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CONTAMINATED TANKS FOR FOOD AND WATER X ni o o to to o CJX ttoo to Mi'. J * E . H ar r ow ,. Amino p r o d u c t o Com pan y, Bou levard b u ild in g, W oodward A ven u e, Detroit, -**xcuigan. Dear Sir : .Mr, H. A. &ack , o f t h e E t h y l P a so l i n e Coxqjor am ion , h a s g i v e n u s f u l l In fo r m ation on the problem w ith w h ich you a r e con fr o n t e d In c o n n e c t io n w it h c e r t a i n t a h k n ~p n r r iik se d fr om W izar d O il Company, an d p r o je c t e d f o r u se f o r th e a t r of one o f you r p r o d u c t s. Sam p les o f oho c o n t an t e o f t he a \ ' t a n k s w ere obtain ed by a rop r sen tati ve o f k fr e- ^ ^ to n d ivia& m o f Eth yl U a so l_ n e C o r p o r a t io n arw fo r w a r jK ^ t o s\ t o g e t h e r w it h s u i t a b le n o t a t i o n s on t h e t a n k s . kh a n a l y s t s h ave b e e n c o m p le t e d an d .--o a r e now In p o s i t i o n t & W k o c^ r Xiiin r e c o m m e n d at io n s, Th im p o r t a n t f a c t r e v e a l e d b y t ^ y d x i a l y a o a i s t h a t Tan k s 1 an d 2 c o n t a in e d r e l a t l y e i y i b ar r e 'am siun ts o f in o r g a n ic l e a d . The slu d g e fr om T a n k / L ^ n t iii& e d 0 .$ 2 j o f in o r g a n ic le a d } t h a t fr o m Tan k 2 con t a i n rot J o3\\in orgdn ic le ad . In t h is con n ec t i o n , i t sh o u ld b e j>ome i n m in d t h a t l a r g e am ou n t s o f l e a d com pou n ds may be fo u n d lin g a so li n e J t a n k s, a s che r e s u l t o f t h e d e p o s i t i o n o f su sp o m jW l e a d /otepouncis c a r r i e d o v e r fr om t h e sw e e t e n in g p p o e e a g , C l^ iiiU 2g ^ / a n u c a u s t i c so d a t r e a t m e n t ) . I t m a t t e r s l i t p l -07 t h e r e fob *--i n t n i s i n s t a n c e , w h et h e r o r n o t lead ed ga so lin e had been st o r e d In th e t a n k s. In d eed , ga so lin e st o r a g e th n ka in gerietral ar e so lik e ly to co n tain la r g e quan t i t i e s o il Lead com pou n ds, q u it e a p a r t fr om t h e i r u se fo r t h e st o r a g e o^Xleaded g^ stolln e, t h a t th ey sh ou ld, n ot be u sed fo r s t o r i n g fo o t k ^ n a t a M a s o r d r in k in g w a t e r w it h o u t t h o r o u gh I n v e s t g a t io n ^ ' C ' E a P m a t e r i a l f r o si Tan k 1 c o n t a in e d a v e r y sm a l l q u a n t i t y o f o r g a n ic l e a d . T h at fr o m Tan k 2 sh ow ed o n ly t r a c e s o f o r g a n ic l e a d . Th e f i n d i n g s w ou ld seem t o i n d i c a t e t n a t b o t h o f t h e se t a n k s h ad h ad l e a d e d g a s o l i n e I n th em a t som e t i m e , but co n sid erin g th e sm alln ess of th e q u a n t it ie s o f organ ic le ad , th is is not en tirely certain . When on e c o n s i d e r s th e lo n g p e r i o d o f s t o r a g e o f l i q u i d m a t e r i a l in th ese tan k s, i t i s q u ite ap paren t th at dan gerou s con cen tra t io n s o f le a d co u ld occu r in th e fin ish e d p r o d u ct . 