Asbestos TEM air analysis results, 130 Liberty Street, April 2008

NYC 9/11 Public Portal Document

• RT Lee Group, Inc. Preliminary Laboratory Report (cont'd) RJ Lee Group Job No; TLN704891-564 R.J Lee Group, Inc. Building: 130 Cedar Street Report Date: 4/5/2008

Title: TEM Air Analysis Concentration Sample Collection Filter Area Asbestos Analytical RJLG Sample Sample SU rt Data-Time Area Volume Analyzed Structures Sensitivity Number Type End Date-Time Floor-Sub Location-Location (mnY) (liter) (mni^) Chry Amph (S/mrrF) (S/cc)

5276351.HT Area 4/3/2008 - 07:18:00 (Roof) ■ North ■ 8 - Roof, North 385 1742.4 0.11791 0 0 <8.5 <0.002 4/3/2008 - 15:22:00 Facade 8,5 0.002

Notes; 1. Volumes provided by RJ Lee Group, Inc. were used to calculate analytical results and sensitivities. 2. indicates results less than analytical sensitivity. ” indicates that sample was not analyzed. 3. Sample(s} for this project were analyzed al our: Monroeville, PA (AIHA #100364, NVLAP #101208-0, NY ELAP #10844) facility. 4. If RJ Lee Group, Inc. did not collect the samples analyzed, the verifiability of the laboratory’s results are limited to the reported values. 5. Abbreviations: N/A-Not Applicable, Chry-Chrysotile Asbestos, Amph-Amphitxrlc Asbestos, S-Structures. 6. Samples will be held for 50 days and then disposed of per Federal regulations. 7. These results are submined pursuant to RJ Lee Group's current terms and conditions of sale, including ths company’s standard warranty and limitation of'liability provisions. No responsibility or liability is assumed for the manner in which these results are used or interpreted.

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