SciLab Job #: 201101016 Page 1 of 1
Client Name: GCI Environmental Advisory, Inc.
Phase Contrast Microscopy (PCM) Fiber Results
NO1-B4087; Rockrose Development Corp.; 333 Rector Place NYC
Flow Air Fiber Fibers
SciLab Client Date Rate Duration Filtered Fields Fibers Density Conc. TWA
Sample # Sample # / Location Collected (liters/min.) (min.) 2
(liters) (Fibers/mm ) (Fibers/cc)
01 333-9/26-01 9126/01 15 65 975 100 2.5 3.18 <0.003
Apt; P1! Hallway AQ
02 333-9/26-02 9/26/01 0 0 0 100 0.5 0.64
Field Blank Footnotes: I
Reporting Notes: ,r
(1) Fibers/cc cannot be calcul d 1 s m les (or bta s ~Yith no air volume.
Analyzed by: Tatyana Grimchak ' ; Date Analyzed: 10/1/01
•NAD/NSD = no asbestos detected: A = not analyzed; NVLAP Lab #200546-0: New York samples (NYSDOI1 ELAP Lab # 11480); National Institute of Standards and Technology Accreditation requirements mandate that this report must not be
reproduced except in full without the approval of the laboratory. AIIIA # 102843.
N
NYC-WTC 000120627
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000120627Source: NYC Law Department, mirrored locally