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Document / 22 pages

Dust characterization laboratory analysis report, environmental testing

Machine-extracted title · confidence 60%

Laboratory analytical report documenting dust characterization and environmental contamination assessment results from facility testing.

NYC-WTC_000154870–000154891

Folder label: “DEUTSCHE BANK

Page image
Scanned page image, NYC-WTC_000154890
OCR text

OCR status: ok · source: pdftotext

c 130 Liberty Street X Bulk Heavy Metals Results H X Occupied Areas surveyed on September 28,2001 KJ C Air Plenums and Ducts surveyed January 16 to 19,2002 c KJ

Elevators surveyed January 21 and 22,2002 C Range of Results (ppm) Floor# Area Notes Cadmium Chromium Copper Lead Nickel Zinc Occupied area 5.94-6.13 85.15-93.22 135.15-166.74 63.37-101,09 15-17 1114-1173 KJ H 17 Return air plenum K <C Supply air ducts rfa Occupied area 16 Return air plenum <2.93-19.2 58.8 -199 338-1530 87.1 -702 24-61 519 - 3200 W

Supply airducts Occupied area 4.71-6.58 62-84 102-124 34-48 7.06-9.28 773 - 978 15 Return air plenum Supply air ducts Occupied area 14 Return air plenum Supply air ducts I »- tt Occupied area 6.04-8.61 84-90 136-145 48-61 10.5-11.3 1043-1047 2 12 Return air plenum 6.67-8.63 77 -109 146-1220 193-306 27-37 1190 - 43900 Supply air ducts Occupied area c 5.92 - 6.28 109-142 126-148 39-66 16.6-22 900 - 953 c 11 Return air plenum Supply air ducts Occupied area 5.08-5.74 95-149 103-188 37-72 12.6-24 789-1008 10 Return air plenum Supply air ducts Occupied area 5.8-9.08 124 -144 165-218 32,9 -103 16,4-23 956 -1598 9 Return air plenum Supply air ducts Occupied area 12.5-44 53-58 197-200 170-172 9.21 -14.0 1149-1245 c B Return air plenum 6.44 -18.3 78 -158 225-756 173-455 29-57 1350 - 2620 o Supply air ducts E 3 O Occupied area 7.93 -14.8 61-87 132 -183 9.01 -137 10.8-11.0 984-1184 o 7 Return air plenum 5.27-10.3 74 -153 189-706 160 - 340 23-54 1150 - 3580 Q o TO Supply air ducts 05 ■c OO o Occupied area 4.69 - 5.81 55-71 77-171 38 - 233 8.71-11.3 1162-3113 Q_ 5 Return air plenum 5.43-49 64-127 150 - 399 101 - 279 19.5-35 1640 - 9640 .2 £ o Z Supply air fans 2.77-41 54-192 113-686 165-2750 16,1-48 2270-16600 c o o 3 K Q. & o' T—

5) g 6 o >- z z

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NYC-WTC_000154890Source: NYC Law Department, mirrored locally

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