Document LOMvvmjE9m0xro26Xw9eXNkd

/ CABLES AND T E L E G R A M S : "E T H Y L P O R T " TELEPH O N E: MU 1 965 ALAN C. TULLY REPRESENTING ETHYL EXPORT CORPORATION LONDON AND NEW YORK 68 COLLI NS STREET, ME LBOURNE Cl Oc t o b e r 1 2 t h . , 1 9 3 8 Dr . R . A. Ke h o e , Co l l e g e o f Me d i c i n e , Un i v e r s i t y o f Ci n c i n n a t i , CI NCI NNATI , Oh i o . U . S . A . De a r Dr . Ke h o e , I am e nc l o s i ng her ev/it h a n i n v e s t i g a t i o n of t he t ank c l e a n i n g s y s t e m e s t a b l i s h e d b y t h e Te x a s Co mp a ny i n Au s t r a l i a a n d Ne w Ze a l a n d . Th i s i s ma d e u p o f t h r e e g r o u p s o f r e p o r t s :- f i r s t , t he head o f f i c e i n s t r u c t i o n s concer ni ng t he c l e a ni ng o f t a n ks ,wh i c h ar e sent out t o each i n s t a l l a t i o n ; second, an over al l pict ur e of t he Te x a s Co mp a n y ' s s t o r a g e f a c i l i t i e s i n k e e p i n g w i t h y o u r q u e s t i o n n a i r e ; t h i r d , r epor t s obt ained t a c t f u l l y by our r epr es ent at i ves i n t he c o ur s e o f t h e i r b l e n d i n g p l a n t i n s p e c t i o n s , wh i c h augment t h e s ec ond gr oup i ndi c a t i ng t he i nt er pr et at i on of t he cl eani ng ins t r uct i ons by t he i ns t al l a t ion super int endent . lie ar e do i ng s i mi l a r i n v e s t i ga t i o n s i n r egar d t o each of o u r c u s t o me r c o mp a n i e s h e r s , i n c l u d i n g t h o s e wh o d o n o t b l e n d , b u t wh o o f c o u r s e m a i n t a i n s t o r a g e f a c i l i t i e s f o r l e a d t r e a t e d p e t r o l . Th e s e w i l l c ome a l o n g a s s o o n a s t h e y a r e p r e p a r e d . Si nc e r e l y your s , AC T : GB ' 0007005 N 7743 (h 'ikiZ.4X.~sL'' CLEANI NG OF I NTERI ORS AND PREPARATI ON * OF TANK FOR ENTERI NG AND I NSP ECTI ON. Ta n k s t ha t ha ve c o n t a i n e d l e a d e d g a s o l i n e r e q u i r e t o be h a n d l e d s o me wh a t d i f f e r e n t l y t h a n t a n k s t h a t h a v e b e e n i n c l e a r g a s o l i n e or ker osene s er vice. Th e f o l l o wi n g o u t l i n e c o v e r s p r o c e d u r e a nd p r a c t i c e t o be adopt ed in case of al l st or age t anks ot her t han in l eaded gasol ine ser vice. At t h e e nd o f t h i s i n s t r u c t i o n , t h e f u r t h e r p r e c a u t i o n s r e q u i r e d i n t h e h a n d l i n g o f t h e wo r k wh e n d e a l i n g wi t h a l e a d e d g a s o l i n e t a n k a r e g i v e n . Al t h o u g h a l l Su p e r i n t e n d e n t s h a v e a u t h o r i t y t o e mp t y a n d c l e a n t a n k s p r o mp t l y , a Re q u e s t f o r J o b Or d e r s h o u l d b e ma de up a n d s u b mi t t e d t o He a d Of f i c e t o s e r v e a s a c o n v e n i e n t r e c o r d o f t h e v/or k d o n e , a n d a l s o a s a n o t i f i c a t i o n t o He a d Of f i c e t h a t t h e wo r k i s b e i n g p r o c e e d e d wi t h . Th e Re q u e s t f o r J o b Or d e r f o r m p e r m i t s a v e r y c o n v e n i e n t a n d h a n d y r e c or d o f t