NYC 9/11 Public Portal Document
Unit 5A Results
9094-M-5A-030 Microvac 75186.8 S/cm2 Chrysotile
9094-W-5A-019 Wipe ND < 2366.41 S/cm2
9094-W-5A-020 Wipe ND < 2366.41 S/cm2
9094-W-5A-021 Wipe ND < 2366.41 S/cm2 Chrysotile
9094-W-5A-022 Wipe ND < 2366.41 S/cm2
9094-W-5A-023 Wipe ND < 2366.41 S/cm2
Dioxin TEQ EMPC (ND=1/2)
Before cleaning
Sample ID Matrix Detected Resuit Comment
9094-W-5A-002 Wipe 0.528 ng/m2
9094-W-5A-003 Wipe 0.565 ng/m2
9094-W-5A-004 Wipe 0.747 ng/m2
Post 1st cleaning - Test 3B
Sample ID Matrix Detected Result Comment
9094-W-5A-020 Wipe 0.587 ng/m2
9094-W-5A-021 Wipe 0.604 ng/m2
9094-W-5A-022 Wipe 0.57 ng/m2
9094-W-5A-023 Wipe 0.569 ng/m2
Gypsum
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 < 0.009 mg/m3
9094-A-5A-035 Air ND < 0.009 mg/m3
Page 2 of6
NYC-WTC_000145285
OCR can misread numbers and units. Confirm readings against the page image before using them.