Chicago Tribune from Chicago, Illinois on September 7, 1971 · 45
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Chicago Tribune from Chicago, Illinois · 45

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Chicago, Illinois
Issue Date:
Tuesday, September 7, 1971
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45
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Chicago Tribune, Tuesday, September 7, 1971 Section 2 Lead in Air of Cities Called Threat to Children -9 WASHINGTON, Sept. 6 W-ln I consumes more lead in food report minimizing pollution from leaded gasoline, the National Research Council said today lead in the air of central cities poses a health risk to children but is no apparent threat to the general population. Some workers are exposed to extra risks from lead in the air, but not at an alarming level, says an ad hoc panel of the council's Committee on Biologic Effects of Atmospheric Pollutants. It reports that the average American, even in the cities, Full Staffs &?ait City's School Bells BY EDITH HERMAN Thanks to a national teacher surplus, Chicago public schools, which opened last September , with 800 vacancies, should be adequately staffed when classes begin tomorrow thruout the city. ' Despite a policy requiring assignment of new and non-certified teachers on an integration basis, officials say most positions are filled and more than 2,000 substitute teachers are on call to fill unexpected vacancies. Optimism Is Guarded - School officials are hesitant to be too optimistic, tho. Last September, enough teachers were hired to fill all vacancies, but many did not show up for the first day of school. Most either took jobs elsewhere or requested assignment as day-to-day. substitute teachers to bypass the integration requirement. Qfjficials don't expect a recur, rence this year. An oversupply of -teachers have left few vacancies elsewhere In the state and has created a larger pool -of day-to-day substitutes. The integration plan attempts to limit the faculty of any one school to 75 per cent black or nonblack thru placement of new and noncertified teachers. Some Vacancies Sean Some vacancies are expected In hard-to-fill positions that require special certification, such bs special education, altho teachers are available to staff the classes. About 570,000 students are expected tomorrow, a decrease of about 6,253 from last year. Robert Kelley, director of ad ministrative research, said the decline reflects a continuing decrease in the city's birth rate, Kelley said the city's birth rate has declined steadily from 92,727 in 1961 to 69,693 in 1970. School enrolment, meanwhile, has been decreasing since September, 1969, when It was 630,292. Cites Suburban Moves Kelley said movement of families to the suburbs is another factor in the enrolment decline. About 24 schools will open Without principals and two schools will open for the first time Martin Luther King High School, 4445 S. Drexel Blvd., and Edward White Elementary School, 122d and May Streets. Modular classroom buildings will open tomorrow or shortly thereafter to help relieve overcrowding or provide special programs at eight schools-Dunne, Emmet School complex, Poe, Oakenwald, Schome, O'Kffe,, Ryerson, O'Toole, and-Von Humboldt. Kennedy High School students will find a new lunch room-library addition to their school, at 6325 W. 56th St., and at Lane Technical High School, 2501 W. Addison St., a girls' shower and locker room will await the first girls in the school's history. , The department of pupil per sonnel services is pushing a campaign to encourage parents to enroll their students, includ ing more than 17.000 visits to homes. "Empieza La Escuela," a back-to-school pamphlet in Spanish, is being used in Latin communities. and beverages than he inhales from the air. And the average city dweller's total exposure produces blood lead concentrations about half that necessary to cause biochemical change and about one fourth that re quired to produce symptoms of lead poisoning, the report says. Mainly Urban Problem The study group reports lead pollution of the atmosphere is peculiarly an urban problem with the air in the larger cities containing concentrations 20 times greater than that over rural areas. It reports that children in the inner cities often absorb enough lead to cause biochemi cal changes but not enough to produce symptoms