Document aJ9nxV9k8Zbz0LwQ3EVoRyxNe

August 25, 1944 .'j Major J. Keith Browning, Heekin Can Company, Park and Forest Avenue, Norwood, Ohio. Dear Major Browning: I am attaching two copies of a report of a survey recentlymade of the Norwood plant of Heekin Csn Company. For our oWn convenience of accounting, I am also enclosing a covering invoice. I believe that the report will be quite clear, but if any questions arise after you have had an opportunity to read it, please do not hesitate to call me. Cordially yours. ef Enc. tToberiTA .'""KeSoe, 'M. 'l3 1 TTB hPAD CObTA'khTATXOH 0?' kUi v? .: : : vid.mzn f a h ca-dt-wiY. j Q&Vj Ok . o h t q v; 1th Certain .- ^commendations Inspection of the area la which tho exposure to lead occurred showed that the general nous keep lag nad boon Improved and wag fairly satisfactory* However, some spattered, metal and oxide were seen on the floor near and under tho can-making apparatus, whore it could be oioked up on the feot of workmen and distributed elsewhere "f'Ms ahorlA bo cleaned up and kept cleaned up fren uay to day. ..'he chief sources of load exposure were provided wild hoods and apparently adequate axaaust ventilation* It vac no tod. that some fare escapes a round the hieoa ox v.o open hood over too solder- baths, this could to corrected by a little extension of too apron downward or laterally, aha if metal extension will intorfor asbestos cloth could be used. as coca ex** !: aunts to the roof, while tho ''swoaborand ''cooler1 onus of `ho body- 'akin : machines wore completely enclosed, end wore exhausted by a separ ate fan through a water scrubber* -'lie .scrubber mis placed on a scaffold about H to 10 foet above th floor. Its outlet discharged directly Into too work room* It was suspected that tho exhausted air should be dis charged outside the building and that the present arrangement would prove hazardous when operating In cooler weather with reduced ventila tion* 'Testa wore made to establish th faces* r;,ho particular area tested was near a wall, the upper portion of which was made of steel and glass partitions with many windows which were all open. large door at least 10 feet wide was aloo open and apparently there was a good deal of natural ventilation which would further tend to reduce the lead contamination* K 0013671 N16552.01 f'e suits ::'he localities tested ana the analytical findings ux-e Indicated In the accompanylag table* It is apparent teat the water corubber toes not ron..ove load effectively from the exhausted air, apparently, when operating with all windows and doors open there Is sufficient dilution to reduce. the load concentration below the maximum allowable concentration of 1*5 hi, per 10 cubic voters in certain parts ofi? .a..h.i. I'his appears not to ba true, however, in the immediate vicinity of the "sweater" portions of the nody-makcrs. "he result listed for this area may not be character istic since the sample was taken whiles an alteration was being made In the washer* {In exhaust fan was off for if ilrst 10 minutes of the 15-minute teefc*) In any ovont, v^n v.ifch the scrubber ;tn operation the load content of' t.ue atmosphoi* near fcbo ''cooler'' unci *'sweater1' position of the body-makera approaches'the maximum allowable concentration, as can be coon from the result listed for ^ii.d-50 in th tabic * eoo^e?idat I on3 1, '-ho general plan for ventilating tb.O body-' aker machines aeoras satisfactory except that the air fro, the scrubber 0mould bO exhausted to ins outside of the building* 2* Trie location of the exhaust should bo 30 chosen that tho discharged air does not re-enter the building, xhe fans would bo more efficient if located on th celling so as to disc liarg, outside directly* 5* ,?he rat of air* movemont in th system used to von ti lato ''cooler and "sweater" ends of f,ho body-r.iahineo should be at least 150-200 cfnu per square foot of area covered by the hoods* H! * Ih open hood over tbo solder* bath should, be extended downward or laterally or both 00 as to provent the escape of iiunes w on KE 0013672 HE" 0013073 rv. 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