Is there an acceptable level of asbestos use?
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چکیده
منابع مشابه
Low level exposure to asbestos: is there a cancer risk?
Editorial Low level exposure to asbestos: is there a cancer risk? In the early days of asbestos use when its harmful potential was not understood hygiene standards at the workplace were extremely low. Airborne dust concentrations were uncontrolled and fibre levels in excess of 100 per ml were not unusual. This type ofexposure led to the discovery that inhalation of asbestos produced pulmonary f...
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In this age of modern era, the use of internet must be maximized. Yeah, internet will help us very much not only for important thing but also for daily activities. Many people now, from any level can use internet. The sources of internet connection can also be enjoyed in many places. As one of the benefits is to get the on-line is there an optimum level of population book, as the world window, ...
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Avoiding havoc A recent study by the Environmental Defense Fund shows that power plants, industry, and automobiles are leading sources of the nitrogen pollution that wreaks havoc on coastal ecosystems. Explosive blooms of algae nourished by nitrogen suffocate fish and shellfish populations and invade swimming beaches. Scrubbers on smokestacks designed to trap sulfur do not control nitrogen, but...
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ژورنال
عنوان ژورنال: The Lancet Respiratory Medicine
سال: 2019
ISSN: 2213-2600
DOI: 10.1016/s2213-2600(19)30003-7