worker exposures to airborne silica dust, including . from quartz in stone. It covers the health effects of breathing silica dust, recommends ways to protect workers, and describes how OSHA and NIOSH can help employers effectively reduce silica dust exposures. Employers must ensure that workers are properly protected from exposure to silica
Information on the chemical composition of the quarry dust is important as it forms a vital baseline for among others the detection of the undesirable health effects among the quarry workers. The aim of the study was to find out the occupational health risks posed by the dust to the quarry workers
Get PriceIntroduction. O ccupational exposure to dust is a well-known phenomenon, especially in developing countries. 1,2 Although sources of air pollutants include power plants, cement factories, refineries and petrochemical industries, the emission of particulates is quite high from quarries. 3 The health impacts of working in stone quarrying industry have been well documented. 4,5 For instance
Get PriceQuarry Workers of Stone Crushing Industrial Site at Umuoghara, Ebonyi State, Nigeria AN Nwibo1, EI Ugwuja1, NO Nwambeke2, OF Emelumadu2, LU Ogbonnaya3 Abstract Background: Respiratory problem is one of the major health hazards in dust-exposed workers; it is a major cause of morbidity and mortality all over the world
Get Pricedimension stone ” is generally applied to masses of stone, either naturally occur-ring or prepared for use in the form of blocks of speci fi ed shapes and sizes, that may or may not have one or more mechanically dressed surface (Bowles, 1939: ASTM, 1998). Potential Environmental Impacts of Quarrying Stone in Karst— A Literature Review
Get PriceEffects of stone dust on health Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Effects of stone dust on health, quarry, aggregate, and different kinds of minerals
Get PriceAug 02, 2017 Impact of Dust in Quarries. There is no doubt or argument that dust pollution in quarries poses various health risks to its workers as well as to the surrounding communities. Such risks include respiratory ailments, skin and eye problems, and safety issues due to poor visibility. The dust particle size, concentration, chemical composition and
Get Pricethe study was to unearth impacts that quarrying activities has on health of the quarry workers and people living next to the quarries as well as physical environment. ... This increases the effects to the health of the quarry workers. ... Results shows that the quarries produce a lot of dust and noise and this affects the quarry workers and
Get PriceJun 06, 2016 More than 300 quarries and 1000 stone cutting industries are exist in Palestine, with a total annual yield of 100 million tons of raw stone and 25 million square meters of good stone. Unfortunately, this industry is usually associated with air pollution. To assess the impact of such action on agriculture and plant biodiversity, two methods including measurement of the particulate matters
Get PriceFor individual quarry operations, as part of their risk-assessment programme under the Management of Health and Safety at Work Regulations, 1999, health risks can be assessed subjectively. In order to be able to make an assessment of the risk of health hazards, the two major elements that need to be considered are (fig. 2):
Get PriceStone dust is also known as rock dust or quarry dust, and some products just have the brand name. The stone dust is collected using a screen that keeps the larger pieces of crushed stone above the screen while allowing the rock dust to fall through. This process is the reason why stone dust is often called quarry screenings
Get PriceSep 28, 2012 stone workers, quarry owners and the community. In contrast it was found that stone quarrying also contributes towards negative impacts to the community such as degradation of land and vegetation cover, and affects the health of the residents, for example muscle pain among many quarry workers, cough/asthma, eye problem and malaria
Get PriceIngestion: Dust: Rinse mouth and drink plenty of water. Never give anything by mouth to an unconscious person. Get medical attention. Most important symptoms/effects, acute and delayed Inhaling dust may cause discomfort in the chest, shortness of breath, and coughing. Prolonged inhalation may cause chronic health effects
Get PriceSilica dust exposure to workers can arise from the quarrying of stone, crushing, screening and sizing of the product, recirculation of dust within the cabs of vehicles and also from small scale working such as cutting and processing of kerbstones, block paving, bricks, flags and tiles and cement production
Get PriceOct 24, 2017 The prevalence of respiratory diseases and symptoms with regard to stone dust were recorded on 125 exposed and 125 control females from Mails, an endogamous caste group of Rajasthan Cough, phlegm, dyspnea, frequent wheezing, chest tightness occurred in creater number of female stone quarry workers than the controls matched for age, ethnic origin, socio-economic talus etc
Get PriceResults Stone quarry workers who work between 1‐100 m and beyond 100 m from the crusher with the required PPE were 90% and 87% respectively less likely to report eye irritation compared with
Get Priceimpact of dust exposure among stone quarry workers on ventilatory functions and serum level of tumour necrosis factor- alpha (tnf-α)
Get Price