The Kolleru Lake is a famous Ramsar wetland of international significance. In this study heavy metal contents in water and sediment samples are reported. It is found that certain potentially toxic metal ions like chromium (4.5-80 µg/L), copper (1-20 µg/L), manganese (1-313 µg/L) and zinc (1.2-57 µg/L) are present in variable quantities in the lake water. When normalized with respect to concentr...

Water quality of four open wells representing four localities around the Kerala Minerals and Metals Ltd industrial area, Chavara, Quilon district was studied fora period of six months from December, 2006 to May 2007 to assess the suitability of the well waters for domestic purposes. The well waters exhibited high BOD (average values from 12.87-15.96 mg l(-1)), COD (666.67-796.67 mg l(-1)), TDS ...

Arsenic contamination in drinking waters has been a serious public health concern due to both carcinogenic and other health effects. The main sources of human exposure to arsenic are the drinking waters. Arsenic can cause chronic illness and death, even at low levels of arsenic concentration in drinking waters. There are many technologies available for removal of arsenic from contaminated drink...

Microbial source tracking (MST) has become a focus of some recreational beach monitoring programs. Suspected sources of contamination include human sewage, agricultural runoff, and feces from wildlife and domestic animals, depending on beach location. Waterfowl have been suggested as a primary source of fecal contamination at many beaches, but techniques to “prove” contaminating microbes are of...

Since contamination with intestinal parasites is one of the major health problems in all of the countries including Iran and considering its prevalence in northern Iran, this study was performed to determine the fauna and prevalence for intestinal parasites in Katalum-Sadatmahelleh region of Ramsar. The descriptive and cross-sectional protocol of this study was carried out on 1174 samples of f...

Agricultural runoff influenced by nonpoint pollution frequently exceeds the USEPA standards for bacterial contamination of primary contact water (200 fecal coliforms/100 mL). Few studies bave evaluated the effect of cattle (Bos taurus) grazing on fecal contamination of ground water in the karst topography of central Kentucky. Our objectives were to: (i) observe the extent and pattern of fecal b...

background and aims: in iran herbal water and dried herb are as traditional medicinal and are consumed widely. therefore, microbial evaluation of these products in term of public health is important. the aim of the present study was to study the contamination of some dried medical plants and distillates in the groceries of shahrekord city. methods: in this descriptive study, 35 samples of herba...