Αποτελέσματα Αναζήτησης
23 Μαρ 2016 · By the 17 th century a connection was made between the disease and stone-cutting; in the 19 th century the culprit was identified as silica dust; and by the early 20 th century miners in...
- Who's Watching The Chickens
Those two laws from 1906 still shape how the nation’s food...
- Who's Watching The Chickens
15 Αυγ 2019 · Although the silica standard took 19 years to go through the rulemaking process, every Labor Secretary since 1996 – under both Republican and Democratic Administrations – kept controlling silica dust and protecting workers a regulatory priority.
18 Μαρ 2022 · Skilled workers (including experienced miners), employed on a stable basis, are submitted to moderate but lifelong silica dust exposures. These workers tend to benefit—even imperfectly—from the implementation of national prevention and compensation schemes.
13 Σεπ 2019 · Silica (silicon dioxide, SiO 2) is a naturally occurring mineral that accounts for 59% of the mass of the earth's crust and is the main constituent of more than 95% of rocks. Historically, most workers at risk of silicosis were those who encountered it in its natural environment, such as miners, tunnels and quarry workers.
clinicians throughout the United States will likely be seeing more patients referred with silica exposure and concern for silicosis. Pulmonologists should familiarize themselves with the new OSHA silica standard, how to assess occupational silica exposures, and recognize and manage silicosis and other silica-related diseases,
History of Silicosis and Silica Dust. Silicosis has been a recognized disease process for over 400 years. Agricola in his Treatise on Mining, written in 1556 described a pulmonary disease afflicting stonecutters and miners and later by Ramazzini in 1713.
“More than 80 years ago, Labor Secretary Frances Perkins identified silica dust as a deadly hazard and called on employers to fully protect workers,” said U.S. Secretary of Labor Thomas E. Perez. “This rule will save lives. It will enable workers to earn a living without sacrificing their health.
