NYC-WTC_000196328

NYC 9/11 Public Portal Document

Higmarm Environmental Group SamiMing Data one World Financial Center Brookfield Financial Properties

_1WORLDFWANC1AL_CENTE5^ Sample Information Air Synplinq Bulk Samples Dust Lead Mercury Location or Compass Sample TEM Air TEM Air TEM Bulk ASTM 5756 ASTM 5755 Lead Date Sample Number Floor Surfaca/Component PCM (fb/cc) PLM (%) Point Count Lead pg/ft^ mg/m’ (%) w Point Volume (struc/cc) (struc/mm) (% weight) (struc/cm^) mg/kg«ppm 09/24/01 BS-36/J60236 15 NW CA Detect^ N/A BS-37/J602'37~ 09/24/01 2^ SW 15th SW NAD N/A 09/24/01 BS-38 / J6023d 15 NE 15friNE CA Detected N/A 09/24/01 BS-39 / J60239 15 15tlSE NAD N/A 09/24/01 BS-40/J6O240 15 “c~ 15lh Center CA Detected N/A 10/03/01 K44303 16 NE NE Center 450 0.007 10A03A)1 K44304 15 N N Center 450 0.008 10/03/01 K44305 15 N SE Comer 450 <0.006 10/11/01 BS10/11/01-04 15 NE Offices NE Comer Yes N/A 10/11/01 B510/11/01-05 2^ NE NE Offices Center NAD Yes N/A 10/11/01 BS10/11/01-06 15 NE Offices SE Comer Yes N/A 10/16/01 <50639 15 Outside CtA. 15W028 1300 0005 10/22/01 LB-10-22-01-01 Computer Room Ent 720 Overload Overload 10/22/01 SM10/22/01-01 15 NE Office Entrance 1200 <0.0046 <14.3 10/22/01 SM10/22/01-02 15 Comp. Entrance 1200 <0.0046 <14.3 10/22/01 SM10/22/O1-03 15 Elevator B Bank 1200 <0.0046 <14.3 10/31/01 BK07 15 NE Parfllion 83460 780.0 I NVA N/A 10/31/01 BK08 15 NE _______ Ceiling_______ 1070 100.0^ NVA N/A 10/31/01 BK09 _ 15 SE _______ Chair_______ 7490 350.0., NVA N/A 1001/01 BKIO 16 W ________ Wal________ 802 75.0 NVA N/A 10/31/01 BK11 15 W _______ Ceiling_______ 17120 800.0 . NVA N/A 10/31/01 BK12 15 NE Wal 8025 ysQ.e NVA N/A 11/05/01 TB-TB-116 16 W W.Side of Ftoor 536 11/05/01 TB-TB-117 15 W W.Side of Ftoor 2675 11/05/01 TB-TB-118 15 W W.Side of Ftoor 891 11/12/01 10-WFC-09 15 SE Inside duct 38,341 11/12/01 10-WFC-1O NE Inside duct 83,460 11/21/01 JP112101 01 15 N _______ j-iatway______ 1440 0.009 11/21/01 JP112101 02 15 _______ HalwaY______ 1440 0.002 11/21/01 JP112101 05 15 N _______ Halway 1440 0.016 11/21/01 JP112101 05 IS N Hamway DC/AQ 1440 0.0178 66 7 11/21/01 JP112101 06 15 W _______ Halway______ 1440 0-013 11/21/01 JP112101 06 15 W Halway DC/AQ 1440 0.0045 16.7 11/26/01 K61419 15 NE NE Comer 1800 0.018 11/26/01 K61419 15 NE Comer 1800 0.018 11/26A)1 K61420 15 NC NC Column 1800 0.002 11/26/01 K61420 15 NC _______ Column______ 1800 0002 11/26/01 K61421 IS Near Freight Elevator 1800 0.006 o 11/26/01 K61421 15 Near Freight Elevator 1800 0.006 11/26/01 K61422 15 S 1800 <0.002

,3o 11/27/01 11/27/01 11/27/01 11/27-01 11/27-02 11/27-03 IS 15 15 NE SE poly barrier poly barrier p(My barrier 1200 1200 1200 <0.0046 <0.0046 <0.0046 <14.3 <14.3 <14.3 m 11/28/01 LF 11/28 3 15 AQ HEPA Exhaust Red 1440 <0.002 "0 1S 12/13/01 5 NE ________ Zone________ 1440 0.002 01/14/02 11:09 15 NW Corner 000 § 01/14A)2 11;11 15 SE Comer 000 O J] DO

'o > z z >

c 03 1”° CA= Chrysotile Asbestos DC = During Cleaning o NVA = No Visible Asbestos IWA = Inside Work Area o NAD/NA = No Asbestos Detected AQ = Air Quality o FAT = Final Air Test OWA = Outside Work Area 0V11Z02 o o ay co ro or

NYC-WTC_000196374