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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 Asbestob Air Samples - Pre 2nd Cleaning, Post 2nd Cleaning, and Post 3rd Cleaning Results Internal Review Draft Unit Number Samplejd Cleaning Type Sign Result Units Unit Number Saniple_ld ________ Cleaning Type______ Sign Result i Units Difference 2A-2iid 9034-A-2A-010 _Pre_2nd_cleariin2_ overload S-*5u/cc 2A 9094-A-2A-028 Test IB - Post 2nd cleaning 0.000500 S>5u/cc 2A-2iid 9094-A-2A-011 Pre 2nd cleaning overload S>5u/cc 2A 9094-A-2A-029 Test 1B - Post 2nd cleaning 0.000500 S>5u/cc 2A-2nd 9094-A-2A-012 Pre 2nd cleaning overload S>5u/cc 2A 9O94-A-2A-030 Test 1B - Post 2nd cleaning 0 000500 S>5u/cc ' 2A Test IB - Post 2nd cleaning 2A P^estTKT'PbsTSnS’Ueaning Average Average n nnn«;nn

3B-2nd 9094-A-3B-011 Pre 2nd cleaning overload S>5u/cc 3B 9094-A-3B-Q39 Scope A - Post 2nd cleaning 0.000500 S>5u/cc 3B-2nd 9094-A-3B-012 Pre 2nd cieaninq overload S>5u/cc 3B 9094-A-3B-040 Scope A - Post 2nd cleaning 0.00Q50Q S>5u/cc 3B-2nd 9094-A-3B-013 Pre 2nd cleaning overload S>5u/cc 9094-A-3B-041 Scope .A - Post 2nd cieaninq n oonFon S>5u./cc 3B-2nd 9U94-A-3B-026 Pre 2nd cleaning 0.000900 S>5u/cc 3B Scope A - Post 2nd cleaning 3B-2nd 9094-A-3B-027 Pre 2nd cleaning 0.001100 S>5u/cc Scope A ■ Post 2nd cleaning 3B-2nd 9094-A-3B-028 Pre 2nd cleaning 0.000500 S>5u/cc 3B Scope A - Post 2nd cleaning 3B-2nd 9094-A-3B-029 Pre 2nd cleaning 0.000500 S>5u/cc 3B Scope A • Post 2nd cleaning 3B-2nd 9094-A-3B-030 Pre 2nd cleaning 0.000500 S>5u/cc 3B Scope A - Post 2nd cleaning 33-031 Pre 2rid cleaning 0.001500 S>5u/cc 5B Scope A - Post 2nd cleaning 3B-2nd 9094-A-3B-032 Pre 2nd cleaning 0.001100 S>5u/cc 3B Scope A - Post 2nd cleaning 3D-2nd 9094-A-3B-033 Pre 2nd cleaning 0,000900 S>5u/cc 3B Scope A - Post 2nd cleaning 3B-2nd 9094-A-3B-034 Pre 2nd cleaning 0,000500 S>5u/cc 2^ Scope A - Post 2nd cleaning 3B-2nd 9QS4-A-3B-035 Pre 2nd cleaning 0.001000 S>5u/cc 3B Scope A • Post 2nd cleaning 3B-2nd 9094-A-3B-036 Pre 2nd cleaning 0.000900 S>5u/CC 3B Scope A • Post 2nd cieaninq ‘30’ Scope A - Post 2nd cleaning Average 0.000855 Average 0.000500

