Document rBZamxQwYEZwoJ0X8a8aLwZEr

/ *.'//VV ETHYL CORPORATION INTER-OFFICE CORRESPONDENCE TO o. D. Motsinger ADDRESS ENCLOSURE 12 PLAINTIFF'S EXHIBIT ETCO-708 FROM Henry M. Taylor address New Orleans subject Sodium Cell Asbestos Application date October 18, 1972 This is in response to your request for evaluation of the subject process in the sodium area at the Baton Rouge plant. SUMMARY: The data collected and displayed in the attached table indicates operator respiratory protection is not necessary for asbestos exposures encountered during this process. EQUIPMENT AND METHOD: Air conveyed asbestos was collected by personal and environmental sampling upon open face Millipore type AA filters (37 mm, 0. 8 p. pore size) using MSA Montair pumps operating at a sampling rate of 2 l/m. The samples were mounted in a high-viscosity solution of membrane filter material for counting. Asbestos fibers were counted at 400 x magnification using phase contrast illumination with a Leitz Labolux microscope. Data handling followed that of generally accepted con servative good practice since standard methods have not as yet been established. Please let me know if there are any questions pertaining to this report or relating to asbestos in general. '/s). HMT/kf Attachment Hennrryy M< Taylop' cc: R. C. A. Bock S. A, D'Armond W. E.' Rinehart W. C. Strader \ ETH00002807 B a to n R ouge P la n t, E th y l C o rp o ra tio n , A sb e sto s A p p lic a tio n to H o o ke r C e ll Cathode S e p te m b e r 28, 197 2 d u ra tio n , *#o 00 o Ho * m <u P f*t *-< O o vO o' o o o' 00 NH nip CO CO r*04 0 dd H Mr< iX P. CO CO 00 Hu M-i Oo CO . CO o o o <1? (1) o CO o a a o" o o' *> > d ?h 0) *-H CO a 4oJ a Tl i>> d 4J-->4 M p (d, o <D CO CO 0 o o & u u d H CO 03 o +-> CO (D p CO o&r** <$ d cj tJ cj 4d-i d CO 4O-> W tH d rQ Hd d0 0) a. d Og PU .^a 3<0 ao a td <U p 'p o9 a^ nft5 o H . ro o* 6 S to CO ' td d a) s 0gH td td W to CO 0 rO 4-i 0 CO CO 0 H W) P O 4 0 bX) 2 CO 0o X K 0 d to it S' p +<Ju o ._p td <U T) p tt) M ts g ?o to td Po u s. P rf ro *H ) in ^ m PO P PO P +J P W> (D Tf or--l P cd p (0 <u P o P P+j <u p 4-> P P<0 to o ua p p *<u U n<Do td p g <D > P td in T<3D 0) X B d 0 SM d CO 0 gM d CO / i--04 a, 0 I--1 0 0 gM d CO X r-i s d CO gM d CO g d CO bo d PQ- bjo d\ PQ p .5? ^ <D DP(UO 0^) PP .g5 tu <; a h E-i d# CO (NJ CO to vO r- #* * i ETH00002808