he c l e a ni ng per for at ed on any i n d i v i d u a l t a n k, and i t i s f o r t h i s r e a s o n t h a t a Re q u e s t f o r J o b Or d e r i s i n s i s t e d u p o n . Na t u r a l l y , i t w i l l be a c o n f i r m a t i o n J o b Or d e r Re q u e s t , b u t i t s h o u l d be p r e p a r e d a n d s e n t i n wh e n i t i s d e c i d e d t o u nd e r t a k e t he wo r k . As s o o n a s t h e t a n k i s e mp t y , a l l ma n wa y c o v e r s s h o u l d b e r e mo v e d a n d e x p l o s i o n h a t c h e s h e l d o p e n wi t h wo o d e n s t r u t s s u p p o r t e d on r i m o f h a t c h e s t o p e r mi t f r e e v e n t i l a t i o n . Th e s e wo o d e n s t r u t s u n d e r e x p l o s i o n h a t c h e s s h o u l d be so pl aced t hat al t hough t hey s a f e l y hol d t he hat ch up, in t he event of an expl os i on t he s t r ut wi l l kic k out and per mi t t he hat ch cover t o dr op and s eal t he hat ch. Re mo ve t h e t a n k v a l v e s a n d f i x b l i n d f l a n g e s t o c l o s e o f f t h e e n d s o f t he t ank l i n e , on t he l i n e s i de of t he va l ve (s e e Far t F, Se c t i on 2, for m a i n t e n a n c e a n d c l e a n i n g o f g a t e v a l v e s . ) Op p o r t u n i t y s h o u l d b e t a k e n , befor e t he val ves ar e r e i n s t a l l e d , t o gi ve t hem a hydr os t a t i c t es t i n acc CO o r d a n c e wi t h P a r t J , Se c t i o n 4 . Ta n k f l a n g e s s h o u l d be l e f t o p e n a nd t h e s wi n g l i n e r a i s e d t o a l l o w o any pr oduc t t r appe d i n s wi n g l i n e t o d r a i n o ut . o CO Th e t a n k i s t h e n r e a d y f o r v e n t i l a t i o n . Th e t a n k s h o u l d b e l e f t at t his s t age f o r a per i od of at l eas t 48 hour s t o vent i l at e t hor oughl y. Ui No t b e f o r e t h i s p e r i o d o f v e n t i l a t i o n h a s e l a p s e d s h o u l d a n y e mp l o y e e e nt e r t h e t a n k, and t hen onl y under t he f o l l o wi n g c o n d i t i o n s :-- Af t e r t h e v e n t i l a t i o n p e r i o d i t i s n e c e s s a r y t o s e n d e mp l o ye e s i n t o t h e t a n k t o c l e a n o ut t h e r e s i d u e o n t h e b o t t o m a n d t h e s l u d g e . As t h e t a n k may s t i l l b e g a s s y a t t h i s s t a g e , t h e s e e mp l o ye e s a r e r e q u i r e d t o be p r o p e r l y e q u i p p e d wi t h ma s ks a nd r o p e . Th e y s h o u l d u s e ma s ks o f t h e a i r l i n e t y p e a nd a n e mpl oye e s h o u l d b e s t a t i o n e d o u t s i d e t h e t a n k n e a r t h e ma n wa y t o c o n t r o l t h e a i r l i n e . Sa wd us t c a n be s p r i n k l e d o n t h e t a n k bo t t o m t o s o a k up t he mo i s t s l u d g e and t h e ma t e r i a l r emoved. Wh e n t h e t a n k h a s a l l , o r t h e g r e a t e r p a r t o f t h e s l u d g e r e mo v e d , i t s h o u l d t h e n be l e f t f o r a f u r t h e r t we n t y f o u r h o u r p e r i o d t o v e n t i l a t e . Af t e r t h i s p e r i o d t h e t a nk s h o u l d be ga s f r e e a n d e mpl oye e s may e n t e r