The removal of groundwater contamination is a complex process due to the hydro-geochemical characteristics specific site, related maintenance and possible presence several types pollutants, both organic inorganic. In recent decades, there has been an increasing drive towards more sustainable treatment for contaminated as opposed intensive treatments, i.e. with high requirements onsite infrastru...

Please include the attached comments on the Office ofEnvironmental Health Hazard Assessment's (OEHHA) draft CrVI public health goal (PHG) released for public comment in August 2009. We believe that these comprehensive comments address the many weaknesses in the proposed PHG requiring further evaluation and appropriate change to the proposed PHG at this time. We further believe that the now ongo...

Alveolar macrophages (AM) from bovine lungs were exposed in culture to manual metal are (MMA) welding fume particles, chromium (Cr), UICC chrysotile A or anatase for 17-20 hr. All the welding particle samples were more cytotoxic to AM than to anatase. Particles from the welding of mild steel with a rutile-coated electrode were less cytotoxic than those produced with a basic-coated electrode. Pa...