NYC 9/11 Public Portal Document
Unit 2A Results
9094-W-2A-019 Wipe 11.3 ug/ft2
9094-W-2A-020 Wipe ND < 4.65 ug/ft2
9094-W-2A-021 Wipe ND < 4.65 ug/fl2
Mineral: alpha-Quartz
Post 1st cleaning - Test IB
Sample ID Matrix Detected Result Comment
9094-A-2A-015 Air ND < 0.004 mg/m3
9094-A-2A-016 Air ND < 0.004 mg/m3
Mineral: Calcite
Post 1st cleaning - Test IB
Sample ID Matrix Detected Result Comment
9094-A-2A-015 Air ND < 0.016 mg/m3
9094-A-2A-016 Air ND < 0.016 mg/m3
Mineral: Cristobalite
Post 1st cleaning - Test IB
Sample ID Matrix Detected Result Comment
9094-A-2A-015 Air ND < 0.016 mg/m3
9094-A-2A-016 Air ND < 0.016 mg/m3
Mineral: Tridymite
Post 1st cleaning - Test 1B
Sample ID Matrix Detected Result Comment
9094-A-2A-015 Air ND < 0.016 mg/m3
9094-A-2A-016 Air ND < 0.016 mg/m3
MMVF
Before cleaning
Sample ID Matrix Detected Result Comment
9094-W-2A-002 Wipe ND < 57.23 S/cm2
9094-W-2A-003 Wipe 629.55 S/cm2
9094-W-2A-0O4 Wipe 2117.56 S/cm2
9094-W-2A-005 Wipe 343.39 S/cm2
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NYC-WTC_000145233
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