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Asbestos exposure levels data sheet

Machine-extracted title · confidence 95%

Data sheet listing permissible exposure levels (PEL) for asbestos adopted by various agencies.

NYC-WTC_000094739–000094748

Folder label: “67 WALL STREET Block: 27 Lot: 17

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NYC 9/11 Public Portal Document

ENVIRO-PROBE, INC. 2917 Bruckner Boulevard - Bronx, New York 10461 Phone: (718) 863-0045 - Fax: (718) 518-7454

BULK MATERIAL ANALYSIS FOR ASBESTOS

TEST METHOD - POLARIZED LIGHT MICROSCOPY - EPA/600/R-93/116, July 1993 NATIONAL VOLUNTARY LABORATORY ACCREDITATION PROGRAM LAB ID# 101222 NEW YORK STATE ENVIRONMENTAL LABORATORY APPROVAL PROGRAM LAB ID# 10898

DATE SUBMITTED: 9/24/01 CLIENT NAME Central Env. Services DATE ANALYZED: 9/24/01 COMPANY DATE REPORTED: 9/26/01

ADDRESS LAB FILE # 23312 CITY,STATE, ZIP ANALYST S. K Dewan

1. SAMPLING LOCATION 67/89 Wall St., NY. Various Floors 19 20 21 22 23 24 2. CLIENT'S ID# 3. LAB ID# B01- 20291 20292 20293 20294 20295 20296

4. STEREO-MICROSCOPIC EXAMINATION 1. HOMOGENEOUS (Y/N) N N N N N N 2. COLOR 1&4 1&4 1&4 1&4 1&4 1&4 1. WHITE 2. BROWN 3. GRAY 4. OTHERS ~ p

5. ASBESTOS DETECTED(YES/NO) " •~ •••• •'" lu ll {}.::::: : iii .:vn. uuluulull II 11111111 III I I II :: `,iii~iii~::'i: I I I ~{~ ' ::~{•:,S{v::i :i;: ii:, 11111 ,,,Sti•'•::. •x::.v 11 11111 1 II 11111 :.. L

6. ASBESTOS PERCENTAGE MOSITE :':....,.iii:..;L.i}}::: <.:;:}.<~:..... ........ .:.::., ..r ..:......:..,,.:.:..:. ..:::.............,,.. . ..., 2. CHRYSOTILE ~i<iiii i?iiii: •' ry::::i•:::i:::.>.?i::r•{ iIn•.~ i':::+d: II I

::}f. sKTm{L;{> 3. CROCIDOLITE ::.,v: ..:. •?i. +i\:•, ~:i::x: iti~':•::::.:..; vo.•.,4... ':ni`:vv'i,:: . '~b':TLLx,:r....•.' ' •. :~{.`;:.'.• .,... •: v:, nv i'~ >i:iii:ti::i v ...::.vv::. ,•::

•}:.•.>.,, liii -.:..::.,.. S ::Litt<ii::i~:•:v::iit: •:: 4. OTHERS ~>:5#>'•:; > .} :.,::.;••} : iii ::

7. TOTAL ASBESTOS PERCENTAGE ... .. .. ... . ... . ... . ...... .... . . . .. .

8. PERCENTAGE - OTHER FIBROUS MATERIALS 1. CELLULOSE 2. FIBROUS GLASS 25 30 15 20 20 25 3. OTHERS 15 15 20 25 20 15 9. NON-FIBROUS MATERIALS 1. CARBONATES 15 20 15 15 20 10 2. SILICATES 10 10 15 10 10 15 3. OTHERS 35 25 35 30 30 35 10. TOTAL 100 100 100 100 100 100 This report shall not be reproduced•except in full, without the written approval of the laboratory. For quantitation purposes 1% is the concentration at which there is an uncertainty These results apply to thesehis parlicularsamples/sample o This report is not endorsed by NVLAP or any other U.S. Government Agency .._. Traces= <1% LAB DIRECTORISU RVISOR'S SIGNATURE

NYC-WTC 000094744

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NYC-WTC_000094744Source: NYC Law Department, mirrored locally

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