NYC 9/11 Public Portal Document
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Sample Sample Name Last 4 #'s Duration
Result f/cc
Date Number Last, First of SS# IType of Activity (min.)
02/15/02 01P Sachowski, David 8859 entire building access 30 0.0360
02/15/02 03P Sachowski, David 8859 entire building access 130 0.0083
02/15/02 08P Sachowski, David 8859 entire building access 130 0.0086
02/15/02 11P Sachowski, David 8859 entire building access 160 0.0067
Total Duration Sampled (min.) 450
Short Term Exposure Limit (STEL) 0.0360
8 hr. Time Weighted Average (TWA) 0.0091
02/15/02 02P Lewis, Leonard 6282 entire building access 30 0.0360
02/15/02 04P Lewis, Leonard 6282 entire building access 130 0.0083
02/15/02 07P Lewis, Leonard 6282 entire building access 130 0.0086
02/15/02 10P Lewis, Leonard 6282 entire building access 160 0.0067
Total Duration Sampled (min.) 450
Short Term Exposure Limit (STEL) 0.0360
8 hr. Time Weighted Average (TWA) 0.0091
02/15/02 05P Soto, Victor 3393 Windows, entire building, Delivery 30 0.0360
02/15/02 06P Soto, Victor 3393 Windows, entire building, Delivery 120 0.0094
02/15/02 09P Soto, Victor 3393 Windows, entire building, Delivery 180 0.0060
Total Duration Sampled (min.) 330
Short Term Exposure Limit (STEL) 0.0360
8 hr. Time Weighted Average (TWA) 0.0069
02/15/02 04 Carlsen, Michael 3308 14-22nd Floor 30 0.0360
02/15/02 05 Carlsen, Michael 3308 14-22nd Floor 120 0.0135
02/15/02 09 Carlsen, Michael 3308 14-22nd Floor 180 0.0062
Total Duration Sampled (min.) 330
Short Term Exposure Limit (STEL) 0.0360
8 hr. Time Weighted Average (TWA) 0.0080
02/15/02 01 McTough, Danny 2086 scaffold entire 180 0.0060
02/15/02 06 McTough, Danny • 2086 scaffold entire 200 0.0056
Total Duration Sampled (min.) 380
8 hr. Time Weighted Average (TWA) 0.0046
02/15/02 02 Hughus, J. 5049 scaffold entire 180 0.0060
02/15/02 07 Hughus, J. 5049 scaffold entire 200 0.0056
Total Duration Sampled (min.) 380
8 hr. Time Weighted Average (TWA) 0.0046
02/15/02 03 Byine, R. 0599 scaffold entire 180 0.0060
02/15/02 08 Byine, R. 0599 scaffold entire 200 0.0056
Total Duration Sampled (min.) 380
8 hr. Time Weighted Average (TWA) 0.0046
02/15/02 10 Millan, J. 0071 entire building access 180 0.0060
Total Duration Sampled (min.) 180
8 hr. Time Weighted Average (TWA) 0.0023
(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.
NYC-WTC 000103874
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