Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9115,02 7:00:00 AM All' Associates Inc. ATC Group #: 8839 104 l=ast 25th Street Analysis Date: 9/16/02 New York NY 10010

Fax: (212) 353.3599 Phone: (212) 353-82SO

Project: DEP Cleaan-up Project #: 22906-0002 12 Cedar Street. New York. NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos .4rea Non Asbestos #Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.SN-S So (S/cc) (S/mm) ('S/cc,) Notes

37 - 2400.00 0.0450 0 CHRYSOTILE 0 I 0.0036 22.24 0.0036 SS39 -35

3S 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 SS39 -36

41 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 Y83$ -37

42 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 ,x'.V' t9 -ix

2400.00 0.0450 0 NoneDetected 0 U 0.0036 <22.24 <0.0036 Sti .39

44 181)0.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 SS 39 -40

4' 1800.00 0.0450 0 CHRYSOTILE I I 0.0048 44.48 0.0095 539 -41

46 1800.00 0.0450 0 CHRYSOTILE 2 I 0.0048 66.73 0.0143 -Yx39 -42

47 1500.00 0.0450 0 CHRYSOTILE 4 2 0.004S 133.45 0.0285 .)'S39 -43

ROMAN PEYSAKHOV MICHAEL A. GORYCKI. Ph.D

Analv.ed by Approved by

C~(J~ Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume coil/edb~yrio--/Iaboratory personnel. This tab'ifonly respons ble for data reported in structures/mm'. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim Droduct endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quality control data (including 95%

0 confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLM/T_M #101187-0. NY State ELAP #10879

Po,c' 5 of b

NYC-WTC 000129778