Preliminary Environmental Assessment report, Jan 2006

NYC-WTC_000095719 ‘Zona wnonangs 14 15 10/28/2005 9 26 417 10/28/2005 S:29 wo CLANS 27 1028/2005 9:28 28 10/26/2005 9 39 32 107282605 9.42 MYND 7 93 OOF 38 1672 44 10/28/2005 9:54 45 10/26/2005 $S5 251 4.38 438 438 1.88 41.89 581 1.88 25 188 1.86 1.88 4.38 5.02 444 183 438 Stair Rises Stak Under Baluser Hand Rai Waa Waa Walt Weal ec FLOOR Stair Tread Siatr Riser Stair Stein Hand Rail Newel Post Baluster Batuster Baluster Rar Under StairceseDo StarceseO®s WALL WALL WALL Ceiling FLOOR Stair Tread Star Riser Stair Stein Hand Rail Baluster Newel Post Sta Under Stewcase Ob Staircase Dr WALL WALL WALL Ceiling Floor BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE LT BLUE LT-SLUE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE BEIGE GRANGE ORANGE BEIGE BEIGE BEIGE BEIGE BEIGE Side 2 Side 3 Side 3 Room Center Room Center Roons Center Room Center Side 1 Side 2 Site 2 Side 3 Side 1 ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER Side 1 Side 1 Side 1 Side 2 Side 3 Ceiling FLOOR ROOM CENTER ROCM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER ROOM CENTER Sule 1 Side 1 Side 1 Side 2 Side 3 Ceiling Figor Fiterman Hall Airtek Projet 805-0867 SHEETROCK PLASTER CINDER 8LK METAL META METAL METAL CINDER BLK CINDER BLK PLASTER CINDER BLK METAL CONCRETE METAL METAL METAL METAL METAL METAL METAL METAL METAL METAL METAL CINDERBLOCK CINDERBLOCK CINDERBLOCK CONCRETE CONCRETE METAL METAL METAL RETAL METAL METAL METAL METAL METAL CINDERBLOCK CINDERBLOCK CINDERBLOCK CONCRETE CONCRETE . SPACE Stawcase Staircase Staircase Staircase Staircase Staircase Staircase Staircase Stairease Staircase Staircase Staircase Stascase Saircase Staircase Staircase Storcase Staircase Staircase Staircase Staircase Staircase Stawcase Staycase Staircase Staircase Staircase Staircase Stawcase Staircase Stalrcase Staircase Staircase Saircase Staircase Staircase Stakease Sraircase Rarcase Staircase Staircase PEE EE FE NNANAMANNNANANN NO OOM NH KH OHM NWO DO OO DOO Stahcase A Staircase A Stetrcase A Racase A Staircase A Staircase A Ratcase A Staircase A Staircase A Stakcase A Stancase A Stazcase A SRascase A Staircase A Shaircase A Steipcase A Stercase A Stawcase A Starcase A Stescase A Staircase A Staircase A Stabcase A Staircase A Stawcase A Staircase A Stalrcase A Staircase A Stescase A Steicase A Staircase A Staircase A Staircase A Staircase A Stercase A Stercase A Staircase A Staircase A Steircase A Staircase A Rakease A Stewcase A Starcase A Results Of : Positive 1.604 Paskive 2.68 Hegatwe 158 Negative 1 Negative 2.21 Negative 1.32 Negative 1.77 Negatre 2.23 Negative 1 Hegative 1.9 Negative 2.69 Hegative 18% Negative 4.86 Negetive 4 tegative 3.08 Hegative 3.09 Negative 195 Negative 1.49 Negative 4.47 Hegetwe 195 Null 3.23 Null = 3.14 Negative 3.05 tlegative 4.42 Slegative 1 Negatve 1 Hegatve 443 Negative 1 Negative 6.35 Negative 10 Negatve 176 Hegative 261 Negative 283 Negative 2.42 Negative 2.72 Negatwe 1.12 Negative 3.44 Negative 1 Negative 1 Negative 47 Negative 1 Negative 1.46 Negative 3.2 Hegatrve 2.35 Pec 8.18 tt 809 8.08 6.4 0.18 $03 603 0.16 0.13 0.17 0.44 0.27 6.06 0.03 06 o1 Error O41 0.4 0.02 902 9.06 O07 018 002 0.02 0.07 0.02 0.02 o4 906 Environmental Characterization Report Airtek Project 405-0867 — January 10, 2006 Fiterman Hall, 30 West Broadway, New York, NY NYC 9/11 Public Portal Document