300.0 6 0.073 12 165.29 0.049

24-3 South Side of Corridor 3544 1300.0 6 0.073 9 123.97 tz 0.037

17-1 North Side of Corridor 3545 1300.0 6 0.073 7 96.42 0.029

17-2 In the Center of Corridor 3546 1300.0 6 0.073 11 151.52 / 0.045

17-3 South Side of Corridor 3547 1300.0 6 0.073 4 55.10 0.016

Structures/mm’ Structures/cc [Total Average Concentrations 113.95 0.03

This report is the confidential property of our dienls. This certificate of anaiysis/report shall not be used by the client to daim product endorsement by the National Voluntary Laboratory Approval Program (NVLAP) or any agency of the United Slates Government. The laboratory has no control over air sampling collection. This certiricate of anaiysis/report shall not reproduced in ful. without the written approval of Teslwelt Laboratories, Inc, Copyright C 2001 Testwell Laboratories. Inc.

CONFIDENTIAL, SUBJECTTO PROTECTIVE ORDER NO. 1, JAN. 2013 CITY_DEP_WORBY_CANNATA_SUBP_000000664

NYC-WTC_000229706