Document jy5qoyM4kp0OyXj2Kgk4Y99xp

PLAINTIFF'S EXHIBIT Case; 48106-3 Instruction Sheet for Packaging and Collection of Asbestos Samples Mailed to Bell Labs for Analysis BsS Labofatodes at* *ay 1580 fiom. Bell System Service Group INSTRUCTIONS Many asbestos samples stalled to Bell Laboratories for analysis are Improperly packaged and thus present a hazard to the receiving party upon opening. Bulk samples are sometimes packaged with air samples which can contaminate the air samples and make analytical results questionable. This instruction sheet liata proper collection end handling procedures for asbestos and samples suspected of containing asbestos. Bulk Asbestos Sample Collection from Insulation Correcti 1) A bulk sample is collected to determine whether or not the suspect material contains asbestos. 2} A small sealable glass or plastic capped container such as quarter collection tubes sold at the 5 * 10 should be used to collect the bulk sample. 3} Holding the container as far as possible from the face, obtain a full thickness core sample by penetrating the surface with the container using a twisting motion. 4) Any surface coating such as paint must be penetrated. The container is then capped* wiped* and sealed with tape. 5) Large bulk samples such as asbestos blankets should be submitted contained in heavy sealed plastic bags. Incorrect: Samples should not he submitted in: 1) Baggy plastic hags 2) envelopes 3i wrapped in Cellophane / 4) Wrapped in aluminum foil 5) Wrapped in paper towel Air Sampling for Asbestos Using Cassettes Correct; 11 Take an open face sample ,, 2) Sample at approximately 3 liters/minute. 3) Send s blank filter, 41 Send a copy of data sheets. S). Label ell samples. LLA 001690 instruction* - 2 Iscorrsct* 1) Don't mail original data sheets . 2) Don't package air samples with bulk samples unless both are tightly sealed and separated . Copy to All persons submitting asbestos samples to Bell Labs for analysis. LLA 001691