NYC 9/11 Public Portal Document
The Food Exchange Results
Mineral: alpha-Quartz
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-FE-023 Air ND < 0.004 mg/m3
Mineral: Calcite
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-FE-023 Air ND < 0.017 mg/m3
Mineral: Cristobalite
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-FE-023 Air ND < 0.017 mg/m3
Mineral: Tridymite
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-FE-023 Air ND < 0.017 mg/m3
MMVF
Before Cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-W-FE-001 Wipe 11732.44 S/cm2
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-FE-018 Air ND < 0.066 S/L
9094-A-FE-019 Air ND < 0.066 S/L
9094-A-FE-020 Air ND < 0.067 S/L
9094-W-FE-015 Wipe ND < 57.23 S/cm2
9094-W-FE-016 Wipe ND < 57.23 S/cm2
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-FE-002 Air ND < 0.069 S/L
9094-A-FE-003 Air ND < 0.072 S/L
9094-A-FE-004 Air ND < 0.086 S/L
9094-A-FE-005 Air ND < 0.074 S/L
9094-A-FE-008 Air 0.14 S/L
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NYC-WTC_000145319
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