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
lablc 12. Lead VVipc_Sarnples - Before Cleaning and Post 1st Cleaning Results Internal Review Draft Unit Number Sarfipie_iQ Cleaning Type Sign Result Units Unit Number Sample _ld _____ Cleaning Type_____ Sign Result Units Difference 2A____ 9094-W-2A-002 Before cleaning 4,651tjn/ft2 2A 0094 W-2A-018 Post 1 st Gleaning - Test 1B 4.65 ug/ft2 2A 9094-W-2A-003 Before cleaning 49.40 iig/ft2 2A 9094-W-2A-019 Post 1 si cleaning - Test 1B 11.30 ug/ft2 2A 9094-W-2A-Q04 Before cleaning 35.40 »g/ft2 2A 9094-W-2A-020 Post 1 si cleaning - Test 1B 4.65 ug/ft2 2A Before cleaning 44.60 jug/fts" 9094-W-2.A-005 2A 9094-W-2A-Q21 Post 1 st cleaning - Test 1B 4.65' ug/n2
Average 33.51 Average 6.31 27
2B 9094-W-2B-002 Before cleaning 4.65 ug/ft2 2B g094-W-2B-016 Post 1 st cleaning - Test 3A 4.65 ug/ft2 2B ■ 9094-W-2B-003 Before cleaning 97.00 ug/ft2 2B 9094-W-2B-017 Post 1st cleaning - Test 3A 9.90 ug/ft2 2B ' 9094-W-2B-004 Before cleaning 17,50 ug/ft2 2B 90944AA2B;q^ "ib’W ug/ft2 Post 1 st cleaning - Test 3A 2B Q094-W-2B-01Q Post 1 st clcarsing-Test 3A 7.41 ijg/ft2
Average 39.72 Average 10.17 30
3A S094-W-3A-002 Before cleaning 4.65|ug/ft2 3A 9094-W-3A-018 Post 1st cleaning - Test 2B 4 65 ug/ft2 3A S094-W-3A-003 Before cleaning 38.90 jug,/ft?' 3034-W-3A-0tS Post 1st cieaning - Test 2B 10 50 ug^2 S.A 9094 ■W-3A-6o4 Before cleaning ib.QQjug/ftb 3A 9094-W-3A-020 Post 1st cleaning -Test 2B 9.29 ug/ft2 3A 9094-W-3A-021 Post 1 st cleaning - Test 2B ' 4.65 ug/ft2
Average 18.52 Average 7.27 11
.3B 9094-W-3B-0Q2 Before cleaning 4,65iuq/ft2 3B 9094-W-3B-019 Post 1st cleaning - Scope A 4.65 S094-W-3B-003 Before cleaning ______ 11 50!ug/ft2 3B 9094-W-3B-020 Post 1 st cleaning - Scope A 51.60 ug/ft2 SB 9094 W 3B-004 Before cleaning _______ 9-55iUg/ft2 3B 9G94-W-3B-021 Post 1 st cleaning - Scope A 10.90 ug/ft2 3B 5O94-W-3B-O05 Before cleaning LOST bg/ft2 3B 9094-W-3B-022 Post 1 st cleaning - Scope A I { Average 8.60 Average 18.61 -10
3C S094-W-3C-0O2 Before cleaning 4 65|ug/ft2 3C I9094-W-3C-Q17 ! Post 1st cleaning- Test 1A I 5.02|ug/ft2 750 noluqms 1 cTTTTTTTiTTTTT^^TTTTT I 32 9094-W-3C-0O3 Before cleaning 3C 5094-W-3C-004... Before cleaning 48.70 uq/ft2 3C ’9094-W-3C-019 Post 1 st cleaning - Test 1A 6.01 ug/ft2 3C ’ 9094-W-3C-Q2Q Post 1st cleaning - Test 1A 4 65 ug/ft2
Average 267.78 Average 5.93 262
3D ■ [9094-WbD-002 Before cleaning 4.65 ug/ft2 3D 9094-W-3D-016 Post 1 st cleaning - Test 1A 8.22 'jg/ft2 3D ....... Before cleaning 201 00 ug/ft2 'sb 9094-W-3D-017 Post 1st cleaning - Test 1A 9.8o: ug/ft2 3D 9094-W-3D-0b4 Before cleaning 112 00 ug/ft2 3D 9094-W-3D-018 Post 1st cleaning - Test 1A 4.65 |ug/ft2 3D S094-W-3D-b05' Before cleaning 4 65 ug/fl2 bb 9O94'W-3D-O19 Post 1st cleaning - Test 1A 4 65 'ug/ft2
Average 80.58 Average 6 83 74
o 5094-W-4A-QQ2 Before cleaning 5 66 ,ug/ft2 4A 9094-W-4A-016 Post 1st cleaning - Test 2A 4 65 ug/ft2 bb- 4A 9094-W-4A-003 _ Before cleaning 21.50 ug/ft2______ 4A 9094-W-4A-017 Post 1st cleaning - Test 2A 10 70 ug/ft2 I 4A 9094-W-4A-004 Before cleaning 9,41 ug/ft2 4A 9094-W-4A-Q18 Post 1st cleaning - Test 2A 4.65 ug/ft2 4A 9094-W-4A-019 Post 1st cleaning - Test 2A 4 65 ug^ft2 s o Average 12.19 _____ Average 6.16
O O I o
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NYC-WTC_000186177
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