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← Document results/DEP Box 36/20 DEY STREET Block: 80 Lot: 4 BIN: 1075702 Millenium Hiton, 41-51 Church St, 172-184 Fulton St
Document / 163 pages

Air sampling correspondence, 20 Dey Street, Feb 2002

Machine-extracted title · confidence 85%

Cover letter dated February 22, 2002 from LMB Inc. regarding air sampling activities at 20 Dey Street and surrounding addresses.

NYC-WTC_000103723–000103885

Folder label: “20 DEY STREET Block: 80 Lot: 4 BIN: 1075702 Millenium Hiton, 41-51 Church St, 172-184 Fulton St

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NYC 9/11 Public Portal Document Iri lT c\! Millenium Hilton Hotel Sample Sample Name Last 4 #'s Duration Date Number Last, First of SS# Type of Activity Result f/cc (min.) 02/14/02 1 McTough, Danny 2086 scaffold entire 30 0.0360 02/14/02 5 McTough, Danny 2086 scaffold entire 300 0.0047 Total Duration Sampled (min.) 330 Short Term Exposure Limit (STEL) 0.0360 8 hr. Time Weighted Average (TWA) 0.0052 02/14/02 2 Byine, R. 0599 scaffold entire 30 0.0360 02/14/02 6 Byine, R. 0599 scaffold entire 300 0.0108 Total Duration Sampled (min.) 330 Short Term Exposure Limit (STEL) 0.0360 8 hr. Time Weighted Average (TWA) 0.0090 02/14/02 3 Soto, Victor 3393 glass delivery 30 0.0360 02/14/02 7 Soto, Victor 3393 glass delivery 178 0.0077 02/14/02 9 Soto, Victor 3393 glass delivery 180 0.0195 Total Duration Sampled (min.) 388 Short Term Exposure Limit (STEL) 0.0360 8 hr. Time Weighted Average (TWA) 0.0124 02/14/02 4 Carlsen, Michael 3308 glass delivery 30 0.0392 02/14/02 8 Carlsen, Michael 3308 glass delivery 178 0.0154 02/14/02 10 Carlsen, Michael 3308 glass delivery 180 0.0782 Total Duration Sampled (min.) 388 Short Term Exposure Limit (STEL) 0.0392 8 hr. Time Weighted Average (TWA) 0.0375 (c) Permissible exposure limits (PELS)

(c)(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 centimeter 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 by an equivalent method.

(c)(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 centimeter 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 by an equivalent method.

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NYC-WTC 000103872

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NYC-WTC_000103872Source: NYC Law Department, mirrored locally

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