There’s a small area along the Mississippi River where the land and buildings are covered with the same rust-colored mineral ...

Users describe the RCS-dust generating task they will perform ... multi-part on-line risk assessment tool for respirable crystalline silica (RCS) exposure for use in the construction sector. The ...

A firm manufacturing stone kitchen worktops has been fined £60,000 plus costs for repeated failures to protect workers from exposure to hazardous silica dust. In a statement yesterday (22 May ...

The skin from her wrist to her elbow was pinkish and splotchy — a condition, she said, that began with the dust that plagues ... from the Wagerup refinery. Puzey, who remains a mining contractor, said ...

Results Mean levels of airborne silica dust in the foundries decreased significantly between the 1970s and 2000s. Incidence rates of sarcoidosis (3.94; 95% CI 1.07 to 10.08) and seropositive RA (2.59; ...

The blended ash fusibility characteristics and its variation mechanism of biomass (peanut hull (PH), bean straw (BS), and corn cob (CC)) and Changzhi coal (CZ) with high silica–alumina were ...

Thus, an accurate measure of actual lifetime exposure to crystalline silica remains a challenging task.9 The Dust Exposure Life-Course Questionnaire (DELCQ) is a novel tool that enables retrospective ...

to develop gallium extraction and refining capabilities at EGA’s alumina refinery in Abu Dhabi. The initiative is set to make the UAE the second-largest producer of gallium, a critical element ...

But the application of laser cutting process on alumina green sheet is still restricted, due to the rough edges and dust raised during the process. A new 55w carbon-dioxide laser cutting system with ...

This initiative will create gallium extraction and refining capabilities at EGA’s alumina refinery in Abu Dhabi and make the UAE the world’s second largest producer of gallium. Gallium has ...