t h e t ank for fur t her cleaning or inspect ion. No r e p a i r s i n v o l v i n g h e a t o r f l a me a r e t o b e u n d e r t a k e n u n t i l t a n k i s f u r t h e r t r e a t e d , a s d e a l t wi t h i n Pa r t F, Se c t i o n 7. P l a t e s s h o u l d t h e n b e b r u s h e d do wn wi t h wi r e b r u s h e s , g o i n g o v e r t he bot t om of t h e t a n k a nd t he s h e l l p l a t e s wh e r e ve r n e c e s s a r y . Po r t i o n s o f t h e p l a t e s a f f e c t e d wi t h h a r d s c a l e o r h e a v y d e p o s i t s may be f u r t h e r s c r a p e d wi t h s c r a p e r s , t o b r i n g t h e p l a t e p r o p e r t o v i e w. Al l l o o s e s moot h s c a l e s h o u l d b e s we p t d o wn . A t a n k i s n o t c l e a n i f t h e r e i s a t h i c k a c c u mu l a t i o n o f r u s t i n a n y p o r t i o n o f t h e t a n k , a n d c l e a n i n g mus t be t h o r o u gh . A p r o p e r i n s p e c t i o n o f t he t a n k cannot be made u n t i l t a nks a r e p r o p e r l y c l e a n e d . SPECI AL ADDI TI ONAL PRECAUTI ONS TO BE TAKEN WHEN CLEANI NG LEADED GASOLI NE STORAGE TANKS. In such cases t he sludge and r us t i s l i ke l y t o have heavy l ead d e p o s i t s . For t h i s r e a s o n , not o n l y mus t e mp l o ye es e n t e r i n g t he t a nk f o r c l e a n i n g or i n s p e c t i o n be e q u i p p e d wi t h a i r l i n e ma s ks , but t h e y s ho ul d a l s o we a r c l o t h i n g e q u i v a l e n t t o t h a t p r e s c r i b e d f o r l e a d e d g a s o l i n e mi x i n g o p e r a t o r s i n Pa r t C, Se c t i o n 3 . Th i s c l o t h i n g s houl d not be t he c l o t h i n g us e d by t he l eaded ga s ol i ne mixing oper at or s , but s houl d be cl ot hi ng kept for t h i 3 p a r t i c ul a r pur pos e. It shoul d be t r eat ed and handl ed as pr es cr i bed in t he Et h y l Ga s o l i n e Bo o k l e t . Re f e r t o t h e Et h y l Ga s o l i n e Co r p o r a t i o n ' s Bo o k l e t , c o p y o f wh i c h i s i n t he p o s s e s s i o n o f Te r mi n a l Su p e r i n t e n d e n t s , a nd c a r r y o u t - a l l p r e c a u t i o n s l a i d do wn t h e r e i n i n c o n n e c t i o n wi t h t h e c l e a n i n g o f t a n k s . Av o i d s k i n c o n t a c t wi t h t h e s l u d g e . Th e s i d e s o f t h e t a n k w i l l h a v e t o be k e p t i n a we t c o n d i t i o n t o a v o i d d r y d u s t p a r t i c l e s i n t h e a i r o f t h e t a n k . Th e s l u d g e s h o u l d b e b u r i e d i n s ome o u t o f t h e wa y s p o t . Al l t o o l s u s e d s h o u l d be c l e a n e d a f t e r u s e wi t h k e r o s e n e . Cl o t h i n g o f t h e o pe r a t o r s s ho ul d be l a u n d e r e d a s o u t l i n e d i n t h e Et h y l Ga s o l i n e Bo o k l e t . Ca n n i s t e r t ype ga s ma s ks s ho ul d not be us e d i n pe t r o l e um f ume s , a s t h e y w i l l n o t p r o t e c t t h e we a r e r f r o m g a s o l i n e o r p e t r o l e u m v a p o r s . Ma s k s o f t he a i r l i n e t ype shoul d be used by cl eaner s unt i l t anks ar e cl ean.