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Reducing Silica Exposure in Concrete Cutting Part 1 ...

Reducing Silica Exposure in Concrete Cutting Part 1 Crystalline silica, a common mineral often produced on construction sites from materials like sand, stone, brick, mortar, and most commonly, concrete, poses a significant health risk to construction professionals.

(PDF) Exposure to Respirable Particulates and Silica in ...

Exposure to Respirable Particulates and Silica in and around the Stone Crushing Units in Central India Article (PDF Available) in Industrial Health 49(2):221-7 · December 2010 with 179 Reads

Silica – Technical guide to managing exposure in the workplace

Silica has been a long standing health hazard, causing millions of cases of disease and death since civilization, stone masonry and mining began. The risk arises through the inhalation of dusts containing crystalline silica. This document will assist workplaces where silica …

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reducing silica eand posures in stone crushing. Occupational Exposure to Dust in Quartz Manufacturing Industry. stones, crushing, grinding, sieving, screening, mixing, storing and bagging. ... respirable dust ...

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reducing silica eand posures in stone crushing; reducing silica eand posures in stone crushing. Occupational Exposure to Dust in Quartz Manufacturing Industry. stones, crushing, grinding, sieving, screening, mixing, storing and bagging. Results demonstrate ... respirable dust, which contain a very high percentage (>75%) free silica.

Silicosis in Stone Crushing Workers-A Retrospective Analysis

Occupational exposure in stone crushing units to silica particles of size 0.5 to 5µm poses a hazard to the workers. Methods: Our study is a passive surveillance study of silicosis in the symptomatic workers referred from Occupational Disease

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Mar 31, 2009· Silica released from stone crushing is causing an epidemic of silicosis, cancer, other lung diseases and increases the risk of acquiring Tuberculosis (TB). This situation is particularly dire in ...

Bureau Veritas asks industry to reduce Silica exposure ...

With guidelines on managing exposure to hazardous substances at work becoming ever tighter, Bureau Veritas has called on the construction industry to 'work smarter' on addressing the risk silica dust poses to employees. Silica is a material found in most types of natural stone, clay, bricks and ...

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CiteSeerX — Exposure to Respirable Particulates and Silica ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract: Stone crushing unit workers suffer from particulate matters and respirable silica at work and in their residents nearby. The present study was undertaken to evaluate the area and personal exposure concentration of respirable particulate matters and silica in workplaces and in surrounding villages.

Guidance for Controlling Silica Dust from Stone Crushing ...

Freshly fractured crystalline silica particles are considered the most fibrogenic as they are capable of entering the gas-exchange regions of the lungs, thus increasing the importance for the control of respirable silica dust generated from stone crushing units. Figure 1. Stone crushing operations create large quantities of respirable dust.

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A recent study in India of over a hundred stone crushing workers showed that 48% had TB alone or in combination with silicosis. In fact, TB is the most common cause of death in those with silicosis, The keynote speaker at the conference indicated that reducing worker exposure to respirable silica would reduce TB incidence among those exposed.

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Reduction of respirable silica following the introduction ...

Respirable crystalline silica dust generated during stone crushing operations has been linked to chronic lung disease and increased risk of tuberculosis. In India, most stone crushing mills operate without any dust control or containment systems. This investigation in the Khurda District of Orissa ...