NYC-WTC_000187540

NYC 9/11 Public Portal Document

Kelpih, Gerry From: Fox. Janet R Sent; Tuesday, September 18, 2001 9:51 AM . To: '[email protected]'; '[email protected],state.ny.us'; '[email protected]'; '[email protected]'; '[email protected]';'[email protected]'; '[email protected]': '[email protected]'; '[email protected]'; '[email protected]'; '[email protected]'; '[email protected]' Cc: Louie, Eddy; Chang, Angel Subject: FW: asb wtc

DATA SUMMARY as of 9/18/01 7:15 am.

On September 11, Con Edison EHS Department initiated a Sampling Plan for asbestos bulk sampling, area monitoring and persoimel monitoring. Sampling and analysis is being performed by our company lab and outside labs, ATC, Air Tech and Sci-Lab under the direction of the Industrial Hygienists of Corporate EHS.

The following is a summary of the data to date:

Bulk Sample results: 36 samples taken samples range from ND.to 1.5 % asbestos 34 samples < then 1.0% asbestos 2 > 1 % asbestos were 1.3% and 1.5% samples > 1.0 % located at West St. and Watt and West St. south of Vessy St.

Area Samples: 15 samples taken sample range from<0.01 to 0,232f/cc sample duration from 30 to 208 minutes 7 of 22 Samples > O.OIf/cc 1 of 7 Samples > 0.01 was 0.232 f/cc (PCM) TEM on this sample was 0.223 s/cc 7 of 22 Samples at 0.01 8 of 22 Samples at < 0.01 all area samples from 9/17/01 . are < 0.01 f/cc (PCM)

Personal Samples: 192 samples taken sample range from <0.01 to 2.114 f/cc (PCM) sample duration from 30 to 335minutes 144 samples of 192 were < 0.1 f/c (PCM) 48 samples of 192 were >0.1 f/cc (PCM) 1 sample >1.0 f/cc was 2.114 f/cc (PCM) elevated levels >0.1f/cc for work: o walking - 0.03 to 0.66 f/cc o pulling cable - 0.1 to 2.114 f/cc o turning valves - 0.032 to 0.359 f/cc o cut/cap gas main - 0.026 to .131 f/cc

CITY_21MC100_002953146

NYC-WTC_000187540