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Air monitoring TEM analysis, 51 Harrison, Nov 2001

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Transmission electron microscopy air monitoring report for asbestos analysis at townhouses, November 2001.

NYC-WTC_000108315–000108366

Folder label: “51 HARRISON STREET; Block: 142 Lot: 50 BIN: Independence Plaza

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NYC 9/11 Public Portal Document

C COMMERCIAL LAB ENTERPRISE • L 270 Swinton Avenue, Bronx, New York 10465 'Ji (718) 792-2832

E

Duane Street Associates do Hudson River Management LLC., 40 Harrison Street New York, NY. 10013 Attn.: Ms. Deborah Dolan.

File #: 01231-T.

Project: Townhouses — 51 Harrison Street, New York, NY. Location: Inside apartments. Samples collected on: November 6, 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 II.

Sample #: Location: Flow Rate Time of test. Duration Volume Results (Its/min) (minutes) (liters) Fibers/cc ON OFF ON OFF

Apartment #PII fig ; P11 3 Family. 631 By staircase landing area. 10.0 10.0 8:15am — 10:20am 125 1250

632 By windows area. 10.0 10.0 8:16am — 10:22am 126 1260 *** Apartment C211 _: -Pii _ Family. RRR 633 By staircase landing area. 10.0 10.0 8:35am — 10:35am 120 1200

634 By windows area. 10.0 10.0 8:36am — 10:37am 121 1210

TEM air samples were analyzed by EMSL Analytical, Inc.; accredited for NVLAP TEM # 101048-10; NYS DOH ELAP Certificate #: 11469. Lab Report reference # 030107554. This report md'st' not be used by the client to claim product endorsement by NVLAP or NYS DOH ELAP pr ai)y ency of the US Government. This report relates only to the items listed. This certifi t. ~-p4rt shall not be reproduced except in full, without the written approval of the

$eeA4bIriatpry/table for results of analysis.

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ENVIRONMENTAL. CONSULTING SERVICES

NYC-WTC 000108323

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NYC-WTC_000108323Source: NYC Law Department, mirrored locally

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