NYC 9/11 Public Portal Document
Unit 5A Results
Post 2nd cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-W-5A-031 Wipe 8.55 ug/ft2 Estimated concentration (J).
9094-W-5A-032 Wipe ND < 4.65 ug/ft2
9094-W-5A-033 Wipe ND < 4.65 ug/ft2
Mineral: alpha-Quartz
Post 1st cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-017 Air ND < 0.007 mg/m3
9094-A-5A-018 Air ND < 0.004 mg/m3
Post 2nd cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-034 Air ND < 0.004 mg/m3
9094-A-5A-035 Air ND < 0.004 mg/m3
Mineral: Calcite
Post 1st cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-017 Air ND < 0.028 mg/m3
9094-A-5A-018 Air ND < 0.016 mg/m3
Post 2nd cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-034 Air ND < 0.017 mg/nn3
9094-A-5A-035 Air ND < 0.017 mg/m3
Mineral: Cristobalite
Post 1st cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-017 Air ND < 0.028 mg/m3
9094-A-5A-018 Air ND < 0.016 mg/m3
Post 2nd cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-034 Air ND < 0.017 mg/m3
9094-A-5A-035 Air ND < 0.017 mg/m3
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NYC-WTC_000145287
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