Air quality analysis report, 22 River Terrace, Sep 2001

NYC 9/11 Public Portal Document

SciLab Job #: 201092776 Page 2 of '3 Client Name: GCI Environmental Advisory, Inc. Phase Contrast Microscopy (PCM) Fiber Results NO1-B-4088; Rockrose Development Corp.; 41 River Terrace, New York, NY/Air Quality Flow Air Fiber Fibers SeiLab Client Date Rate Duration Filtered Density 2 Conc. Fields Fibers TWA Sample # Sample 4 / Location Collected (liters/min.} {min.) (liters) (Fibers/mm ) (Fibers/cc)

16 41- 9/22/01- 38 9/22/01 15 66 990 100 3 3.82 < 0.003 Room: Living Room / AQ 17 41-9/22/01-39 9/22/01 15 65 975 100 4 5.10 < 0.003 Room: Living Room 1 AQ 18 41-9/22/01-40 9/22/01 15 64 960 100 4 5.10 < 0.003 Room: Living Room! AQ 19 41-9/22101-41 9/22/01 15 63 945 100 5 6.37 < 0.003 Room: Living Room / AQ 20 41-9122/01-42 9/22101 15 62 930 100 3 3.82 < 0.003 Room: Living Room! AQ 21 41-9/22/01-43 9/22/01 15 70 1050 100 5 6.37 < 0.003 Room: Living Room I AQ 22 41-9/22/01-44 9/22/01 15 69 1035 100 4 5.10 < 0.003 Room: Living Room 1 AQ 23 II 41-9/22/01-45 9/22/01 15 68 1020 100 9 11.46 0.004

24 P ;, Room: Living Room / AQ 41-9/22101-46 9/22/01 15 67 1005 100 2 2.55 < 0.003 Room: Living Room / AQ 25 41-9/22/01-47 9/22/01 15 66 990 100 2 2.55 < 0.003 Room: Kitchen / AQ 26 41-9/22/01-48 9/22/01 15 65 975 100 3 3.82 < 0.003 Room: Living Room / AQ 27 41-9/22/01-49 9122/01 15 64 960 100 3 3.82 < 0.003 i, Room: Living Room / AQ 28 41 -9/22/0I -5O 9/22/01 15 63 945 100 4 5. 10 < 0.003 Room: Living Room I AQ 29 41-9/22/01-51 9/22/01 15 62 930 100 5 6.37 <0.003 Room: Living Room I AQ 30 41-9/22/01-52 9/22/01 15 61 915 100 2 2.55 < 0.003 iL i. Room: Living Room / AQ

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