NYC-WTC_000219982

NYC 9/11 Public Portal Document

SciLabJob#: 201092729 Page I of 3 Client Name; Hygienetics Environmental, Inc. Phase Contrast Microscopy (PCM) Fiber Results 2060.035; Stellar Management Flow Air Fiber Fibers o SciLab Client Dale Rate Duration Fillered Cone. Fields Fibers Density TWA CL Sample # Sample # / Location Collected (Fibers/mm^ ) (Fibcrs/cc) (litcra/min.) (min.) (liters) 01 9210I85I-1 9/21/01 10 80 BOO too 22 28.03 Q.on Norih Corner, 8ih Floor 02 92101851-2 9/21/01 9.S 82 779 100 10 12.74 0.006 tn Soulheasi Comer, 8lh Floor GJ 03 92101851-3 9/21/01 9.3 77 731.5 100 20 25.48 0.013 OJ Northwest Corner, Sth Floor a 04 92101851-4 9/21/01 7.5 77 577.5 100 3 3.82 < 0.005 Southwest Comer. 8ih Floor r*4 05 92101851-5 9/21/01 10 77 770 100 6 7.64 0.004 fn Cbmer Next to Elevator. Sth Floor P 06 92101851-6 §61 Southwest Comer. 7th Floor 9/21/01 10 90 900 100 2 2.55 <0.003

07 92101851-7 9/21/01 IO 90 900 100 3 3.82 < 0.001 Northwesi Comer, 7(h Plnnr 08 92101851-8 9/21/01 10 85 850 100 8 10.19 o.ons

I a 09 Soulheasi Comer. 7H, Floor 92101851-9 Nanhcasl Comer, 7ih Floor 9/21/01 10 85 850 100 7 8.92 0.004

u. 10 i 11 92101851-10 Al Elevator Doors. 7lh Floor 9/21/01 10 84 840 100 6 7.64 0.004

hi 92101851-11 9/21/01 10 70 760 100 8 10.19 0.005 Northwest Comer, Sth Floor £ 12 92101851-12 9/21/01 10 72 720 100 7 8.92 0.003 Souihwcsl Comer. 51h Floor o H

8 So rsi 13

14 92101851-13 Northeast Comer, 7th Floor 92101851-14 Northwest Comer, 5lh Floor 9/21/01

9/21/01 cto 70

72 665

720 100

100 9

6.5 11.46

8.28 0.007

0.004

Ri IS 92101851-15 9/21/01 10 71 710 100 4 5.10 <0.004

?»■ Center At Elevator. 51h Floor

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NYC-WTC_000219982