Document OmM02qggJerONk4MV1JgZjp1

onsanto ^ p ^ N L - l C C A * . 0 .* J - - rtO M Ij C \ ~K-- t 'J / ri Re: Item 8 (a ). My d ic t io n a r y d e fin e s "b y -p ro d u c t" as "som eth in g produced in a d d itio n to the p r i n c i p a l p r o d u c t". To con tam in ate i s " to make . . . impure by a d m ix tu re ". T h e re *s no d is p u tin g th e f a c t th a t the aforem entioned "d io x in s" contaminants in -our chlorophenols. However, I*m a f r a i d we w i l l be g u i l t y o f d e c e it i f we deny th a t they might n ot a lso be by-products. C e rtain ly the fa c t th at TCDD c o n c e n tr a tio n s d e c lin e d fo llo w in g c e r t a in changes in o p e r a tin g p ro ced u res a t WGK arg u e s th a t they were b e in g formed as by products o f m anufacture. E sp e c ia lly sin ce those changes were d esig n ed to e lim in a te TCDD fo rm a tio n . Re: Item 8 (b ). I t i s a c c u r a te to say th a t we have n o t d e te c te d con tam in ation o f our produ cts by polych lorod iben zofu ran s i f "p o ly " equ als three o r more. Very low ( < 50 ppb) le v e ls o f mono- and d ich lo ro d ib en zo fu ra n have o c c a s io n a lly ap p eared . (We a r e somewhat s k e p t ic a l about the v a l i d i t y o f th e se r e s u l t s , b u t we c a n ' t deny "them a t t h i s tim e .) JDW/bh ?.s. /& si-- > yfai D. W ilson ft * Tr .t cianfla