NYC 9/11 Public Portal Document
TESTWELL LABORATORIES, INC.
LL Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
UYS ELAP 11142
r:YLAP#2c0083.3
AIHA S 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 02/12/02
Date Rec'd (lab): 02/13/02
Project #: MBO-025AB Analysis Date: 02/13/02
Analyst: D. Agarest
Sample Location:The Millenium Hilton
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Field Technician: K. Laverenko/S. Manukov
Sample Work Duration Concentration
Sample #: Sample Location: 02PCM # Volume
Type Location (min.) f/cc
Personal Entire
17Pers 2617 344 160 0.0093
Building
20 Blank Blank N/A 2620 0 0 N/A
21 Blank Blank N/A 2621 0 0 N/A
Total Duration Sampled (min.) 160
Short Term Exposure Limit (STEL) 0.009?
8 hr. Time Weighted Average (TWA) 0.0031
(c) Permissible exposure limits (PEES)
(2) Excursion limit The employer shall ensure that no employee is exposed to an airborne concentration of asbestos in excess of 1.0 fiber per cubic
itimeter of air (1 f/cc) as averaged over a sampling period of thirty (30) minutes, as determined by the method prescribed in Appendix A to this section, or
an equivalent method.
(2) Excursion limit. The employer shall ensure that no employee is expcsed to an airborne concentration of asbestos in excess of 1.0 fiber per cubic
itimeter of air (1 f/cc) as averaged over a sampling period of thirty (20) minutes, as determined by the method prescribed in Appendix A to this section, cr
an equivalent method.
•
HEPA
` Limit of quantitation based on volume of air collected and 5.5 f/100 fields as per the NIOSH 7400 method. The report value is
calculated by using the higher value of either the actual concentration or the limit of quantification reported at P(0.05) indicating the 95%
confidence level at 2 standard deviations. " Sample information is provided by the client & presented as stated. "' Laboratory QC
data available upon request. "'• The laboratory has no control over air sampling collection. Reports are the confidential property of our
clients. This certificate of analysis/report shall not be used by the client to claim product endorsement by the National Voluntary
Laboratory Approval Program (NVLAP) or any agency of the United States Government. This certificate of analysis/report shall not be
reproduced except in full, without the written approval of Testwell Laboratories, Inc.
• Deborah McCarf - Laboratory Director
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NYC-WTC 000103601
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