3C-2nd’^ ' 'I9094-A-3C-009 Pre 2nd cleaning nvprlnad S>5li/oc '9094 f', 3C 025 Test 1A - Post 21 id vlt^ai mig I nverioad S->5tJ/cc 3C-2nd i9034-A-3C-010 Pre 2nd cleaning overload S>5u/cc 3C i9094-A-3C-026' Test 1A - Post 2nd cleaning overload ,S>5u.^CC 3C-2nd I9094-A-3C-011 Pre 2nd cleaning overload ,S>5ij/cc 3C ” 9Q94-A-3C-027 Test 1A - Post 2nd cleaning ox'crload S>5u/cc 3C 90&4-A-3C-O28 Test 1A - Post 2nd cieaninq overload S>5u/cc --.-1 3C 9094-A-3C-O29 Test 1A - Post 2nd cleaning overload S>5u/cc I Average Average ( I I 3C-3rd 9094-A-3C-025 P_ost_2n^cleanmg_-Test 1A overload S>5u/cc 3C 9094-A-3C-032 Test 3B • Post 3rd cleaning 0.0005 S>5u/cc 9Q94-A-3C-026____ Post 2nd cleaning - Test 1A overload S>5u/CC 3C 9094-A-3C-03”3 Test 3B • Post Ord cleaning 0.0005 S>5u/cc 3C-3?d ' 9094-A-3C-027 Post 2_nd cleaning - Test 1A overload S>5u/cc 3C 9094-A-3C-034 Test 3B - Post 3rd cleaning 0 0005 S>5u/cc 9b94-A-3"C-Q35 1 3C-3rd 9094-A-3C-028 Post 2nd cleaning - fest 1A overload S>5u/cc ' '3C Test 3B - Post 3rd cleaning 0 0005 S>5u/CC

I 3C-3rd Pqst_2nd cleaning - Test 1A | overload S>5u/cc 3C 9094-A-3C~036 9094-A-3C-037 Test 3B - Post 3rd cleaning Test 3B - Post 3rd cleaning 0.0005 S>5u/cc 0 0005 S>5u/cc Average 0.000500

3D-2nd {9O94-A-3D^OO8 Pre 2nd cleaning I overload jS>5u/cc j 3D |9Q94-A-3D-023 Test lA - Post 2nd cleaning 0 0005 S>5ij/cc i9094-A-3D-009 Pre 2nd cleaning !S>5u/CC 3D )9b94-A-3D-024 __resMA-Post2nd_cleanin2_ 0.0004 S>5u/cc 5D-2nd I overload i9094-A-3D-0'l0 I overload is>5u/cc ! ■

0000^ O I 3D-2nd _Pre_2nd cleaning 3D' '3D’ I9094-A-3D-025 (9094-A-3D-026 ’ Test 1A - Post 2nd cleanino Test 1A - Post 2nd cleaning’ S>5u/r.r. I 0 0005 S>5u/cc A Average Average 0.000475 kJ I to 4.A.-2nd 19094-^-4 A-008 ! Pre 2nd cle_anin_g overload fS'>5'j/CC 4A 9094-A-4A 023 Tost 2A Post 2nd cleaning C 0009 S>5u/cc 4A-2nd |9O94-A-4A-OO9 I Pre 2nd cleaning overload |S>5u/cc 4A 9Q94-A-4A-n24 Test 2A - Post 2nd cleaning 0 0008 S>5u/cc 4A-2iid |9O94-A-4A-O1O ! Pre 2nd cieaninq (ncrload |S>5u/CC 4A 9094-A-4A-025 Test 2A - Post 2nd cleaning 0 0009 S>5u/cc O Average Average 0.000867 O I o 5C-2itd I9094-A-5C-009 Pre 2nd cleaning j ti\ Ct load S>5u/'cc I -‘1^ 9094-A-5C-024 I(;st 3A - Post 2nd clennuK] ii\ er Io,IJ S>5u/cc Pre 2nd cleaning j I ovciload S’Su'cc f' ‘sc J lo.ilo.i.i 5C-2nd IooO4-A-5C-O1O 9094-A-5C-025 Test 3A Post 2nd rln.anmg S>5ij/cc Pre 2nd dean-ig I 909 4 A 50 O2C o *<0

O cn

NYC-WTC_000186175

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NYC-WTC_000186175Source: NYC Law Department, mirrored locally

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