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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_000186173–000186184
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NYC 9/11 Public Portal Document

Table 12.PCME Asbestos Air Samples - Pre 2nd Cleaning, Post 2nd Cleaning, and Post 3rd Cleaning Results

[ Unit Number I Sample_id _______ Cleaning Type Sign Result Units Unit Number Sample_ld _________ Cleaning Type_______ Sign I Result | Units Difference 2A-2nd 9094-A-2A-010 _________ Pre 2nd cleaning overload S>5u/cc 2A 9094-A-2A-028 Post 2nd cleaning - Test 1B : 0.000500 S>5u/cc 2A-2nd 9094-A-2A-O11 ________ Pre 2nd cleaning overload S>5u/cc 2A 9094-A-2A-029 Post 2nd cleaning - Test 1B 1 0.000500 S>5u/cc 2A-2nd 9O94'A-2A-O12 ________ Pre 2nd cleaning overload S>5u/cc 2A 9094-A-2A-030 Post 2nd cleaning - Test 1B 1 T0O0500 S>5u/cc 2A-2nd ________ Pre 2nd cleaning 2A Post 2nd cleaning - Test 1B 2A-2nd Pre 2nd cleaning 2A Posr2n3TieanIng^TestTB’ Average_________________ #Div/o: Averag^e 0.000500 #D1V/O! Total 0.000000 Total 0 0.001500

3B-2nd 9094-A-3B-011 Pre 2nd cleaning overload S>5u/cc 3B 9094-A-3B-039 Post 2nd cleaning - Scope A 0.000500 S>5u/cc 3B-2nd 9094-A-3B-012 Pre 2nd cleaning overload S>5u/cc 3B 9094-A-3B-040 Post 2nd cleaning - Scope A 0.000500 S>5u/cc 3B-2nd 9094-A-3B-013 Pre 2nd cleaning overload ;S>5u/cc 3B 9094-A-3B-041 Post 2nd cleaning - Scope A 0.000500 S>5u/CC 3D-2nd 9094-A-3B-026 Pre 2nd cleaning 0.000500 S>5u/cc 3B Post 2nd cleaning • Scope A 3B-2nd 9094-A-3B-027 Pre 2nd cleaning 0.001100 S>5u/cc 3B Post 2nd cleaning - Scope A 3B-2nd 9094-A-3B-028 Pre 2nd cleaning 0,000500 S>5u/cc 3B Post 2nd cleaning - Scope A 3B-2nd 9094-A-3B-029 Pre 2nd cleaning 0 000500 S>5u/cc 3B Post 2nd cleaning - Scope A 3B-2nd 9094-A-3B-030 Pre 2nd cleaning 0.000500 S>5u/cc 3B Post 2nd cleaning • Scope A 3B-2nd i're zPiG Cieaning 0.00 1500 S>5u/cc 3B Post 2nd cieanina - Scope A 3R-2nd 9094-A-3B-032 Pre 2nd cleaning 0 001100 S>5j/cc 3B Post 2nd cleaning - Scope A :'B-2nd 9094-A-3B-033 Pre 2nd cleaning 0.000900 S>5j/cc 3B Post 2nd cleaning - Scope A ?B-2nd 9094-A-3B-034 Pre 2nd cleaning 0.000500 S>5u/cc 3B Post 2nd cleaning - Scope A 3D-2nd 9094-A-3B-035 Pre 2nd cleaning 0.001000 S>5J/CC 3B Post 2nd cleaning - Scope A 3B-2na 9094-A-3B-036 Pre 2nd cleaning O.00090Q S>5u/cc 3B Post 2nd cleaning - Scope A I ~ ~ I I ■SB” Post 2nd cleaning - Scope A Average 0.000855 Average_______________________ 0.000500 0 Total 0.009400 Total 0.001500 0

