ipnRHP^iiiiP^ pp LIA07020 o..ji[ -rj krj--*-- - *-' --"- --- ----^ L"t> ^fT-T** 4Sm LEAD INDUSTRIES ASSOCIATION 400 UXWiTOM *BM HOW fCM 17, M.

^rfcs and Setof tm University* the Collogos of law* rneineeriag ad Business Adtaini stmtion ooatritjut to a cows of instruction vhXcs& is set up prodcniaately in the SediciaX College * "/tas eotsrs* leads tout# Begres of Bootor of Industrial fe&loin ft aspens of t;ii professional training is. born also iff industry * through : bo allocation of imm coats an overhead charges agaiant " tse e^poriaental progress.

When the number of splitter plates or cell partitions is large, the percent age free area of the gross duct size may be materially reduced, This leads to a further sound attenuation.

This leads to a further sound attenuation.

Designs based on number of air changes per hour, or other rule-of-thumb methods, are hopelessly inade quate, and lead either to unsuccessful operation or to excessive and un necessarily high cost of installation

Mica aust was found to lead to som e degree of nodular form ation in the lungs, but the a sb estos dust set up diffuse fib ro sis only.

Dear Bob, Many t h an k s fo r your l e t t e r o f t h e l*+th A p r il on t h e su b je c t o f t h e l a b e l l i n g o f c o n t a in e r s and pumps u sed in the d ist r ib u t io n of leaded gaso lin e.

.** 2 BRNAEIRNVOOURS CSYESNTTERMAL Gases and Vapors BSuebnstzaenncee (benzol) PPM 25 CCaarrbboonn DTeisturalfcihdleoride 25 20 BHuytdyrloagmeinneSulfide 5 20 Tetra Ethyl Lead (as P6) D im ethy lan iline 0 .2 0 tt A c(eNta-lddiemheytdliey la n ilin e ) 5 200 Nitrobenzene 1 Toxic Dusts, Mists, Fumes MSuabnstganacneese M g.

Evans will undoubtedly claim, however, that he was exposed to tetraethyl lead within a period of two years prior to the commencement of the action and it may be that he will also claim that the later exposure was more harmful to him because of his previous exposure than it otherwise would have been.

D008. identify the total concentration of lead: 4 Is this waste a soil and/or debris?

Stover Page 1 MINES N.EWFOUNDLAND news of the asbestos Newfoundland mining scene was the discovery of Advocate Mines The find was Advocates huge concession 1,575 square miles on the Peninsula up north Drilling has shown an estimated sixty thousand per tons vertical foot Advocate says this is based on dimen- sions approximately 2.500 feet in length still open at both ends and a width of around two hundred and eighty feet Officials seem highly optimistic of a sizeable operation based ; on this find and two others which lead them to believe that whole new asbestos field has been uncovered The a _ a flurry of excitement in Nefoundland mining circlnesews caused From Canadian Mining Journal _. -, CURRENT RANGE OF PRICE o .

In considering refrigeration power consumption, it should be noted that the use of weather records for a specific year may lead to large inaccuracies in estimating operating costs, since there may be wide variations from year to year, and therefore, average yearly weather records should be used rather than those for any individual year.

(This, providing be had lead exposure),. .

tions assistant at Mare Island Naval Shipyard, who, on Satur day, Oct. 22, will lead the youth cussions In the six sections of the meeting.

Access doors of convenient size should be provided in the sheet metal connec tions leading to and from the filters. 4.