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Air monitoring report for Phase Contrast Microscopy analysis, Sept 2001

Machine-extracted title · confidence 93%

Laboratory report from KAM Consultants detailing phase contrast microscopy results of air filters collected for DCAS.

NYC-WTC_000178174–000178181
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Z Z KAM CONSULTANTS ■<

o 35-40 38th Street o

kana. co g Long Island City o New York, 11106 I “0 o o Tel: 718 729-1997 c CT o Fax: 718 729-1876 o' 00 "0 ANALYSIS REPORT o 00 o CD ASBESTOS IN AIR Transmission Electron Microscopy 0 O O c 3 CLIENT: NYC-DCAS, 1 Centre Street, NY, NY o 3 PROJECT ADDRESS: 253 Broadway, NY, NY - 3rd Floor (Rm # 302 & 303) Lab ID# Client Sample Location Volume Grid Filter Analytical Asbestos Asbestos Structures Detected Structure Density Structure Sample (liters) Openings Area Sensitivity Type(s) (microns) (struc/mm^) Total Concentration ID# Examined (mm^) (struct/cc air) (struc/cc) 0.5-5 0 >5.0 Total Total

TOllOllB-1 1 S Side Conference Room 1200 7 385 0.0046 ND 0 0 0 14.3 <0.0046

TOllOllB-2 2 West Side Office 1200 7 385 0.0046 ND 0 0 0 14.3 <0.0046

TOllOllB-3 3 North Side Hallway 1200 7 385 0.0046 ND 0 0 0 14.3 <0.0046

TOllOltB-4 4 SW Hallway 1200 7 385 0.0046 ND 0 0 0 <14.3 <0.0046

TOllOllB-5 5 Reception Room 1200 7 385 0.0046 ND 0 0 0 14.3 <0.0046

TOllOllB-6 6 Hallway facing South 1200 7 385 0.0046 ND 0 0 0 14.3 <0.0046

TOllOllB-7 7 South Side Hallway 1200 7 385 0.0046 ND 0 0 0 <14.3 <0.0046

TOllOllB-8 8 Inside Custodian Rm 303 1200 7 385 0.0046 ND 0 0 0 < 14.3 <0.0046

TOllOllB-9 9 Field Blank N/A 10 385 N/A ND 0 0 0 10.0 N/A

TOllOllB-10 10 Field Blank N/A 10 385 N/A ND 0 0 0 < 10.0 N/A

Area Analyzed: 0.0700 mm^ Date Received: 10/11/01 o Grid Opening Area: 0.010 mm’ Date Analyzed: 10/11/01 Date Collected: 10/10/01 Date of Report: 10/11/01 Analyst: /- . u a [Is Lab Manai 1 ' Alex Barengolts J David Chen

S Analysis performed according to AHERA Method (EPA 40 CFR Part 763 - Appendix A).Samples will be stored for ninety (90) days and then returned to the client upon request. O Sample volume is below recommended limit of the method AIHA#; 100269 NIST-NVLAP # : 102047 NYS-DOH ELAP#; 11273 o o I o

co co

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NYC-WTC_000178180Source: NYC Law Department, mirrored locally

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