NYC 9/11 Public Portal Document
DEC-13-01 THU 06:58 PM AMBIENT GROUP INC FAX NO, 212 768 1540 P. 11
ambient labs inc. 159 West 25th Street
New York, NY 10001 ELAP
#10865
REPORT OF AIR SAMPLE ANALYSIS
BY TRANSMISSION
ELECTRON MICROSCOPY
Project II]: 0211338
Client Name: Cushman & Wakefield, Inc
Project Name : One North End Avenue
Field ID : 64454
Sample ID: AEM990 11887
'7 fk Date Received : 1219101
Sample Description : c
Rovr' S G1
Filter Composition ;
Porosity: 0.45 micron Flit Lot # :
Filter Diameter: 25 mm Effective Filter Area: 385 mrrf
Air Volume: 1890 Itr
Total Filter Area Analyzed : 0.0450
mm2
# Grid Openings; 5 Avg Grid Opening Area :0.0090
mm~ Grid Lot #: 4083
Analytical Sensitivity : 0,0045 asbestos
-struct/cm3
Number of Asbestos Number of Structure Types:
Structures :
LENGTH FIBER
Chrysotile : 0 0.5 urn <L < 5 um CLUSTER MATRIX BUNDLE
Amphibole: 0 L > 5 urn
A: TOTAL CHRYSOTILE
STRUCTURE CONCENTRATION: LT
B: TOTAL AMPHIBOLE STUCTURE ANYL SENS s~cture/c p
TANYLSENS
CONCENTRATION:
C: TOTAL ASBESTOS STUCTURE (A+B) ture/crr
CONCENTRATION . LT ANYL SENS
structure/crrp
AS
IN AIR LT ANYL SENS
structurelcrrP
ON FILTER LT ANYL SENS
structure/mm 2
ev a-ro9rapn Iu # for Reported Structures:
Reported for Ambient Labs Inc. by:
INNA NURIK Analysis Date: 1219/01
Environmental Analyst
- overloaded, NA - Analyzed
12/13/01 THU 19:00 [T%/R% NO 8798]
NYC-WTC 000097641
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