Environmental record cover sheet, 333 Rector Place

NYC 9/11 Public Portal Document

SciLab Job #: 201093082 Page 4 of 9 Client Name: GCI Environmental Advisory, Inc. Phase Contrast Microscopy (PCM) Fiber Results N01-B4087; Rockrose Development Corp.; 333 Rector Place, NYC (Various Floors) Flow Air Fiber Fibers SciLab Client Date Rate Duration Filtered Fields Fibers Density Cone. TWA Sample # Sample #1 Location Collected (liters/min.) (min.) (liters) (Fibers/mm 2 ) (Fibers/cc) 40 333-9/25-040 9/25/01 0 0 0 100 0.5 0.64 Blank Footnotes: 1 41 333-9/25-041 9/25/01 0 0 0 100 0.5 0.64 Blank Footnotes: 1 42 333-9/25-042 9/25/01 15 80 1200 100 3 3.82 < 0.002 Apt ;Room Kitchen (AQ) 43 333-9/25-043 9/25/01 15 80 1200 100 4 5.10 < 0.002 Apt; ;Room Kitchen (AQ) 44 333-9/25-044 9/25/01 15 80 1200 100 6 7.64 0.002 Apt; Room Kitchen (AQ) 45 333-9/25-045 9/25/01 15 80 1200 100 4 5.10 < 0.002 Apt; RRoom Kitchen (AQ) 46 333-9/25-046 9/25/01 15 80 1200 100 3 3.82 < 0.002 Aptj ;Room Kitchen (AQ) 47 333-9/25-047 9/25/01 15 80 1200 100 18 22.93 0.007 Apt; i Room Kitchen (AQ) 48 333-9/25-048 9/25/01 IS 80 1200 100 4 5.10 < 0.002 Apt: P11 Room Kitchen (AQ) 49 333-9/25-049 9/25/01 15 70 1050 100 6 7.64 0.003 Apt; ! Room Kitchen (AQ) 50 333-9/25-050 9/25/01 1.5 70 1050 100 4 5.10 < 0.003 Apt! Room Kitchen (AQ) 51 333-9/25-051 9/25/01 15 70 1050 NA Apt; ;Room Kitchen (AQ) Footnotes: 2 52 333-9/25-052 9/25/01 15 70 1050 100 49 62.42 0.023 Apt; Room Kitchen (AQ) 53 333-9/25-053 9/25/01 15 70 1050 100 7 8.92 0.003 Apt: Room Kitchen (AQ) 54 333-9/25-054 9/25/01 15 70 1050 100 5 6.37 < 0.003 Apt___ Room Kitchen (AQ)

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