NYC-WTC_000206730

NYC 9/11 Public Portal Document

WKP LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE contrast microscopy

CLIENT: WARREN 4 PANZER ENGINEERS. P-C. turnaround TiklE J4WRS WKP FILE # 501-01 SAMPLE OaTE 7/18«2 WKP LOG I O # Na2072!8, N0207269. a-W N0207260 RECEDED DATE MSTOi Coniract #■ WrCARS ANALYSIS DATE 7rtart2

REPORT DATE 7/19/02 CLIENT JOS: NYC Department of Environmanial Protection CLIENT JOB #; 1079.01.01 LOCATION $.W. Area/ Site Map ANALYSIS: AIRBORNE FIBER COUNTING, PHASE CONTRAST MiCROSCOPY, NIOSH 7400. NIOSH PAT Lab NO. 07186; NY COLLECTION DEVICE: 2S mm MCE Filter Cassette; Coilactlon Ares = 38S sq mm;

SAMPLE WERE collected BY: Warren and Parser EnginsBrs, P.C.

SUMMARY OF ANALYSIS CLIENT FIBERS/ FIBERS/ SAMPLE# Site# sample location Vol. sq mm cc

1079.01.01 001 27 Gaieway Piasa Perk Area 675 5.10 <0 004 002 31 South End Aye. and Albany street 675 1.30 <0.004 003 32 West Street and Albany Place 675 2.50 <0.004 tXM 33A Rector Place by the Park Place 675 1.30 <0.004 005 34 W, Thames SVeet • Along Waterfront 67S 5,10 <0.004 008 37 West of Third Place 675 3.ao <0.004 007 6 West Street and Warren Street 675 8.90 0.005 008 4 River Terrace and Chambers Street 675 6.40 <0.004 006 Sa River Terrace Park Ares Between Park Pisoe and Warren Street 675 10.20 0.006 010 6 River Terrace and Park Place West 675 5,10 <0.004 oil 17 River Terrace and Vesey 675 1.30 <0.004 012 7 Warren Seeet and North End Avenue S7S 6.90 0.005 013 10 North End Avenue Park, uisco West 676 S9Q 0.005 014 29 Trinity Place and Thames Street S75 6.40 <0 004 01$ 21 Fulton end Church Street 675 8.30 0.005 016 20A Vasey Street and West Broadway 875 5.10 <0.004 017 16 Park place and Church Street 675 12 70 0.007 018 12 Murray Street and Church Street 675 5.10 <0.004 019 IS Park Place and Graenwich Street 675 10.2Q 0.006 020 11 Murray Street and Greenwich Street 675 12.10 0,007 021 Flald Blank 0.00 022 Field Blank O.OO

NOTES: 1,5 5 fibersIlOO Helds was used te calculate toe limit of dataedon (LOO). 2, SamplsB were not ooHactad by WKP Lsboratories, lit, 3. The Federal ERA Clearance Critical following an asbestos abatement project is O Jiu libers/cc. 4. PCM air samples win be disposed of after 5 months unlass aihenvise directed by client in writing.

o David Mullnkandov -------- laISORATBRVaFAlYST LABDtLItORY DiRgClOR

CITY_21MC100_011086743

NYC-WTC_000206730