Certain welding fumes contain significant amounts of chromium, manganese, and nickel,
and trace amounts of arsenic and lead. These metals exhibit mutagenicity in one or more in …

A search of 3600 indexed pathology cases has disclosed pulmonary fibrosis in 29 welders.
Scanning electron microscopy of biopsy material revealed macrophages laden with …

Fumes generated from mild steel and stainless steel welding were collected on paper filters
and tested in the BHK and SHE cell transformation assays. Fumes from the manual metal …

Welding fumes generated by manual metal arc welding (MMAW) with an automatic welding
machine were extracted with water and both the soluble and insoluble fractions were …

The replica plating method as developed by Lederberg has been used to differentiate
between" true" and" false" histidine-requiring revertant bacterial colonies which develop on …

Sažetak The study involved 106 workers exposed to stainless steel dust (47 stainless steel
welders, 59 stainless steel handling workers) and 80 controls. Respiratory impairment was …

The fibrogenic potential of 11 different welding fumes and metallic aerosols, considered to
be reference standard surrogates for the commonly used welding technologies and …

Welding fumes from a wide variety of processes and applications were assayed for toxicity
with BHK 21 cell line and SHE primary cells in culture. The most toxic fumes are those from …

Although the high exposures to metallic aerosols that were formerly encountered in the
primary nickel industry are no longer prevalent, large occupational groups, such as welders …

Particulate samples taken from both the indoor (working) and outdoor (community)
environments contain a wide range of metallic trace elements most of which are mutagenic …