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Survey Results for Metals at 130 Liberty Street, 2001-2002
Machine-extracted title · confidence 90%Summary of survey results for metals in floors, ducts, and elevators at 130 Liberty Street conducted between September 2001 and January 2002.
NYC-WTC_000182143–000182145Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
o 130 Liberty Street <» Bulk Heavy Metals Results I-
hd Occupied Areas surveyed on September 26, 2001 O ' o Air Plenums and Ducts surveyed January 16 to 19, 2002 Elevators surveyed January 21 and 22, 2002 o
o
Floor# Area Range of Results (ppm) TJ Notes Cadmium Chromium Copper Lead Nickel Zinc Occupied area 8.37 -13.4 74-82 130-234 37 -181 10.6-11.2 999-1297 ro
4 Return air plenum 3.2 - 84 57 - 2070 105-1010 84-1130 16.4-1130 1300 - 8690 «> 4^ Supply air ducts >u Occupied area 8.32-11.9 71 -78 130-234 6.32-158 10,7-12.3 1074 - 1727 <» !-■ 3 Return air plenum <0,580 - 11,4 61.7-181 105-1170 145 - 506 32-80 2320 - 4360 <» Supply air ducts Occupied area 6.38 - 7.98 79-85 118-166 6,78 14.4 965-1045 2 Return air plenum 4.63-10.4 80-105 141 -1660 120-296 23-44 1400 - 2380 Supply air duels Occupied area 1 Return air plenum 5.20 - 14,1 194-241 58-212 162-340 55-79 127-375 > Supply air ducts w ! »—I Occupied area w B Return air plenum <4.88-16.4 65-130 454 - 664 212-808 28-48 704 - 4560 g I Supply air ducts Occupied area I A Return air plenum 3.18-41 49 - 271 215-1390 27-1220 7.54 - 85 468- 17600 Supply air ducts Pits 0.81 - 10.3 75-97 129-446 43 - 3050 -■g.o-ae 929- 1450 Cars 2.69 - 4.29 48-83 70 - 271 47-192 15.5-19.8 987-1660 Elevators Machine Rooms <1.51 -366 94-219 928 - 23700 258 - 448 51 -131 1700-33100 Shafts
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NYC-WTC_000182145
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