3C-2n4 QnQ4,a.3r:.no9 Pre 2nd rleanino o'-erioad IS>5'J.'CC 19094,6.312-025 P' if -2nd yuy4-A-3C-010 Pre 2nd cleaning overload S>5j/cc 3C ’ 9Q94-A-3C-026 Post 2nd cleaning - Test 1A s>5ij/cc overload ?C-2nd 9'?94-A-3C-0n Pre 2nd cleaning overload ' S>5jTc 3C ’ 9Q94-A-3C-02? Post 2nd cleaning - Test lA overload S>5u/cc ,iC-2nd Pre 2nd cleaning 3C 9094-A-3C-O28 Post 2nd cleaning - Test 1A overload S>5u/cc 3C-2nd Pre 2nd cleaning 3C ■ 9094-A-3C-029 Post 2nd cleaning - Test 1A overload S>5u/cc I Average #DIV/0! #niv/0! Tot^ o.ooooob... Total 0.000000 0

3C-3rd 9034-A-3C-025 Post 2nd cleaning - Test 1A overload S>5u/cc 3C 9094-A-3C-O32 Post 3rd cleaning - Test 3B 0 0005 S>5u/cc ?C-3rd 9094-A-3C-026 _Po5£2nd_cleariin2jjres£_1_^ overload S>5u/cc 3C 9094-A-3C-O33 __Pos£_3rd_£leaning-Tesl3B 0 0005 S>5u/cc 3C-3rd 9094-A-3C-027 _Pos£_2nd_2ieanjn£_-J[esM_A overload S>5u/cc 3C 9094-A-3C-034 Post 3rd cleaning - Test 3B 0.0005 S>5u/cc 3C-3rd 9094-A-3C-028 Post 2nd cleaning - Test 1A overload S>5u/cc 3C 9094-A-3C-035 ___Post_^rd_cleanin2jjrest3B 0 0005 S>5u/cc 3C-3rd 9094-A-3C-029 Post 2nd cleaning - Test 1A overload S>5u/cc 3C 9094-A-3C-036 ^_Post_3rd_cieanin2jTest3B 0,0005 S>5u/cc ■sC Post 3rd cleaning - Test 3B 1_____ __ 9094-A-3C-O37 0 0005 S>5u/cc Average t/l)l\7(l! Average______________________ 0.0(11)509___________ 0 Total 0.000000 Total 0.003000 0

.3D-2nd 9094-A-3D-008 ________ Pre 2nd cleaning o'.erioad S>5u/cc 3D 9094-A-3D-023 Post 2nd cleaning - Test 1A 0.0005 S>5u/CC 3D-2nd 9094-A-3D-O09 ________ Pre 2nd cleaning overload S>5u/cc 3D 9094-A-3D-O24 Post 2nd cleaning - Test 1A 0 0004 S>5u/cc Q 3D-2nd 9094-A-3D-010 Pre 2nd_deaning overload S>5u/cc 3D 9094-A-3D-O25 Post 2nd cleaning - Test 1A 0 0005 S>5u/cc 3D-2nd Pre 2nd cleaning 3D 9094-A-3D-O26 Post 2nd cleaning - Test 1A 0 0005 S>5u/cc 3D-2nd Pre 2nd cleaning 3D Post 2nd cleaning - Test 1A I Av erage__________________ «l)IV/«’ Average_______________ 0.000475____________ #DI\7n! Total 0 000000 Total n 001QOO (I

o 4 A-2nd Q0g4-A-4A-008 Pre 2nd cleaning overload S>5u/cc 4A 9094-A-4A-023 Post 2nd cleaning - Test 2A 0 0009 s>5u/cc o 4A-2ir1 90g4-A-4A-0n9 Pre 2nd cleaning (u erlnad S>f)u/cc 4A 9C94-A-4A-024 Post 2nd cleaning - Test 2A 0 0008 S>5u/cc o 4A.2nd 9094-A-4A-010 Pre 2nd cleaning m eilnad S>5u/cc 4A 9094-A-4A-O25 Post 2nd cleaning - Test 2A 0 0009 S>5u/cc Io 4A-2ud Pre 2nd cleaning 4A Post 2nd cleaning - 1 est 2A I 4A Post 2nd cleaning - Test 2A ______ 1 Average Average 0 (10(1867 fehiv/o! Total (I onnnoo Total no2(>(t(t 0 o co co

NYC-WTC_000186183

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NYC-WTC_000186183Source: NYC Law Department, mirrored locally

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