2 shared non-person entities · similarity 0.905
machine-extracted · confidence unavailable · Check page ↗Document / 12 pages
Wipe sample results: pre- and post-cleaning comparison
Machine-extracted title · confidence 85%Data table comparing wipe sample conductivity or contamination levels before and after the first cleaning for Unit 2A.
NYC-WTC_000186173–000186184Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
labie 12i_Leaq wipe Samples - Before Cleaning and Post 1st Cieanin^ Results Internal Review Draft I Sign I Result I Units [ Unit Number | Sample Id I Cleaning Type Unit Number Samplejd T Cleaning Type I Sign I Result | Units | Difference
4B 9094-W-4B-D02 Before cleaning 4.65 ug/ft2 4B 9Q94-W-4B-014 Post 1 st cleaning - Test 2B 4.65 ug/ft2 IB 9094-W-4B-003 Before cleaning 50.00 Lig/ft2 4B 9094-W-4B-015 Post 1 st cleaning - Test 2B 6.68 Ljg/ft2 9Q94-W-4B-004 Before cleaning 14.00 ug,'ft2 4B ,SQS4-W-4B-016 Post 1 st cieariirig - Test 2B 4.65 ug/ft2 4B 9094-W-4B-005 Before cleaning 30.00 ug/ft2 4B 9094-W-4B-017 Post 1 st cleaning - Test 2B 4.65 ,og/ft2 ‘ZB’ Average 24.66 Average 5.16 20
4C ,9094-W-4C-002 Before cleaning 4.65 |ug/ft2 4C 9094-W-4C-019 Post 1st cleaning - Test 1A LOST ug/ft2 4C 9094-W-4C-003 Before cleaning 181.00 ug/ft2 4C 9094-W-4C-020 Post 1st cleaning - Test 1A 14,90 iug/ft2 (Validation = R) 4C 9094-W-4C-004 Before cleaning 77.5o' U9/ft2 4C 9094-W-4C-021 Post 1st cleaning - Test 1A 8 23 4C 9094-W^C-022 Post 1st cleaning - Test 1A 7.81 ug/ft2 (Validation = R)
Average 87.72 Average 10.33 77
4D 9094-W-4D-002 Before cleaning 4 65lua/ft2 4D 19094 W-4C-020 Pest 1st cleaning - Test 2A uq/ft2 (Vdiidatiuii - R) S094-W-4D-003 Before cleaning 169.00 u9Zft2 4u ■ 9094-W-4D-021 Post 1st cleaning - Test 2A 66.00 ug/ft2 (Validation = R). 4D S094-W-4D-004 Before cleaning 17.40 ug/ft2 4D ■ 9094-W-4D-022 Post 1st cleaning • Test 2A 10 60 ug/ft2 (Validation = R) 4D 9094-W-4D-005 Before cleaning 17.10 ug/ft2 4D ■ 9094-W-4D-023 Post 1st cleaning - Test 2A 15.60 ug/ft2 (Validation = R), J_____ ^yerag^ 52.04 Average 28.15 24
5A 9094-W-5A-0C2 Before cleaning 4.79 ug/ft2 5A 9094-W-5A-020 Post 1st cleaning - Test 3R 4.65 ug/ft2 5A 9094-W-5A-003 Before cleaning 191.00 ug/ft2 5^ 9094-W-5A-021 Post 1st cleaning - Test 3B 43 50 ug/ft2 5A 9094-W-5A-004 Before cleaning 2000.00 ug^ 5A 9094-W-5A-022 Post Ist cleaning - Test 3B 10 50 ug/ft2 5A. 9094-W-5A-023 uq/ft2
! Averse 7.11.93 Average 24.59 707
5C 9094-W-5C-002 Before cleaning 6.95 ug/ft2 5C 9094-W-5C-017 Post 1st cleaning - Test 3A Broken uq/m2 5C 9094-W-5C-003 Before cleaning 336.00 ug/ft2 5C 9094-W-5C-018 Post 1st cleaning - Test 3A 10.30 ug/ft2 5C 9094-W-5C-0O4 Rpfnrp rlpaninri 43.60 ug/ft2 5C 9094-W-5C-019 Post1stcleaninq-Tes£3^ 7 69' ug/ft2 5C 9094-W-5C-020 Post 1 st cleaning - Test 3A 6.86 ug/ft2
Average 128.85 Average 8.28 121
5D 9094-W-5D-O02 Before cleaning 7.35 ug/ft2 9094-W-5D-016 Post 1 st cleaning - Test 3B 4.65 ug/ft2 5D 9094-W-5D-QQ3 . Before cleaning _ 4.68 ,ug/ft2 5D 9094-W-5D-017 Post 1 st cleaning - Test 3B 12.80 ug/ft2 5D 9094-W-5D-0O4 Before cleaning 25.30 ug/fl2 9094-W-5D-Q18 Post 1 st cleaning • Test 3B 4.65 ug/ft2 5D 9094-W-5D-005 Before cle_aning 32.10 ua/ft2 5D 9094-W-5D-019 Post 1st cleaning - Test 3B 4.65 ,ug/'ft2
Average 17.36 Average 6.69 11
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NYC-WTC_000186178
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NYC-WTC_000186178Source: NYC Law Department, mirrored locally
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