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Document / 4 pages

TEM air analysis report, 125 Liberty Street, Oct 2002

Machine-extracted title · confidence 95%

Transmission electron microscopy results for air samples collected during DEP cleanup operations at 125 Liberty Street.

NYC-WTC_000107938–000107941
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NYC-WTC VATC ASSOCIATES INC. 000 PROJECT INFORMATION 1. Client: DEP 941 ฿93J- AIR MONITORING DATA AND 10/13 CHAIN OF CUSTODY FORM 3449-3461 2. Proect nEP 35:1250 6-0002 4. Project Monitor: ~Y За. Task # 0000% 4a. Air Sampler: E 7.•PCM (0.8 micron MCE) Cassette/Filter Manufacture Lol # 8. [TEM (0.45 micron MCE) Cassette/Filter Manufacture MME 9/6 a. • Background b. _ Pre-Abate D2hrs • 4 hrs Page TURNAROUND TIME •6 hrs •48 hrs •] 24 hrs • 72 hrs of • Standard • Other 4c. Rotameter Number: SD -006 5. Date: 10.04.02 6. Abatement Location: Around brilding Lemanovich c. Abatement d. • Post-Abate e. DOSHA f.C Environmental g.• Ambient n.NotherCleaving JAILY AIR SAMPLE RECORD 10. Sample 1.D. Number 01 02,03 04 05 06 07 Pump Number 12. Sample Location IWA OWA 12c. Sample Coordinates 13. Time (24 hrs clock) 13a. Start 13b. End 13c. Total 14.Flow Rate (L/min.) 14a. Start (14b. End 14b. Avg Total Air Vol. (liters) # Fibers/Fields Minus Blank Fiber Conc. F/CC Field Blank 09 10 12 12 Field Blank Enfront of building I back ftüeding 06:30|14:00 450 06:31/14:01 450 06:49/4:10 450 06:4/14:11 450 06:42 14:19 450 06:43 14:13 450 106:44/14:14 450 Restaurant Clean room gfuleca06:50 /4:20 450 HalC. 06:5214:22 450 2"-Floor. Clean reomo deca06:54/4:94 y50 18 00 1800 1800 18 00 1800 1800 1800 1800 1800 1800 CHAIN OF CUSTODY 18. Relinquished By: 1E Lamamorich 19. Received By: 26. ATC Proiect Manager: B Sallemi 27. Result To: Beeper/Phone #'s 20. Date: 10.4.2 ıc|ü|02 21. Time: 16:00 Sallemi WHITE - File YELLOW - Client/Report LAB INFORMATION (ATC ELAP # 10879, ATC NVLAP # 1187) 22. Lab Name: a. Analyzed By: b. QC By: C. Lab Batch #: 23. Date: 24. Time: 1016N1o 28. Comments: 25. Microscope Make/Serial #: • Nikon Labophot 238913 • Nikon Labophot 238917 • Nikon Labophot 239079 Analysis Methodology PCM - NIOSH 7400A (TEM - AHERÀ PINK - Lab GOLDENROD - Field NY-1 (1/01) NYC 9/11 Public Portal Document

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NYC-WTC_000107941Source: NYC Law Department, mirrored locally

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TEM air analysis report, 125 [name], Oct 2002 · Box DEP Box 38

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TEM air analysis report, 125 [name], Oct 2002 · Box DEP Box 38

NYC-WTC_000107360

Chain-of-custody letter from ATC Associates to DEP documenting transmission electron microscopy results for asbestos clearance at a DEP cleanup site.

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