Tucson Daily Citizen from Tucson, Arizona on February 5, 1973 · Page 7
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Tucson Daily Citizen from Tucson, Arizona · Page 7

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Tucson, Arizona
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Monday, February 5, 1973
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Page 7
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MONDAY, FEBRUARY 5, 1973 T U C S O N D A I L Y C I T I Z E N PAGE? we matter Pollution intake in studv at UA ' · ' . . . ' ' ' . :\' · · * . · . . - . By DOUGLAS KREUTZ Citlwn stiff Writer ;.;. does ·'··one .hear of "ipine .hapless player acciden- ^ally swallowing a football. ·t But; a- child can choke Jo" death on a marble. '-·".·. It is all a matter of size. In simplified terms,: that is the key concept behind a new research program at 'the University of Araona on air pollution and related health dangers. ::.''\ ''·''· .'·' ' The research, conducted in/ the UA Atmospheric Analysis Laboratory, is aimed at deter : mining the sizes of pollution particles and noting which of the particles most easily filter into the human body. ' , ; , "It has been proven that small pollution particles are taken into the lungs more easily than large ones," explains Jarvis Moyers, director of the analysis lab. "If we can learn the size of various particles and obtain a distribution for · them, we may also be able to learn about their interactions with one another and how long they will stay in the air." Then other scientists can use that data to determine which of the major pollutants -- sulfur dioxide, nitrogen oxides, hydrocarbons, dust particles and others -- are most likely to ibe taken into the body, Moyers explains. . Large particles can be detrimental to visibility and! plant 'life, he adds, but those that are too large tq filter in great numbers into the lungs may toe ruled out as direct health ^hazards. '.,. ; Moyers and his nine lab assistants use a device called a Cascade Impacter . to gather and classify pollution particles on the basis of size. The coffee-pot-size impacter has six funnel-like chambers arranged in a stack. The 'top funnel will admit relatively. large particles, but only very small pieces will circumvent particle collecting plates near the opening of the smallest funnel piece. :.,... The particles are drawn through the impacter by a vacuum system, and particles of descending size are trapped. on each of the six glass collecting plates. The, collecting plates then. are removed and examined under special optical equip. ment. ;v "Already we have found that lead and cadium are among the smallest particles," Moyers says. But a comprehensive list ranking particles by size will not be completed for some time. (Indeed, health experts have contended that the lead 1 in automobile exhaust emissions is harmful' to humans, and research in the. lab may conclude that the relatively small particle size of lead may be an important part of the problem.) · As-information is gleaned about the particle-size of other pollutants and-their tendency to penetrate the body, researchers can identify the most harmful pollutants and seek methods to reduce or neutralize them, Moyers says. : The analysis lab has been in operation for two years, he says, : but research on particle size effects is only beginning to yield results. Ah electric micro-balance impacter is being tested and 1 may prove superior to the Cascade Impacter by providing instant data, including weight measurement, on particles. , : As work continues, other ·variable factors; -- such as weather conditions and the time of day or year -- will be studied; Moyers adds. Another lab instrument -- a ..$65,000-mass spectrometer -will be used for Interpreting and .analyzing various ^pollution compounds foundi. in .the .air. .'.'..,..",..· ' ' · · . "So far, we are only measuring the total amount of .an element," Moyers says, "but we also want to know the com- tion compounds found in the air. ' ... ' "So far, we are : only measuring the total amount of an element," Moyers says, "but we also wont to know the compound the element is in -- and the mass spectrometer will help here." Ballerina in hospital LONDON (AP) -- Former prima ballerina Dame Alicia Markova has been admitted to the London Clinic for removal of her gall bladder. A spokesman for the 62-year-old British dancer said the sur- ~gery would delay her planned: return to the United States un- tilMay.' ' Seven persons die on Arizona roads -- UPI TeltPhoto Wants China tie Sen. Henry M. Jackson, D- Wash., believes the United States should move without delay to establish formal diplomatic ties with China. Jackson says the step would involve cutting ties with Taiwan, but he says he hopes the U.S. could maintain a mission on the island for communications and continue to fulfill treaty commitments to the Nationalist regime. Who's embarrassed? NOVI SAD, Yugoslavia (UPI) -- Police said they have arrested; a woman caught stealing shoes for left feet in a department store. Asked why she stole only left shoes, the womamrepliedrj"1 took all the right ^nesiyester- " " ''' By Unlltd Prtu International Seven persons died during · the weekend in:, Arizona trai'- · fie, raising the highWay. toll to . 54, compared with 60 on this ; date last year. · - ' : The latest victims were James Henry Murray, 38, of Yuma, and Ramona C. Kincaid, 28, Phoenix. . :.r.' Murray was killed late,last v night in a one-vehicle crash on Highway 95, about 2G miles north of Yuma.: Mrs. Kihcaid and her husband, Kenneth, 28, were thrown from a motorcycle i. when it struck a culvert south- ··' f\vest of Phoenix. Kincaid was reported in serious condition at St. Luke's Hospital. Also killed yesterday were Van Albert Dotson, 17, Chandler ; Stan Silvern) an, 42, Las Vegas; and Jack G. Ward, 45, Cabason, Calif, · Dotson was killed .west of Mesa when his motorcycle veered across the center line as it was tbeing passed by a pickup truck. The truck col- · lided with the motorcycle, and 1 Dotson was dead on arrival at Chandler Community Hospi- ,tal. ' Silverman and Ward' died- when their pickup-camper ran off U.S. 93, vaulted a wash and struck a bridge abutment 25 miles south of Kingman. ^ : The body of Louise Mae. ;" jMcCMan, 37, Gray Mountain I Trading Post, was found Sat- urday evening on U.S. 89, 23 miles north of Flagstaff. Highway patrolmen .at first said she apparently was pushed, fell or jumped from a vehicle, but after an all-day investigation, said- she was a traffic victim. Linda Myers, 11, Phoenix, was killed by a car Saturday while walking her bicycle across a northwest Phoenix street. Employment figure up in Arizona PHOENIX (AP) - The seasonally adjusted unemployment rate for Arizona is 3.6 per cent, the Arizona Department of Economic Security reports. The agency said the latest figures available show that there were 26,000 jobless residents in the state, the lowest figure since last May, At the same time, total employment in the state is up to '774,000, an increase of 11,000 over the previous monthly reporting period. Seasonal advances in trade and services were above normal, said the department. con be hazardous! to your health! ftidb fhe BUS. 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