Document gab40dyopp4dnb4gQB81Vg3RV

SHELL OI L CO M PA N Y P. O. B OX 2 6 2 W O O D RI VER, I LL I N O I S March 9 , 1953 CQHPIBENTIAL Dr . R ob er t A. Kehoe Ketterin g Laboratories Tta.iv a r s i t y o f C in c in n a t i C in c in n a t i, Ohio Dear Dr. Keh oe: A q u est io n h as developed in th e minds of a number o f our em ployees r e l a t i v e t o th e p o s s i b i l i t y o f d an ger o f le a d p o iso n in g when w orkin g in t an k s which h ad been u sed fo r th e st o r age o f gaso lin e co n t ain in g t e t r a e t h y l le ad a f t e r t h e se t an k s h ad been c le an e d an d t h en t e st e d b y t h e Du P on t Co r p o r at io n and d eclar ed le a d - fr e e by them. The cir cu m st an ce s w ere b r i e f l y a s fo llo w s: The t an k w as em pt ied an d t h en t h o r o u gh ly c le a n e d in s t r i c t accor d an ce w it h th e r u l e s o f t h e Du P on t C o r p o r at io n go v e r n in g tan k c le a n in g . T h e ir r e p r e se n t a t iv e s th en made th e cu stom ary t e s t w ith a le a d - in - a ir an aly ze r and d e clar e d the tank to be le ad - fr e e . Be fo r e p la c in g t h e t an k b ack i n s e r v i c e , some r e p a i r s w ere made t o t h e t an k r o o f, an d t h e sw in g l i n e p on t oon s w ere t e st e d , w h ich r e s u l t e d i n some r u st an d sc a l e b e in g d islo d g e d an d f a l l i n g t o t h e bottom o f t h e t an k . The t an k was th en f i l l e d w it h w ater an d th en d r ain e d . I t was th en n e c e ssar y t o sen d a crew of w orkers in t o th e tan k t o remove th e sc a l e an d w at er which, rem ain ed a f t e r t h e r o o f r e p a i r an d w ater d r a in in g. I t was th e fe e l i n g of th e em ployees t h a t th e rem oval o f t h is sc a le an d w ater was h azardou s in so f a r a s con t act w ith th e sc a le i s con cern ed and t h at th ey sh o u ld w ear p r o t e c t iv e c lo t h in g e xclu d in g ga s m asks an d gloves fo r th is clean in g operation as i s fu rn ish ed durin g the o r igin al clean in g before the tan k i s d eclared le ad - fr e e . I n view o f t h i s , we a r e su b m it t in g t o you a sam ple o f th e sc a l e removed from th e tan k in th e f i n a l c le an in g o p e r at io n , an d r e q u e st t h at you an aly ze t h is t o determ in e w h eth er t h er e i s le a d p r e se n t in an y form which would be h arm fu l t h r ou gh c o n t a c t w it h th e sk in or t h r ou gh b r e a t h in g when w or kin g w it h an d ar ou n d i t a t atm osph eric tem peratu re. P le ase ad v ise o f your fin d in gs in t h is r e sp e c t . 0009760 WOOD RIVER REFINERY TO: DR. ROBERT A. KEHOE KETTERING LABORATORIES CINCINNATI, OHIO PAGE 2 Du rin g our d isc u ssio n s, th e q u e st io n was r a ise d ab ou t dan ger to p er son s (in c lu d in g e m p lo y e e s' w ives) h an d lin g t h e c lo t h in g o f em ployees who w ear t h i s clo t h in g w h ile rem oving th e sc a le a ft e r th e tan k r e p a ir s were made, an d d u rin g the fin a l clean in g operation s as ou tlin ed above. W ill you p lease ad vise a ft e r you h ave an aly ze d t h is sc a le w h eth er you c o n sid e r t h a t th e h an d lin g o f su ch c lo t h in g (b y th e em ployee o r h i s w ife o r o t h e r p e r so n s who may lau n d e r i t ) would be h azardou s. As we v i s u a l i z e t h i s p r ob lem , we sh o u ld know i f t h e r e i s le a d i n t h e sc a le an d, i f t h er e i s , in what form does i t e x ist and in what q u an t it y . In ad d i t io n , i s th e form an d q u an t it y of le a d h azar d ou s th rough sk in co n t act or b r e at h in g. Sin ce t h is in for m ation w ill be u sed in d isc u ssio n s w ith n on -tech n ical em ployees, we s h a l l a p p r e c ia t e y ou r c o o p e r a t io n in su b m it t in g you r r e p o r t i n n on t e c h n ic a l lan gu age w hich can be r e a d ily in t e r p r e t e d by th ose n ot accustom ed t o th e u se and meaning o f t e ch n ic al term s. Very t r u ly you rs, LAL/ddc L. A. Lohman Su p erin ten d en t-A d m in istrative Wood R iv e r R e fin e r y KH" 0009761 / SH EL L OI L CO M PAN Y WOOD BITTER, ILLINOIS V D AT E MARCH 1 1 , 1$53 RE: N OTI CE O F SAM P LES SH I PPED FI LE No. Betterin g Laboratories U n iversity of Cin cin n ati C in c in n a t i, Ohio A t t e n t io n : D r . Robert A . Eehoe GENTLEM EN--- TH E FO LLO W IN G D ESC R IBED SA M P LES W ER E SH IP P ED TO YO U O N 3 - 1 1 - 5 3 v ia P ar cel P ost SSKH2BX R e fe r t o l e t t e r o f March 9, 1953 fro Mr. L. A. Lohman. O n e-Pin t Tank Sc a le W RS/blv 000 976 g R. C. WILBUR, MANAGER-LABORATORY WOOD RIYER REFINERY