Chain of custody for unit ventilator lead wipe samples

NYC 9/11 Public Portal Document

ATC Associates 5 104 East 25 Street, New York,NY 10010 M Phone:(212)353-8280 Fax:(212) 353-8306

S. Attn: Taylor Evironmental Group Received: 8/30/02 ATC Group #: 8793 Analysis Date: 8/30102 9:15:00 PM

Fax: (516)358-1780 Phone:

Project: NYC SCA Project #_ M477-!5217-29881 Stuyvesant H. S-, Chembers Street, NY,NY-

Ii Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AN8'_R A) II Area Non Asbestos # Structures Analytical Sensitivity Asbestos Concentration Sample Volume Analyzed Ash Type(s) u5/L5 5p (S/cc) (S/mm) (S/cc) Notes

LT-1 1368.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 6793 -1

LT-2 1368.00 0.0674 0 None Detected 0 0 0,0042 < 14.83 <0.0042 8793 -2

LT-3 1350.00 0.0674 0 None Detected 0 0 0.0042 < 14.83 <0.0042 $793 -3

LT-d• 1350.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042

5 8793 -4

LT-5 1312.50 0.0674 0 None Detected 0 0 0.0043 <14.83 <0.0043

r

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV r

Analyzed by: Approved by:

D19daimer. The laboratory not responsible fordata reported in sbucturWec, which Is dependent is on

volume collected by non-laboratory personnel. This lab onM responsible is

for date reported in sirtretures/mrn . This report may not be reproduced, except in full, wntlout wrion approval by ATC Associates Inc. This report may not be used to daim (including 95% product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. quality control data confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLMlrEM #101187-0, NY Slate ELAP #10879

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