NYC 9/11 Public Portal Document
Sample Sample Name Last 4 #'s Duration
Result f/cc
Date Number Last, First of SS# IType of Activity (min.)
02/19/02 02P Sachowski, David entire building access 30 0.1275
02/19/02 04P Sachowski, David entire building access 120 0.0120
02/19/02 10P Sachowski, David entire building access 120 0.0145
02/19/02 14P Sachov ki, David entire building access 220 0.0139
Total Duration Sampled (min.) 490
Short Term Exposure Limit (STEL) 0.1275
8 hr. Time Weighted Average (TWA) 0.0210
02/19/02 OIP Lewis, Leonard entire building access 30 0.0850
02/19/02 03P Lewis, Leonard entire building access 120 0.0177
02/19/02 09P Lewis, Leonard entire building access 120 0.0175
02/19/02 13P Lewis, Leonard entire building access 220 0.0124
[1 PII Total Duration Sampled (min.)
Short Term Exposure Limit (STEL)
490
0.0850
8 hr. Time Weighted Average (TWA) 0.0198
02/19/02 05P Soto, Victor Windows Delivery, Floors 18 - 22 30 0.0654
02/19/02 07P Soto, Victor Windows Delivery, Floors 18 - 22 120 0.0149
02/19/02 11P Soto, Victor Windows Delivery—Floors 18 - 22 150 0.0159
C] Total Duration Sampled (min.) 300
Short Term Exposure Limit (STEL) 0.0654
8 hr. Time Weighted Average (TWA) 0.0128
02/19/02 06P Carlsen, Michael Windows Delivery, Floors 18 - 22 30 0.0490
02/19/02 08P Carlsen, Michael Windows Delivery, Floors 18 - 22 120 0.0155
02/19/02 12P Carlsen, Michael Windows Delivery, Floors 18 - 22 150 0.0132
Total Duration Sampled (min.) 300
Short Term Exposure Limit (STEL) 0.0490
8 hr. Time Weighted Average (TWA) 0.0111
(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.
S.
NYC-WTC 000103505
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