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4 aeries of al* toots eonaueted la *s plant
shoe that the fcasard of lead exposure remains shoot tha
ease as at the Use of the last revest* fh only aotsfels
exeeptltm Is the fourth floor of th mala feuildlsf i?hioh
chos* little or m lead ms present dnriag the test vhioh
was eonduetod over-a period of fed hours." this Is indeed .
gratifying af la attributed largely to careful oper
ating* the exposure a the first and fifth floors la
apparently mfc rosy eaisaeive, feeing oonfiae^ in the
first ass to the prnspsi and la the seead* to the barging
hsm&s, all of uhlah are adequately ventilated, einee it
Is neoeeeary to go Into the air duet itself to detect
the presence of lead* the still'floor exposure is me
usual the greatest la the a&ia building, feeing doe
apparently to relatively fet^h ooneentmtlone persisting
for; short time* . 'rhe.-greatest., single..sous, of trouble..-
in this Tmmt 'mm&' to fee sashel# eovers wfeioh mum**:
times ieak*-trlag~tfe start of the? distillation. Shift
problem, is reoeivlag epeolnl attention, end It is certain-
that the ht-aard ean fee ellfslaatedt
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' fhe; sUay.; fesildiag still is the greatest source '
^ of general lead eapoei**# m th* plsat.^-there are' fen -
pXeoee* if any, in the entire.- building.-. that en show osa^A -
' eietastly negative lead tester 1 fhi 1# due to the presenter
*,:/-< of tnet^tSwwst veryviier, .an has. lesakptnted in previous-
repsytau progresa toward reduelag, this hazard has been . -
"53 ` mad over a long' period of tins,1 said farther progress can
fee aecosg&lfthed fegrestitaeive, an sell a intensive, house** *
heeding* i type of alloy grinder feed has been in- * '
v stalled, feot it wan not in operation at the.tin'of this'
'- eerie of air tests. She next group of air samples dll
Include a es^rehenslve study of conditions in the vioiaity
of this new device*
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In general, it is felt that the equipment end the
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ventilating system, la gui*e adequate, and that future.,
progress lies in adhering rigidly**' tfe principles of
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