Document Gzoa02MjB42oJ85LL95pZzgaV

400 Hingham Street. P. O. Box 369, Rockland, MA 02370-0369 (617) 671-6040 December 10, 1986 Marlyn Engineering Corporation 20 Pond Street Whitman, MA 02382 Attention: Mr. Dick Brennan Reference: Air Cassette Analysis Briggs Project No. 7093IMA PLAINTIFF'S EXHIBIT Dear Mr. Brennan: Attached are the analysis results of two asbestos air monitoring cassettes which were received by Briggs Associates, Inc. on December 9, 1986. The air cassettes were collected by persons other than Briggs personnel. Briags Associates, Inc. is not responsible for the methodology used in the collection of samples submitted for analysis only. The samples were analyzed by Briggs Associates, Inc. in accordance with appropriate test methods applicable for air cassettes (NIOSH Analytical Method #P & CAM 239). If you have any questions concerning this report, or if we may be of further assistance, please do not hesitate to contact me at your convenience. Sincerely yours, BRIGGS ASSOCIATES, INC. ^ /mL James S. Litrides,- I.H. Manager of Industrial Hygiene Services JSL/lat Enclosure 004098 BIRD 015715 Table 1 Airborne Asbestos Monitoring Results Analysis Date 12/10/86 12/10/86 Sample Number 1210-1 1210-2 DescriDtion Bird, Inc. (12/02/86) Bird, Inc. (12/08/86) Concentration (Fibers/cc) 0.0002 0.0012 i3l icm -- in\ '\nJ&*SV' pA, dsrto^ Analysis conducted in accordance with NiOSH Analytical Method P & CAM #239, "Asbestos Fibers in Air", based on the air volume and sampling times supplied by the client 004099 BIRD 015716 102 BIRD 015714