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C Zenz

Publications and source records attributed to C Zenz.

13 recordsLinked to original sources
PubMed1978

Benzene--attempts to establish a lower exposure standard in the United States. A review.

Production usage and potential occupational exposure to benzene are described in this review, as are selected, relevant reports presenting evidence evidence implicating benzene as a causative factor in leukemia, particularly acute myelogenous leukemia, pancytopenia (including aplastic anemia) and chromosomal aberrations. A chronologic account of events in the 1970s in the United States, largely based on epidemiologic evdince collected and prepared by the National Institute for Occupational Safety and Health, caused the regulatory agency, the Department of Labor, through its Occupational Safety and Health Administration to declare benzene a human leukemogen and carcinogen and to publish an emergency temporary standard of 1 ppm in May, 1977, but this standard has not been legalized.

Air Pollutants↗
PubMedDate not supplied

Ergonomics study shows effect of full-body suit on energy use.

It stands to reason that a full-body protective suit has an impact on the worker's body. It has weight, it does restrict movement to an extent. It's not like wearing a sport shirt. But, how much of an impact and what kind; how much of an energy drain is it? This ergonomic study addresses itself to the energy expenditure from wearing such a suit. The study reveals that the energy requirements in workers undergoing light to moderate exercise do increase. In some cases, the increase may be marked, with the physiological work level going from light to moderate to heavy. This work-level jump isn't always detectable by monitoring pulse rate alone. It's also reflected by an increase in minute ventilation and oxygen consumption. One tentative conclusion coming from this study is the possibility of improving comfort and reducing the energy requirements of workers using such equipment by increasing the volume of air supplied to the suit.

Adult↗