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OSHA air sample results chain of custody, 55 Church Street

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Chain of custody documentation for OSHA-compliant air sampling and abatement verification at the hotel located at 55 Church Street.

NYC-WTC_000103467–000103603
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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.) 02/20/02 02P Sachowski, David entire building access 30 0.0654 02/20/02 04P Sachowski, David entire building access 120 0.0139 02/20/02 12P Sachowski, David entire building access 180 0.0380 02/20/02 17P Sachowski, David entire building access 160 0.0390 ` Total Duration Sampled (min.) 490 Short Term Exposure Limit (STEL) 0.0654 8 hr. Time Weighted Average (TWA) 0.0348 02/20/02 01P Lewis, Leonard entire building access 30 0.1144 02/20/02 03P Lewis, Leonard entire building access 120 0.0147 02/20/02 11P Lewis, Leonard entire building access 180 0.0579 02/20/02 16P Lewis, Leonard entire building access 160 0.0397 Total Duration Sampled (min.) 490 Short Term Exposure Limit (STEL) 0.1144 8 hr. Time Weighted Average (TWA) 0.0458 02/20/02 06P Soto, Victor inside building, lobby to 20th floor 30 0.0360 02/20/02 08P Soto, Victor PII inside building, lobby to 20th floor 120 0.0204 02/20/02 14P Soto, Victor inside building, lobby to 20th floor 190 0.0091 Total Duration Sampled (min.) 340 Short Term Exposure Limit (STEL) 0.0360 8 hr. Time Weighted Average (TWA) 0.0110 02/20/02 05P Carlsen, Michael inside building, lobby to 20th floor 30 0.0392 02/20/02 07P Carlsen, Michael inside building, lobby to 20th floor 120 0.0229 02/20/02 13P Carlsen, Michael inside building, lobby to 20th floor 190 0.0140 Total Duration Sampled (min.) 340 Short Term Exposure Limit (STEL) 0.0392 8 hr. Time Weighted Average (TWA) 0.0137 02/20/02 09P Maddox, Sal entire building access 30 0.0360 02/20/02 10P Maddox, Sal , entire building access 120 0.0090 02/20/02 15P Maddox, Sal entire building access 130 0.0086 02/20/02 118P Maddox, Sal entire building access 160 0.0885 Total Duration Sampled (min.) 440 Short Term Exposure Limit (STEL) 0.0360 8 hr. Time Weighted Average (TWA) 0.0363 (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 000103492

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NYC-WTC_000103492Source: NYC Law Department, mirrored locally

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