Document KernYDx802V9aoGGeVB7GpLr

\Xf `'^vjn^ ^A^ aTREEr JOURNAL,.: S* . 'v *T *.s,***4`... M*itt&rV*c*mh*r 9,:i97t ` ~*> *y->v*-*'-*' '. f OpertrAii^^^li^^&terMs Would Be Banned byNew&A'Standards) Sf"'* !""*, * * " ~ " * - " ." < " SiraWait, Sr**rJoc**ai. stagReporter : training of workers won't be needed.'Additional 'WASHINGTON -- Open-air spraying'of as costs aren't anticipated for. beryllium users, bestos fireproofing and Insulation would be pro* but the mercury-celi chlor-alkall plants will hibited under new alr-emlssion standards pro have to spend from 04% to 0.3% of total annual posed by the Environmental Protection products' worth. The figure for mines will be Agency. ' 24% to 34%,.the agency estimated. - v.'T?u dean-air standards, which cover beryl. - -'At a briefing on the proposal, Dale', It. Uum 'tnd mercury as well as asbestos,' also Slaughter, chief of the EPA's hazardous pollu would:'" " --r ' tants branch, said the agency has been advised Require 'industry to use filters to dean by Industry that the additional costs'mean the any rases produced in the mining,'milling and end of mercury mining in the C.S.' However, manufacturing of 'asbestos-containing materi Mr. Slaughter argued that depressed mercury als and to eliminate visible emissions from cer prices, not environmental costs, would be the tain sources related to their operations! real cause of such a development. At present, --Set beryllium-emission ceilings for extrac tion plants, machine shops, foundries, ceramic plants, .propellant plants and incinerators that are designed, to dispose of -toxic substances. These ceilings would Omit emissions at the poi sonous metal to a maximum of 10 grams per 20-hour day, or to the point that beryllium con centrations won't exceed an average 0.01 mlcrogrsms per'cuhic meter of air for 30 days. the Industry, located in California, Nevada and Utah, consists of two large mines with fewer than 200 workers altogether, plus 30 to 40 oneman and two-man mines. In 1969, when mer cury prices were triple'current levels, 109 mer cury mines were operating, he rioted. V The asbestos-spraying ban would be tem pered by the provision that spraying may be done'Indoors "under conditions where the air that would be released to the atmosphere can --Hequire rocket-motor , test facilities 'to keep concentrations of-beryllium in the sur rounding atmosphere within a ceiling of 73 microgram minutes pec cubic meter'of air accu mulated during any two consecutive weeks! (A microgram minute is 'derived.. by, dividing the weight of the material. collected -by the flow rate expressed m cubic meters of air per. min ute.)vThe rule-provtdes thit the sampling must be done,in not less than, lb minutes end not more than .40 mtautes._^An. EPA: official' ex'plained that .the agencyfwculd require''a net work of sampling: devices "set to collect, for varying'periods.of time within tbi*'range.'V. .;' --Require mercury-cell ehlor-alkali 'plants.' which produce chlorine and aiksli caustic, end be cleaned.'*..' - ' Beryllium-users also would have the choice of complying with the 24-hour/day maximum or the ceiling average over a 3May period. .- - Approximately 300 machine shops, ceramics plants, propellant plants, extraction plants and foundries could cause beryllium emissions. But because the light metal's extreme toxicity long has been recognized, ``the major portion .of the industry already. has the ^emission controls .needed to ^com^Iy^ with '^the proposed stan- 'dards,"'tim'agency'said.`for-this reason.-iand because beryllium, trapped; in air filtration.de-' vices'has*reprocessing value.'-it'said 'the'`stan dards "are expected to have little impact on primary, mercury mines to limit'emissions to a maximum of five pounds'-of mareury 'over a 24-bour period/V'"' The inhalation'of^ asbestos-fibers, has bees the tadustryl'^T.::^' i The EPA*aidlt will announce-public .Hear ings on the proposals within 30 days and also Is allowing 90 days for written comments... _. linked to-''a'numberi.of human diseases 'Indud- .Agency Looks to Further Limitation* - tag bronchial 'cancer. .Beryllium "in high con Earlier" this year,.' the EPA .made final .the centrations can cause pneumonia-tike diseases) maximum atmospheric levels'of six major pol while mercury poisoning disables the nervous lutants, Including particulates sulphur dioxide systsm.... -' .. , v "T, and carbon monoxide, that will, bs permitted Poets of'Compliance.Assessed - . The greatest economic Impact from'the.pro posed Standards would be felt by the nine as bestos mills- processing domestic ores. The under federal-state control plans due to take ef fect la mid-1973." -T,.' In addition, the agency is authorized by the Clean Air Act of 1970 to establish specific source emission limits for toxic substances. EPA estimated'-that their cost of complying The proposals announced Friday represent the will range-up to 4.7% of the average 1948 sell first response to this mandate. But the agency ing price of a ton of domestically produced, as now is looking into the passible need for simi bestos.- The average figure for ell. the'mills, lar emission limits on air-borne cadmium, va however, only would amount - to- 0.9%, the nadium, manganese and arsenic. Dr. Vatm A. sgeney said- . *. 1 Newell, EPA health effects director, told the Producers of asbestos products, including briefing. floor tile, reinforced friction materials, paper - One major source of air-borne asbestos, mo and textiles, face an "annualized coat" equal to tor-vehicle brake linings, isn't covered by the 0.3% of the "output product value," according proposed standards. However, control of .brake to the EPA.' This would result In an average emissions is "being assessed," EPA official: product price increase of 0.3%, with the most said. significant being 3.4% tor.asbeatoa paper prod Sources of mercury In the air also not cov ucts, the agency said. ered by the proposed standards are fossil fuels The ban on sprayed asbestos would sffect notably coal. Dr. Newell explained that be only about 04% of domestic, consump cause high' stacks and even higher-rtsint tion. The SPA Mid that Increased"costs for smoke plumes distribute emissions from sue: substitute materials will range up to 13%, but sources quite widely, the EPA believes there' that new spraying equipment and extensive re "little chance" of them exceeding the ceilings CAPCO KIN 0000987