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1 S-MHz bandwi dth, 2mV sensitivity, 3o/o accuracy,sweeps usable to 2)nsldiv and an 8 x 10 cm CRT with internal graticule would normally c/ass these osci//oscopes as laboratory instrumenfs but they will find wide use in the service shop, technical school, and industry. A DVANCES IN INSTRUMENTATION nowadays .{a. ao not always involve the bettering of(More)
The paper describes the concentration of tetrachlorethen (TCE) in the air of flats in Bremen adjacent to drycleaners and the resulting TCE concentration in the food and blood of the residents. The results indicate that--regardless of the cleaning system--a high TCE pollution must be expected with nearly everybody living next to a TCE dry cleaning shop. The(More)
New legal provisions set a limiting value of 0.1 mg TCE/m3 air in flats. Follow-up examinations by the Public Health Office Bremen show again that so far this limit can not be complied with in flats adjacent to dry cleaners. Interviews with affected residents give no hint for a change in utilisation habits. The Upper House of the German Federal Parliament(More)
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