NYC-WTC_000210417

NYC 9/11 Public Portal Document tMSL Li FAlat ay iU/Lb/ZkJDL k)y:Jb bibyy / /ti2b

20S Stonekinge Lane EMSL Analytical, Inc. Carle JPIace. NT 1/514

Phone: (516) 997-7251 Pax: (516) 997-7S2S EMSU Attn.: STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15, 2001 (EM & CA) P.O. Box 872 Ref Number LI0115738 Somerville, NJ 08876

POLARIZED LIGHT MICROSCOPY (PLM) - POINT COUNT Performed by EPA 600/R-93/116 Method* Project: 110 CHURCH ST NY. NY

Sample asbestos NON-ASBESTOS Sample Location Appearance Treatment % Type Fibrous % Non-Fibrous 110-10-001 10THFLR/SE Grey Teased/Crushed <1%Chrys9tite 80.% Min. Wool 20 % Olher ~ CORNER Fibrous Heterogeneous

50-10-002 10TH FLR ( Grey TeasetJ/Cnished 0.23% Chrysotile 40.% Min. Wool 59.77% Other ELEVATOR bank Fibrous < 1% Amosite Heterogeneous

50-10-003 10THFLR/SSIDE Grey Teased/C rushed Norte Detected 10.% Min. Wool 90.% Other Fibrous Heterogeneous

50-15-001 1STHFLR/SW Grey Teesed/Crushed 0.48% Chrysotile 40.% Fiber Glass 59.52% Other SIDE OFFLR Fibrous Heterogeneous

50-15-002 15THFLR/S Nor Submitted CENTER SIDE ELEV BANK

1110-15-003 15TH FLR/ESIDE Grey Teased 0.24% Chrysotile 3Q.% Fiber Glass 69.76% Other Fibrous Heterogeneous

Commants; For all obviously heterogeneous samples easily separated into subsamples, and for layered sarnples, each component is analyzed separately. Ateo. "# of Layers" refers to number of separable subsamples. ■ NY samples analyzed by ELaP t98.1 Method.

Note: **Two samples were submitted with ID50-2B-0Q2. both results given.

Michelle McGowan Approved Analyst Signatory FLM ros known Uj mus ssbealM bi a small pareamaQa c* sampiM which ccxnaln ••Metos. Thus neo«tj*o PLM uOs cannot be Ov«rHo«d. £MSLdugD«st>OwtMrnplesnBpone<]as<1*9rrt0nedetecMbotoste<)wah««ih«rS€MorTEM. The above lest report relalaa only to 9 the Hamt losisd. Thia import fnay not bo roprocKicad, except h fufl. whhout wntton approval by 6MSL Tha above must net ba. wad by Iha cl^ Io dalm prodod «*fxJorBOfT>onl by NVLaP nor any aponcy of Iho United Stataa GOemmant. Laboratory is rwl raaporwiblo for tba accufscy of msuAa whan roquostad to pt.ysicaUy saparato and aneriyz* layarad aampla*. (is portormetJ by EMSL Long Island {NVLaP Air and BuKt #l(MM8-ia, NT ELAF 11489. CA ELaf 2339, CT PH-0243)

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CITY D E P_W0 RBY_CAN NATA_SU B P_000021188

NYC-WTC_000210425