NYC 9/11 Public Portal Document
Unit 4C Results
Mineral: Tridymite
Post 1st cleaning - Test 1A
Sample ID Matrix Detected Result Comment
9094-A-4C-014 Air ND < 0.016 mg/m3
9094-A-4C-015 Air ND < 0.016 mg/m3
MMVF
Before cleaning
Sample ID Matrix Detected Result Comment
9094-W-4C-002 Wipe 57.23 S/cm2
9094-W-4C-003 Wipe 1030.17 S/cm2
9094-W-4C-004 Wipe 343.39 S/cm2
Post 1st cleaning - Test 1A
Sample ID Matrix Detected Result Comment
9094-A-4C-009 Air 6.316 SA.
9094-A-4C-010 Air 4,119 S/L
9094-A-4C-011 Air 2.549 S/L
9094-W-4C-018 Wipe 57.23 S/cm2
9094-W-4C-019 Wipe 228.93 S/cm2
9094-W-4C-020 Wipe 343.39 S/cm2
9094-W-4C-021 Wipe 114.46 S/cm2
9094-W-4C-022 Wipe 228.93 S/cm2
PAH TEF (ND=1/2)
Before cleaning
Sample ID Matrix Detected Result Comment
9094-W-4C-002 Wipe U 290 ugZm2
9094-W-4C-003 Wipe 290 ug/m2
9094-W-4C-004 Wipe U 290 ug/m2
Post 1st cleaning - Test 1A
Sample ID Matrix Detected Result Comment
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NYC-WTC_000145275
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