NYC 9/11 Public Portal Document
Unit 3B Results
Mineral: alpha-Quartz
Post 1st cleaning - Scope A
Sample ID Matrix Detected Result Comment
9094-A-3B-016 Air ND < 0.004 mg/m3
9094-A-3B-017 Air ND < 0.004 mg/m3
Mineral: Calcite
Post 1st cleaning - Scope A
Sample ID Matrix Detected Result Comment
9094-A-3B-016 Air ND < 0.016 mg/m3
9094-A-3B-017 Air ND < 0.016 mg/m3
Mineral: Cristobalite
Post 1st cleaning - Scope A
Sample ID Matrix Detected Result Comment
9094-A-3B-016 Air ND < 0.016 mg/m3
9094-A-3B-017 Air ND < 0.016 mg/m3
Mineral: Tridymite
Post 1st cleaning - Scope A
Sample ID Matrix Detected Result Comment
9094-A-3B-016 Air ND < 0.016 mg/m3
9094-A-3B-017 Air ND < 0.016 mg/m3
MMVF
Before cleaning
Sample ID Matrix Detected Result Comment
9094-A-3B-009 Air 14.78 S/L
9094-A-3B-010 Air 2.644 SA.
9094-W-3B-002 Wipe 744.01 S/cm2
9094-W-3B-003 Wipe 2289.26 S/cm2
9094-W-3B-004 Wipe 744.01 S/cm2
Post 1st cleaning - Scope A
Sample ID Matrix ' Detected Result Comment
9094-A-3B-011 Air 1.528 S/L
9094-A-3B-012 Air 2.209 S/L
9094-A-3B-013 Air 0.946 S/L
9094-W-3B-018 Wipe 57.23 S/cm2
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NYC-WTC_000145248
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