Document qQBGRMkvX9qLvyZ9q9nrrK3q

IUUH iitj o JVU1UJU ALt sTREEr journa________ * H*W3*V^D>cWtnl>ir ' ~v ^WU.i-?i&!fr: .,. *Ah*n~ SJfffi- OpetyAir'Spfw^^^^^^teriah^ Would Be Banned by N&^~EPjtStandayds)> '" By a Witt. SnurrJovawxr. Jfoff BryarUr *.- training of workers won't be needed.*Additional ' 'WASHINGTON - Open-air spraying of *i- costs aren't anticipated for.beryllium users,! ' bestos fireproofing and insulation would be pro but the mercury-cell chlor-slkall plants win hibited under new air-emission standards pro have to spend from 0.5% to 0.9% of total annual posed by ' the Environmental Protection products' worth. The figure for mines will he Agency. ;;.V 2.5% to 3.5%, the agency estimated., ' ^Theclean-air standards, which, cover.beryl ..'At .a briefing on the proposal) Dale:, jit lium "and mercury`as well as asbestos,' also Slaughter, chief of the EPA's hazardous pollu wfBUi^'v ., .. Vv "; i-.-jVitequire 'industry to uae .filters"to -cleah tants branch, said the agency has been advised by Industry .that the additional costs'mean the any gases produced ia the mining,'milling'and end of mercury mining in the U.S.' However, manufacturing of 'asbestos-containing materi Mr. Slaughter argued that depressed mercury als and to eliminate visible emissions from cer tain sources related to .their operations'..,',.;' /' --Set beryllium-emission ceilings for extrac tion plants, machine shops, foundries, ceramic plants, .propellant plants and incinerators that are deigned- to dispose of -toxic substances. These ceilings would Omit emissions of the.poi sonous metal to a maximum of 10 grams per Zt-hour day, or to the point that beryllium con centrations won't exceed an average 0.01 mi crograms per-cubic meter of air for SO days. --Require rocket-motor , test facilities .to keep concentrations of -beryllium in the sur prices, not environmental costs, would be the real cause of such a development. At present, the Industry, located in California, Nevada and Utah; consists of two large mines with fewer than 200 workers altogether, plus 30 to 40 one- man and two-man mines.-In 1969, when mer cury prices were triple`current levels, 109 mer cury mines were operating, he rioted. V>i- The asbestos-spraying ban would be tem pered by the provision that spraying may be done"indoors "under conditions where the air that would he released to the atmosphere can be cleaned."..' ... Beryllium-users also would have the choice ' . rounding atmosphere within a celling of 75 mi crogram minutes pec cubic meter of air accu mulated during any two consecutive weeksl'CA microgram minute is 'derived.by.'dividing the weight of the material .collected-by . the flow rate expressed m cubic meters of air per.'mlnute.jiThe rule-provides that the sampling' must be done.Ia not less than. .10 minutes sad not more than .,60 minutes.j\An. EPA '.official' ex plained that .the' agencyflwouid require1;* net work of sampling, devices -set to collect!-for varying periods.of time within thisrange.-T:,,;.' --Require mercury-cell chior-alkali 'plants,' which produce chlorine and alkali .caustic, and primary, mercury mines to Umit'emisstons to a maximum of' five pounds 'of mercury'aver a 21-hour period.-5 V'l -c!c.;.'' e-t ` lie inhalation "of^ asbestos-fibers.ha!s been of complying with the 24-houx-day maximum or the celling average over a 3May period. .- " Approximately 300 machine shops,'ceramics plants, propellant plants; enaction plants and foundries could cause beryllium emissions. But because the light metal's extreme toxicity long has been recognized, major portion .of the industry already, has the .-.emission controls needed to jiom^ly^ with "the -.proposed stan dards,") the'agencysaid. -For-this' reasonjfipd because, beryllium trapped in air liltratton.de-' "vices' has*reprocessing val.ue,''it's'aid''the:stan.- dards "are expected to have little impact' oh the Industryl'J The EPA'said it, will announce -publici'ear- trigs on the proposals within 30 days and also is allowing 90 days for written comments,...,......y linked to'a'mimber'. of human diseases'Includ Agency Looks to.Further Umitatlriris ing bronchial 'cancer. .Beryllium'in Wgh con Earlier"this! year,; the EPA made, final.the centrations .can cause pneumonia-like diseases) maximum atmospheric levels'of six r-.ajor.pol while mercury poisoning disables the nervous lutants. including particulates sulphur dioxide system. "c; ^ - j C `f;'-.-'-.- . ^ and carbon monoxide, that will, bo permitted Costs of Compliance .Assessed -- . .-The greatest economic Impact from the.proposed standards would .be felt by the nine as bestos mills- processing domestic ores. The under federal-state control plans due to take ef fect in mid-1975.-tI." 1 In addition, the agency la authorized by the Clean Air Act of 1970 to establish specific source emission limits for toxic substances. ERA estimated'that their cost of complying The proposals announced Friday represent the will range up to 6.7% of the average '1563 sell first response to this mandate. But the agency ing price of a ton of domestically produced as now Is looking into the possible need for shrif bestos.. The average figure for ail.'the' mills, lar emission limits on air-borne cadmium, va however, only would amount-to-0.9%, the nadium, manganese and arsenic. Dr. Vaun A. egency said. - . '. . .; Newell, EPA health eifects director, told the Producers of asbestos products, including briefing. floor tile, reinforced friction materials, "paper - One major source of air-bome asbestos, mo end textiles, face an "annualized cost" equal to tor-vehicle brake linings. Isn't covered by th< 0.3% of the "output product value," according proposed standards. However, control ot.brakf to the EPA: This would result in an average emissions is "being assessed," EPA otflclai: product price increase of 0.3%, with the most said. significant being 2.6% for,asbestos paper prod Sources of mercury in the air also not cov ucts, the egency said. ; * ered by the proposed standards are fossil fuels The baa on sprayed asbestos would aifect notably coal. Dr. Newell explained that be only about 0.5% of annual domestic consump cause high ' stacks' and even higher-risim tion. The EPA said that lncreased'costj for smoke plumes distribute emissions from sue', substitute materials will range up to 15%, but sources quite widely, the EPA believes there' that new spraying equipment and extensive re "little chance", of them exceeding the ceilings CAP CO JEN 0010341