Document Y9jLbRe8xkyKVzRnxoe03y0gN

ETTCO WIRE & CABLE CORPORATION 7 5 O N D E R D O N K A V E N U E * B R O O K LY N , N E W Y O R K 11237 AREA 212 4 9 7 -0 3 6 0 -1 -2 -3 -4 Mat/ 50, 1978 Vr. Robert A. Kehoe . Ket t ering Laboratory, Un iv ersit y ofa Cin cin n a t i 5115 Eden Avenue Cin cin n a t i, Ohio 45267 Dear Doctor Kehoe, 1 am w rit in g t o you t o obt ain a c la r ific a t io n o f blood lead t e At v a lu t e . We are an in d u st r ia l firm t h a t , In a d d it ion t o ot h er *afegu ard*, p e r io d i c a lly lite Ket t ering Laboratory analyze, blood ample* o f cert a in employee* {on det erm inat ion of blood lead. Qua. understandig i* t h a t , g en era lly blood lead core* o f over .060 Mg. ?b/ 190 gram* of blood was cat ee for concern, w hile r e *a lt * o f over .080 llg. Pb/ 100 gram* in d ica t ed dangerou* expo*are. Ea r lie r t h i* month, {or t he f i r *t t im e, t h e An a ly t ica l Sect ion otj Ket t erin g Laboratory added a rubber *tamp t o i t * rep ort of t e *t r e *a lt *, w ith t he fallow ing t e x t (al&o *e.e photocopy attached) : Normal Blood Lead Value* Range Mean St d Dev. Aerogram % 10 - 40 18 5 Franizly, I am confused by t h a t t e x t , which ieem* t o con t ra d ict , or a t le t e t over*im p lifa , previou* rep ort s and t e s t dat a. ne 000S74G N9804 h\ay 31, 197S Page. 1 I m a id appreciat e hearing your comments on what blood lead le v e ls are "0 6 concern" and what blood lead le v e l* are `'dangerous." Thank you. {or your assist an ce t n t h is m atter. Mery t r u ly yours, ETTCO 0)1PE 6 CABLE CORPORATION GHR:db At t a ch . ...7/ JGe o r g e H. Rath Direct or o{ Personnel K ? 0008747 Kesults An a ly s is Num ber 7 8 A-1 7 5 3 7 8 A-1 7 5 4 7 8 A-1 7 5 5 7 8 A-1 7 5 6 7 8 A-1 7 5 7 W e igh t Le a d Gr a m s M ic r o g r a m % 7 .9 9 .4 1 0 .2 8 .8 6 .8 23 19 21 36 25 Normal Blood Lead Values R'=nge r>`can ;J. Dev. Microgram % 10 40 18 3 Re p o r te d : 5 -2 -7 8 0008748