of lead poisoning. The latter is more likely to come from eating chips of lead-based paint, the panel reports. While traffic policemen, garage employes and other who work in air with high lead con tent are exposed to added riiks, the panel says long-term exposure to five times the lead they now absorb would be required to reach blood concentrations sufficient to produce symptoms of lead poisoning. The council had this to say about leaded gasoline: Report on Gasoline "Despite the rapid increase in the use of leaded gasoline, the high degree of dispersal of these burned additives has prevented a concommitant rise in atmospheric concentrations of lead. The average lead content of the air in most major cities has not changed greatly over the last 15 years. "From the point of view of contamination of the total environment with lead, the lead-using industries have contributed more than has the single source of combusted leaded fuel. Two or three times as much lead is added to the total environment in the form of paint pigments and metallic products as in the form of lead alkyls. Most of this lead, which enters the ecosystem thru surface weathering, dumping and burning, appears to be returned to the soil without significant emissions into the air." Urges More Study The panel found no information that current over-all concentrations of lead in the environment increase susceptibility to disease but asked further research in this area. It recommended more extensive monitoring of lead in common food items, drinking water and other beverages and more meaningful atmospheric monitoring, such as taking samples at street levels rather than atop tall buildings or at outlying airports. The study group was headed by Paul B. Hammond, professor of pharmacology at the University of Minnesota College of Veterinary Medicine. I can you ctnnv s: We Reline Brakes while U vail ' SPECIAL 398S With ttii id ... efftr axpirai 10-1-71 Moit cart axeapt dltc. GIANT SHOP... NEW $20,000 BRAKE TESTERS INSURE QUALITY. Most maior charge cardi. 220 Graan lay Rd., Ivomtoa (at Cantral St. ttop, NW train) UK 9-3200 ClifO. BR 3-5022, A Hon. tnru Sat. 7 to I T 9-7-71 LAND SEMINAR IF YOU CONTINUE SAVING THE WAY YOU ARE NOW . . . HOW WILL YOU LIYE WHEN YOU RETIRE? 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Schweiger, General Manager For reservations call toll-free 800-325-3535 Sheratoi-RazaHocel enpt fv soiiapf rhythm UACcrutics7TT SERVE and EH JOT so!umlbQcED CORNED BEEF if I -" I -,m odbeEfl' Same deftcious quafity-nowr In new see-thru package. Plain Jf vour nrnmr ir am f aftwJ' i II a Haiti ar,nE.fV " --",-' unnnniaw Muiuiiiuia vrnea BOM. inc. Ch ciaa. iUinntm. jrft Contact Lens Wearers! Call Ce 6-2125 forfrte "soft" lens Information Details on this remarkable., idyinci ml tow icmi of III riYjnt?i$ cm tOpplled to yoor twit .1 1 n 1 1 1 in lyallMtt w 1 1 b out it nmul Chick-Un and Roplooomtnt Sirvioo 0 Ail Typo Of Contact Lonsos , M. LII00KMAN. O.D. if3 .in Mi jmi, luiinmiuiUMi.il .iaaiwjMMJM. wwwMB.wpMa mi 11 iililii.ilii.iiiai. njiiminiiiiiiii..i..yiii. , , f , i iiiijiiiiiii.,IiIiii,Imih,i hikiiijiuo wi.jjimjt., ' If - ff pv tf -is 9os. 1..;. , - JT) r0fm i r.pr-0 f ti&MtB'SZggg'' i"--- 'Y r ' .Jf.'ayt I , - . 4u -,-7. gri. . ... ... , . ..-.v. f i iaaiiaiiia--fefo-w' 45sw ... . . v . a., -....- .f '-. ' 'X...-;.. KiS5-r 1' , .i' f f K fcJ( A.jr" J' v t r pi hi. ii1ijf11ii1ii1iwT " , .J a i .y ... .... j. jut ' -...v. .i vn , iril. . , n r , ;t,mMmrl .f.n , .M- -..j r rt'ritiiimoi IV n -mil iiinilninM ' H' There's a lot to be said for moonlight but your yard shouldn't have to depend on it. It's too easy to overlook the half -concealed tricycle on the edge of the front walk. Or the unexpected step in your backyard path. An electric pole lamp, controlled by a photoelectric cell, will light up automatically at dusk and bathe your sidewalk and drive in gentle but revealing light. Lighting at the curb or along the garden path can warn you of that unexpected step or unreeled hose. And an electric yard lamp controlled from both the house and the garage will illuminate the garage and outdoor storage area. Make the outside of your home as safe and as cheerful as the inside with electric yard lighting. Commonwealth Edison concern for your total environment 108 N. State St. Chicago. III. 60602 CT -T

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