Abstract There is a growing concern in mining community about the contribution of nano-particulates to miner’s health. Despite health influence respirable dusts and associated lung diseases have been recognized for decades industry, nano-scale particulates accompanying with complicated physiochemical properties their enormous quantity drawing attentions only recent few years because advancement...

BACKGROUND Our aim was to investigate the potential of the DustGun aerosol technology integrated with the isolated, perfused, and ventilated lung of the rat (IPL) to study the pulmonary disposition of an inhaled model biopharmaceutical, the 40-kDa protein horseradish peroxidase (HRP). METHOD The DustGun aerosol technology was used to deliver respirable powder aerosols of HRP (the mass median ...

UNLABELLED Cellulose insulation (CI) is a type of thermal insulation produced primarily from recycled newspapers. The newspapers are shredded, milled, and treated with fire-retardant chemicals. The blowing process for installing CI generates a significant quantity of airborne material that presents a potential inhalation hazard to workers. CI was selected for study based upon the high productio...

An analysis was conducted on a cohort of Chinese pottery workers to estimate the exposure-response relationship between respirable crystalline silica dust exposure and the incidence of radiographically diagnosed silicosis, and to estimate the long-term risk of developing silicosis until the age of 65. The cohort comprised 3,250 employees with a median follow-up duration of around 37 years. Inci...

OBJECTIVES To determine whether the respiratory symptoms and decrements in lung function found in manufacturers of ceramic fibres are related to exposure to the respirable fibre or inspirable mass constituents of the air in the working environment. METHODS Cross sectional survey of all current European primary producers of ceramic fibre was carried out, with measurement of exposure to respira...

In this study we have measured exposure levels to quartz in different parts of the slate industry in Alta, Northern Norway. Full shift personal samples were collected from the breathing zones of outdoor and indoor workers in the slate quarries and a slate factory. The quartz content of respirable dust was between 7 and 41%. The slate factory had the lower quartz levels although 41% of total and...

The long-term goal is to extend our predictive skill for mesoscale meteorology and to use that meteorology to improve prediction for the transport of aerosols and gases. We recognize the need of the Navy to have predictions of mesoscale weather for operations, of tropospheric aerosol conditions for both operations and weapons systems, and of Chemical and Biological Weapons (CBW) conditions for ...