NYC-WTC_000196328

NYC 9/11 Public Portal Document

Hilmann Environmental Group SampSng Data One World Financial Center Brookfield Financial Properties

1 WORLD FINANCIAL CENTER Air Sampling Dust Lead Mercury Location or Compass Sample TEM Air TEM Air TEM Bulk ASTM 57S6 ASTM 5755 Lead Date Sample Number Floor Surface/Component PCM (fb/cc) PLM (%) Point Count Lead pg/ff mg/m’ Point Volume (struc/cc) (strucAnm) (*) (% weight) (struc/cn?) mg/kg«ppm TSnnWoo^BTigmr 09/24/01 MM9/24/D1-04 1 SE office________ 900 0.0086 20 09/24/01 MM9/24/01.06 Silver Rail to Polce Lobby 700 0,0110 20

09/24A)1 MM9/24/01-10 S. Entrance Halway Column 900 <0.0043 <10 09/24/D1 MM9/2440M2 S outside Buildings Ent 0.0053 JL 09/24451 MM9/24/01-13 SiNer Rail to Potce Lobby 730 0.0105 20 09/24/01 NW _______ Lobby NW_______ 600 0043 0.0385 HL 09/24/01 S-03 / K4Q254 NE ________ Lobby NE_______ 600 0.029 0.0128 20 09/24/01 S-04 HL ________ Lobby SE________ 1200 0.0226 -IL 09/24/01 S-05 / K40252 NW _______ Lobby NW 600 0040 0.0257 HL 09/24/01 S-06 SW ________Lobby SW_______ 600 N/A 09f2Mi1 NE ________ Lobby NE_______ 600 0-0257 HL 09/24/01 3= NW _______ Lobby NW_______ 600 0.0449 70 09/24/01 ^08 / K40255 HL ________ Lobby SE_______ 600 0020 0.0385 HL 09/24/01 S-1O/K40253' SW ________Lobby SW_______ 600 0006 0.0257 40 09/24/01 S-11 /K40258 NE Lobby NE 600 0039 0.0321 HL 09/24/01 S-12/K402S9 600 WT 0.0064 10 S Ent Outside ot Work 09/24451 K40266 1 S Room 600 0 027 09/24/01 K40267 S 600 0.028

09/24/D1 K40268 S ________ Office________ 600 0.039 09/24/01 K40275 S S Ent NE Halway Column 900 0.037 09/24/01 K4Q276 SE Ent to ^ookfieid mgmt SE 900 0,017 Silver Stair Sail to PoSce 09/24451 K40278 1 _________ Lobby 700 0.019 09/25/01 K40332 S S. Entrance Buildng 120 <0,02 09/25451 MM0925O1 S Hai Near Elevators JOO <0.0055 <10 E Silver Rail to Poice Lobby 700 <00055 <10 feast of Materriity Office 09/25/01 MM092504 E r- 220 0,0055 10 Outside Brookfield Mgmt 09/2SX)1 MM092505 _________ Office 860 0.0045 10 09/25/01 MM092506 -L- SiNer Rail/East Poice Area 950 <0.0041 .^12. 09/27/01 K43729 NW _______ LTNorthwest H2a_ 0.034 09/274)1 K43761 HL _______ UNodheast ______ LZSoufrTwest 1200 1200 0.010' <0.002 09/27/01 K43782 SW O 09/27/01 K43783 _______ L/Nodhwest 1200 0.010 09/27^1 K43784 HL _______ L/Southeast 1200 0.006 1^ 09/27/01 S-03 NE _______ IjNortheast 1200 <0.0032 09/27/01 S-05 / K43785 NW UNortw/est 600 0017 <0.0064 <10 o 09/27/01 S-06 / K43786 .set USoulhwest 600 0.022 0.0064 10 m 09/27/01 S-07/K43787 HL L/Nodheast______ 600 0.024 0.0128 20 09/27/01 09/2'^01 S-08 HL L/Southeast 600 <0.0064 -HL- S-10 NW _______ L/Nodhwest 600 <0.0064 <10 § 09/27/01 S-11 SW _______ L/Southwest H2L <0.0064 <10 o 09/27^1 09/27/01 S-12 S-14 1 NE _______ L/Noflheast ___________PL__________ 600 600 0.0064 <0.0064 <10. 10 30 <0.0064 00 09/27/01 S-1S __________ ML__________ H2L <10, 09/27/01 S-26 NW _______ L/Nodhwest 1200 00096 H2_ 09/27/01 S-27 ______ L/Southwest______ 1200 00160 50 09/27/01 S-28 NE _______ UNodheast 1200 0.00^ 30

52 09/27/01 09/27/01 09/27^1 S-29 S-30 S-3t 1 SE _______ L/Souttieast ___________PL__________ __________ ML__________ 1200 1200 1200 0,00^2 0.0160 0.0128 HL- 50 ■ 40 ■ 2 09/27^1 K43730 SW _______ Lobby SW_______ 600 0050 > 09/27/01 K43731 HL Lobby NE "" 600 0.029. 09/27/01 K43732 SE ________ Lobby SE_______ Filter Fault 09/27/01 K43733 1 ___________ PL__________ 600 0.020 K43734 __________ ML__________ 600 0.024

<z K437S8 S-01 /K438eT HL _______USoutoeast L/Southwest 600 1200 0.024 0.014 Ovefioad Overload 09/28/01 SW 00 CA = Chrysolite Asbestos DC = During Cleaning o NVA= No Visible Asbestos IWA = Inside Work Area o AQ = Air Quality o NAD/NA = No Asbestos Detected 01/11/02 o FAT = Final Air Test OWA = Outside Work Area o 07 00 00 o

NYC-WTC_000196329