NYC 9/11 Public Portal Document
Unit 5A Results
Mineral: Tridymite
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
MMVF
Before cleaning
Sample ID Matrix Detected Result Comment
9094-W-5A-002 Wipe 297.6 S/cm2
9094-W-5A-003 Wipe 1308.15 S/cm2
9094-W-5A-004 Wipe 792.45 S/cm2
Post 1st cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-A-5A-012 Air 1.499 S/L
9094-A-5A-013 Air 2.603 S/L
9094-A-5A-014 Air 0.651 S/L
9094-W-5A-019 Wipe 286.16 S/cm2
9094-W-5A-020 Wipe 57.23 S/cm2
9094-W-5A-021 Wipe 114.46 S/cm2
9094-W-5A-022 Wipe 57.23 S/cm2
9094-W-5A-023 Wipe 114.46 S/cm2
PAH TEF (ND=1/2)
Before cleaning
Sample ID Matrix Detected Result Comment
9094-W-5A-002 Wipe U 290 ug/m2
9094-W-5A-003 Wipe U 290 ug/ni2
9094-W-5A-004 Wipe U 290 ug/m2
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NYC-WTC_000145288
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