NYC-WTC_000210417

NYC 9/11 Public Portal Document Mak lie if, tl ttt alae FP O2e . 208 Stonehinge Lane EMSL Analytical, Inc. canertce,xv 11516 Phone: (516) 997-7251 Fax: (S16) 997-7528 Attn.. STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15, 2001 (EM & CA) P.O. Box 872 RefNumber: (10115738 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 w% Fibrous % Non-Fibrous 50-07-001 7TH FLR/SW Grey TerasediCrushed None Datected 80.% Cellulose 20.% Other CORNER Fibrous Heterogeneous 50-07-002 7TH FLRINE Grey Teasad/Crushed None Detected 30.% Cellulose 40.% Other CORNER Fibrous 30.% Min. Wool . Heterogeneous 110-07-003 - 7TH FLR/SE Grey Teasad/Crushed None Datacted 30.% Cellulose 40.% Other CORNER Fibrous 30.% Min. Wool Heterogeneous ™~ ‘1 B2-50-002 Grey Taased < 1% Chrysotile 1.% Cellulose 95.% Other , - | Fibrous 4.% Fiber Glass Heterogeneous Comments: Fer all obviously heterogeneous samples easily Separated into subsamples, and for layered samples, each component is analyzed separately. Also, “# of Layers” refers to number of separable subsamples. ‘NY samples analyzed by ELAP 198.1 Method. Note: “Two samples were submitted with 1050-2B8-002, both results given. Miron Apfeldorfer ee pproved Analyst Signatory Disclaimars; PUM has been kiawn & mss in & sma percentage of samples which contain asbestos. Thus negative PLM pesuils cannot bo guerenteed. EMS\ suggests thal samples reported as <1% of nonin detected be taated with either SEM of TEM. The above test report rotates only to 12 the tems tested. This report may not be reproduced, except in full, whhout written approval by EMSL The above tes must not be used by the cliant to claim product endorsement by NVLAP nor any agency of the United States Government. Laboratory it nal responsible far the sccuracy of results when requeated 10 pitysically ave A yaix performed by EMSL Long leland (NVLAP Ait and Bulk 2101048-10, NY ELAP 11489, CA ELAP 2339, CT PH-0248) ; | CITY_DEP_WORBY_CANNATA_SUBP_000021191 NYC-WTC_000210428