NYC-WTC_000094783
CENTRAL ENVI
RONMENTAL INC.
CLIENT.
91 McClellan Street, Bronx, NY 10452
Tel: (718) 293-8727; Fax: (718) 992-4300
AIR MONITORING DATA / CHAIN OF CUSTODY FORM
CHLANG BROS & CO, INC. PHASE: AIR QUALITY TEST (AMBIENT) DATE: 10/16/2001
PROJECT ADDRESS:
99 WALL STREET, NEW YORK , NY PROJECT LOCATION: 24™ ELOOR (TRADE WARE CORP)
TECHNICIAN:
AUGUSTINE UWAGBOE JOB #: O1/ 94
Samp.
#
Sample Location Flow | Flow | Time On | Time Off | Total | Total Fiber Fiber/
In Out vol. Count cc
01
FRONT DESK CLOSE TO ELEVATOR 15 15 1906 2020 74 1110 3 <.001
02
1ST ROOM ON LEFT SIDE WINDOW 15 15 1908 2021 73 1095 5 <.002
03
CONFERENCE ROOM - WINDOW BY FRONT STREET 15 15 1909 2021 72 1080 4 <.002
04
F.B. - - - - - - 0 0.000
DATE TIME
ANALYZED BY:
_ (ol 24 9)
APPROVED BY:
NYC 9/11 Public Portal Document
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000094783Source: NYC Law Department, mirrored locally
Laboratory report from WKP Laboratories detailing phase contrast microscopy results for airborne fiber counting at the World Trade Center sampling site.