Document Em690MvXwo7M3V0MZLqwqVDQg

PLAINTIFF'S EXHIBIT DUP-1401 AC:'.b;CS i: Ain. SYTVEY TESTED 3/21/57 ASBESTOS '.OGEES' SEC? SPRl'ANCE COMSTDi'CIIC" NOTES: N *= Negligible - Less than 100 particles per cubic foot ET ** Extreme Trace - 100 to 1. COO particles per cubic foot ST = Sniall Trace - Over 1,CC0 particles per cubic foot T ** Trace - Over 5,000 particles oer cubic foot but less than .2% of T .L.V. TEST NO. 41 42 43 44 45 46 47 48 49 50 51 OPERATION Band Saw Slitting on Table Saw Bandsaw Sander Hand Tools Shoo (General) Bandsaw Outside VOID Blank Blank MATERIAL Calcium Silicate Maronite !Iaronite Maronite Maronite Various Maronite -- -- (For Control) (For Control) FINDINGS ET T ST ST ET ST ST ET -- April 11, 1967 DUP 1111085 0-1-1 DU 055077 v.uasozks waaa ccwsntscnov COSSTRXTIOB DIVESIOl 2. 2. BOTEt Divisioi stfm sumnoiweat UXJVEJLS BUOOG Janaary 27, 1767 a. 3. Boyce - UojvuirA. i,uach Chacherg works L. V. THAXCSU "ATETT mcnctt Z3XE1VH BXIOB ASBESTOS SURY1T we are attaching list of preliminary findings of cereals operation# and function.* involving asbeeCoe fiber exposure. Cose 1 us lone are not feasible at this das slaca we have see conpleced aay personal noaltOTlag and the coasts os after-filters bare sot bees added. (These coasts, although not required far legal purposes . d*> appear to be higher thee the iapisger coasts. This indicates s finer Must present asd poses other considerations). Although no counts hare exceeded tbe threshold Units, It oast be kept In nind that we will always have to prove this on e continuing basis. When *w fibers ere found. It Indicates tbs potential for greater concentrations, also, eves though we shot down idnut systems, we have taken the ssasple# under relative ly faverabl* conditions. Results shown are total counts. Other sites need to have tests run. LVT:knt Attach. dup 1111086 o '; : / . i X)U 055078