'Th erefore,w e st r o n g ly recommend t h a t t h e se tan k s sh ou ld n ot be u sed fo r t h e p u r p o se c o n t e m p la t e d , u n t i l e v e r y e f f o r t h a s b een made t o r e move a l l o f t h e l o a d - b e a r in g m a t e r i a l s f rea t h e I n sid e o f th e tan k . K 0022652 to sa n d b la st th e tan k t nor o u gh ly , Sh ile t h i s w ould n ot r e - r;ove u i' i o r t h o l e a d - b e a r i n g sl u d g e an d s c a l e fr o ia t h e c r e v i c e s axid a b o u t r i v e t s , i t w or ld r e d u c e t h e t o t a l am ou n t o f co n t am in a t e d m a t e r i a l i n s i d e t h e t an k v e r y c o n s i d e r a b l y , so t h a t when t h e am ou n t s t h a t :,o I n t o s o l u t i o n a r e d i l u t e d I n t o t h e t o t a l volu m e o f t h e c o n t o n e s o f trie t a n k , h ar m fu l c o n c e n t r a t i o n s may bo av o id ed . a I t is b arely p o ssib le t h e p r o c e s s i n g o f 1t h e m a t e r i a l s s t o r e d in t u s t a n k s woul-^ t en d t o I'e so v e u i i s o l v e d l e a d . I t .is more lik e ly t h a t . he p roced u res th e volum e o f t h e f i n i s h e d p r o d u c t , a s com p ar ed w it t l t h o - - u *r l*iin al m a t e r i a l , w ill ten d to con cen trate; th e le ad in th e m atch ^Kl. Accor d i n g l y , r e g a r d l e s s o f t h o n o t h o 4 -^ S Nc I e a n in g th i^ t a n k s , we sh o u ld a d v i s e c a r e f u l c d e c k in ^ ^ y f^ l3 S^ \ le a d c o n t e n t o f tiro ma t e r i a l s I n t r o d u c e d i n t o t o t a ls'p u n k s t jl)t o r som e w eek s o r m on th s o f c o n t a c t w ith t h o co n t ah ^ - r ^ and ^ /C o r r e sp o n d in g ch eck on th e f i n i s h e d p r o d u c t b e fo r e i t iV .a r k # 1 j*iii, We s n a i l b e g l a d t o g iv e su ch a s s i s t a n c e a lo n g t h i v se / l l h e s a s may be f e a s i b l e . \ '/ V-^ry t r u l y y o u r s, \> RAK o f / .. ab ort A. Aeh oe, f . D. C. c. MrVyH. A. . -dt h y i^ - G ase^ in e Cor p o r a t i o n , . Mutua"i^*i*oJSe j u i l d i n g , Dayton , O h io. Mr. C ar l Cran e, Anirno P r o d u c t s Com pan y, Ao ssfo rd, Ohio . Dr. W illar d Machle 0022653 N* The d e t e r m in a t io n o f o r g a n ic an d in o r g a n ic le a d in s lu d g e an d s c a le sa m p les from a n um ber o f t a n k s o f Th e Am ln co P r o d u ct s Com pan y, T o le d o , Oh io* An a lysis Number lilA - li 058 11I A-U 0 59 h lA-liO^ O iil -li06l D escrip tion Tank #1, s lu d g e swep t from ta n k p lu s p a r t i c l e s o f s e a li n g com pound Tan k #1, s lu d ge from p i l e o u t s id e man h o le {fr om e v i d e n t l y r e c e n t c le a n in g ) Tan k %2 t s w e e p in gs fr o m b o t t o m , s c r a p f nsrn fr om lo w e r W a ll Tank #5 s lu d ge from bottom Grams Mg. O r ga n ic % O r ga n ic Mg. I n o r g * % I n o r g* Sam ple Pb Pb Pb Pb 1 0 .0 .. 0 .!| 2 .... ... O.OCii 52.0 0-52 . 10.0 .....9 .Q.... 0,21 nv# nvny 0.002 Au AvvA/1x .....5 0 .0 ...... . 0 *5 0 ..... ^*7tz n ... ..r.e....A...r...... 1. 0# - -- .... 0 . 2lt 0 . 02k Th is sam ple p r a c t i c a lly co m p le t e ly s o lu b le in x y lo l- a lc o h o l* Sa m p les H e c e lve d i I I - I 3-I 4JL Sa m p les R e p o r t e d * I I - I 9-J4.I tH Tf Cl VO Cl Cl in co CM 1 CM O o < hi