Environmental record cover sheet, 333 Rector Place

NYC 9/11 Public Portal Document

SciLab Job #: 201093082 Page 1 of 9 Client Name: GC[ 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 Density 2 Fields Fibers Conc. TWA Sample # Sample # / Location Collected (liters/min.) (min.) (liters) (Fibers/mm ) (Fibers/cc)

01 333-9/25-001 9/25/01 15 100 1500 100 2 2.55 < 0.002 Apt. ;oom Kitchen (AQ) 02 333-9/25-002 9/25/01 15 100 1500 100 7 8.92 0.002 Apt.! ioom Kitchen (AQ) 03 333-9125-003 9/25/01 15 100 1500 100 5 6.37 < 0.002 Apt.; doom Kitchen (AQ) 04 333-9/25-004 9/25/01 15 100 1500 100 4 5.10 < 0.002 Apt.1 loom Kitchen (AQ) 05 333-9/25-005 9/25/01 15 100 1500 100 3 3.82 < 0.002 Apt.; :oom Kitchen (AQ) 06 ; P11 ; 333-9/25-006 9/25/01 15 100 1500 100 7 8.92 0.002 Apt.; poom Kitchen (AQ) 07 333-9/25-007 9/25/01 15 100 1500 100 4 5. 10 <0.002 Apt.; koom Kitchen (AQ) 08 333-9/25-008 9/25/01 15 100 1500 100 3 3.82 < 0.002 Apt.; doom Kitchen (AQ) 09 333-9/25-009 9/25/01 15 100 1500 100 2 2.55 < 0.002 Apt. Zoom Kitchen (AQ) 10 333-9/25-010 9/25/01 15 100 1500 100 4 5.10 < 0.002 Apt.; Zoom Kitchen (AQ) 11 333-9/25-011 9/25/01 0 0 0 100 0.5 0.64 Blank Footnotes: 1

NYC-WTC 000120617