Document x5zx0BxggY4KjBKKaqbL0O900

K SSf. 0. -S Ethyl Cfc^aXar tkiMiag, . . .. 405, toaElJigfesii Avonuo, VCm Tosrlg* u, ms J^HUT 0*0*7* .X#1' f/' V\ * - ' -In;^-J:r X *tltth - rafor to ytHirsJiafctar of ftttli 8oo&*o? 1M4, oupcsoiaXly uiih r- 4 to tha d#|nltS& wteAati you .fomis-hod ott ts-hu vtmttl qp&a&tem when i a/%ftnk "tfeosastgiiiy as that wstoa ^bm^9 w. ' it eArjs&sis:.-. fl // X isopf, fnot thtafc X aa-being obtuse is iUkbour|a|jg this poiaf*f iotsj% as $m mxyr.'mli, isagiae, giving <3 way. *%&.,* though Jn> the lnjaaiMag of sh tm& alma&m ai4 a our is tb*.$oot war *.. Ife i spit mviamt -JJ f to us &s not iw&iisftsebosy. for easpio, during ray trial! i* Aba&an X fc*i a ooftfejrsjwe tilth tits Larisa Hausge a in hi offisa, at which about M f fJm iMniioit soakers of hie staf, '.it worn gross*** '.. dea** in @mt /MihoXX mpmzn of the .a gobeofeiai iwasytie of clawing u& repairs. -. *, ett#r of inter 3? no -of bhir eaa&iSMira raised the point of orok#4 - bottom s*eh u a i4 to th i&otteafc referred to lh year ftireular Ittsr s***4 wo oars aii in agssaamt a# to 1k m* #uh a job ought to be tspfctau '% t8w*** a* so duabtubull in the ilate of sli pmw&% of ih h&aar? i sad rn with all this sprs4liitloa.al' |goa4 *4X1 4Li.0** reoaatiy t reported, a fatality* fbe roalsni1 for this wa* a break **iain in mpamlmim of .i&obo4y &am the chain, t$ job baiag actually a S.W.l Elis Is a vital point upon which to give direction to oar customers. v'"ii ;4 By the above definition do you agree that a man could be seat into a tank with loos flaky scale jeing present on the walls above the sludge line and for subgeqhii^lsaasiiigii operations e.g, caulking to take place by mn iasid^lhe^^^fe^ilri&ut' masks? Such work would generate a lot of - dustNrith a trifctbyl lead hazard. />' W ' * ,> la my own liiaited#e^irinoa#I:fhave found quits thick loosely adherent scale proie^T on wall^that could be prised off with ones fingers. A firehose Jot would however knock most of this loose seal awa;^-'-It^vin^cif sours strongly adherent scale. I would./'like to offer aa alternative readings- -i 1 j. ' A thoroughly,-, cleaned tankf froiii a load standpoint is 46fflilE^s which hah#had all sludge cleaned out all looail^adfeaea*;' material removed from the /walls expect that-wkero hot work etc*3 jI '^ 1Gosling down to earth - does a company requiring to do xepaiij^o a tank'bottom involving hammering etc. actually descale the If so what extent and by what means? 0feviously^t-o-rfqulre the to do so by scrapers would add enormously to the task. A fire hose jet would however deal with loosely attached flakes of scale which Could give rise to dust. X would be very grateful, if you could cable me a rqpty.oa this question of. definition so that we" can be. uniform, in its discern ination froift our various offices..,., One final point/ Dr. Xehp* saw fit to draw som differentiation between small and large tanks at the level of 50 tons capacity, in which tank, fresh air hose:masks'are permitted in place of positive pressure masks* Is it your practice to supervise the cleaning of these small tanks la the U.s .a . through your own safety engineers? Copy to BH. B.j u MHGB, Tours sincerely. Grig by steamer copy by air mail. KH 0015784