NYC-WTC_000196328

NYC 9/11 Public Portal Document

Hiltnann Environmental Group Samping Data One World Financial Center Brookfield Rnancial Properties

1 WORLD FINANCIAL CENTER Sample information Air Sampling ulk Sample Dust Lead Wefcury Location or Compass Sample TEM Air TEM Air TEM Bulk ASTM 5756 ASTM 5755 Lead Date Sample Number Floor Surface/Component PCM (fb/cc) PLM{%) Point Count Lead mg/m’ Point Volume (struc/cc) (struc/mm) (%) (% weight) (struc/cm^) mg/kgsppm 09/24/01 09/24/31 BS-31/J60231 BS-32/J60232 16 16 NW SW M... 16*1 SW NAD NAD NZA N/A 09/24/01 BS-33 / J60233 16 NE lethNE CA Detected N/A 0S/Z4431 BS-34/J60234 16 SE lemsE NAD N/A 09/24/01 BS-35 / J60235 16 16th Center CA Detected N/A 10/11/01 BS10/11/D1-01 16 NE Office NE Comer Yes N/A 10/11/01 BS10/11/01-02 16 NE NE Offices Center Yes N/A 10/11/01 BS10/11/01-03 16 SE Offices SE Comer <1 Yes N/A 10/31/01 BK01 16 NE Chair NVA N/A 10/31/01 BK02 16 NE Ceiing_______ NVA N/A 10/31/01 BK03 16 ParWon NVA N/A 10/31/01 BK04 16 SE ______ Ceiir^_______ NVA N/A 10/31/01 BK05 W Parlilion NVA N/A 10/31/01 BK06 16 W Ceiing NVA N/A 11/05/01 TB-TB-119 16 W W.Side of Floor 891 11/05/01 TB-TB-120 16 W W.Side of Floor <891 11/05/01 TB-TB-121 16 W W.Side of Floor <1070 11/08/01 MOC/WFC 1021 16 SE Cubicle 16BB30 3,210 11/12/31 10-WFC-12 16 NE Inside duct 12,840 11/29/01 K62280 16 N North End Red Zone 1200 0.004 11/29/01 K62280 16 N End Red Zone 1200.000 0.0040 11/29/01 K62281 16 S South End Red Zone 1200 0.004 11/29/01 K62281 16 S End Red Zone 1200.000 0.0040 11/29/01 K62282 16 N North End Red Zone 1200 0.002 11/29/01 K62282 16 N End Red Zone 1200.000 0.0040 11/29/01 K62283 16 South End Red Zone 1200 0.006 11/29/01 K62283 SEnd Red Zone 1200.000 0.0040 11/30/01 K62450 16 N N of Red Zone 1280 <0.002 11/30/01 K62451 16 S N of Red Zone 1280 0.002

11/30/01 RL-1130-1 16 near freight tobby OWA-WO 1302 0.017 <0.0030 <10 11/30/01 RL-1130-2 16 nr bldg malnt oWj^WO 1267 0.010 <0.0030 <10 HaVway By Men's Room - 11/30/2001 RL-1130-5 16 OWA WO 1680 0.006 11/30/01 K62450 16 N North End Red Zone 1280 <0.002 11/30/31 K62451 16 S 1280 0.002 OWA-WO Hal Near Ladies'' 12A5W1 RL-1201-2 16 Room 1624 Overload <0 0047 <20 o OWA-WO Hal Near Men's 12/01/01 RL-1201-3 16 Room Overload Overload Overtoad OWA-WO Hal Near Ladies 12«W1 RL-1201-6 16 Room 1442 Overload <0 0044 <16.7 o 16 OWA-WO Hal Near Men's 1442 Overload m 12/01/01 RL-1201-7 Room AQ HEPA Exhaust Red <00044 <16.7 "O 12/13/31 16 NE Zone 1440 0.003 AQ Center Fk)or Rear B2 § 12/13X)1 2 16 C Stairs 1440 <0.002 O 01/06/02 FAT Freight Etevator Hal 1200 <00046 <14.3 J] 16 SW FAT Hepa Exhaust 1200 <0.0046 <14.3 DO 3 16 S ________ FAT Wing________ 1200 <00046 <14.3 01/06/02 16 W ________ FAT Wing________ 1200 <0.0046 <14.3 01/06/02 5 FAT Center Passage 1200 <0.0046 <14.3 'o 01/09/02 K70171 16 NE Floor Adi. NE Side 2100 0.0596 325 > 01/14/02 LF1/14/02-01 16 NE AQ/NE Area 1200 <0.0046 <14.3 z 01/14/02 LF1/14/02-02 16 NE AQ/NE Area at HEPA 1200 <0.0046 <14.3. z 01/14A)2 LF1/14/02-03 16 16 SW AQ/SW Area 1200 1200 <0.0046 <14.3

> 01/14/02 01/14/02 LF1/14/D2-04 11:04 16 SW NE AQ/SW Area at HEPA Comer <0 0046 <14.3 000 01/14/02 11:05 16 SW Comer 000 RP1009 HalwayA^. 01/04/02 ^0112 16 Elevator Bank 1440 <0.002 <5 RP1012 HalwayAc|. (= 01/04/02 K7O115 16 Elevator Bank 1280 <0.002 <S □J “0 CA = Chrysotile Asbestos DC = During Cleaning I NVA = NO Visible Asbestos o IWA = inside Wort Area o NAD/NA = No Asbestos Detected AQ = Air Quality o FAT = Final Air Test OWA = Outside Work Area 01/11/02 o o GO CO ro GO

NYC-WTC_000196375