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Invoice for asbestos sample analysis, 44 Wall Street

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Invoice detailing billing for bulk and air sample analysis results including PLM, PCM, and TEM testing at 44 Wall Street.

NYC-WTC_000094912–000095002

Folder label: “44 WALL STREET Block: 43 Lot: 1

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NYC 9/11 Public Portal Document

Hillmann Environmental Group, LLC

SECTION 3- RESULTS

3.1 Temperature, Relative Humidity, Carbon Dioxide, Carbon Monoxide, Volatile Organic Compounds, Hydrogen Sulfide, Oxygen and Combustible Gasses.

Investigation Date: September 15, 2UU1~` Temp: CO CO . VOCs Location Time . RH (°F) :: (PPm)` : (PPm) . (PPm) <'(ppm) ' (%) ;.. .. (:%) 66 0o 30% to <1235 <9.0 <0.1 Target Range . <0.3 <10 >19.5 76 60% Lobby 12:02 69° 39% 521 1 LOD LOD 20.7 LOD

invectivatinn Date: Septemher 21. 2001 Temp, • CO2 CO" VOCs H2S O2 LEL • '_• Location r Time (°F) : RH (p m) (p m) . (%) . (P m);' ( m) (%) 66 to 30% to Target Range = <1221 <9.0 <0.3 <10 >19.5 <0.1 76° 60% 24`s Floor 12:04 78° 54% 950 1 7.4** LOD 20.8 LOD

17"' Floor, Near Freight 12:08 770 53% 1044 2 LOD LOD 21.1 LOD 17th Floor, Capstone 12:11 76° 51% 1007 2 LOD LOD 21.1 LOD Space 11th Floor, Reception of 12:14 78° 69% 878 2 LOD LOD 21.1 LOD Costello, Shea & Gaffney 5th Floor, Empty Space 12:16 76° 61% 771 2 LOD LOD 21.1 LOD

InvPcfioatinn Date! netnhor 4. 20fl1 `` Temp . : COZ CO; ;VOCs H2S O2 H,' Location : Time ° RI m m % -_ m m' .: 66 to 30% to <1232 <9.0 <0.3 <10 >19.5 <0.1 Target Range ;• 76° 60%a Lobby 14:20 770 50% 766 LOD LOD LOD 21.1 LOD

Penthouse 14:26 750 51% 902 LOD LOD LOD 20.9 LOD 17 Floor, Capstone 770 LOD LOD LOD 21.1 LOD 14:32 50% 777 Group 16"' Floor 14:35 770 49% 870 LOD LOD LOD 21.1 LOD

9°i Floor 14:39 75° 48% 835 LOD LOD LOD 21.1 LOD

6°i Floor 14:42 75° 50% 794 LOD LOD LOD 21.2 LOD

LOD= Measurement was below the Limit of Detection for the method used.

*= Building floors remained closed due to power outages. **= Elevated reading can be attributed to adjacent roofing activities.

Cushman & Wakefield/ 44 Wall Street, New York, NY/Project Number N3-7476 Page 5

NYC-WTC 000094937

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NYC-WTC_000094937Source: NYC Law Department, mirrored locally

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