With the decline in the number of rendering operations due to industry consolidation and concern about Bovine Spongiform Encephalopathy (BSE) transmission, disposal of dairy and beef cattle mortalities by rendering either is not an option or is prohibitively expensive in many areas of the United States. On-site burial remains an alternative in many states, but impact on ground water quality is ...

years. In many parts of India, it lias long been the practice to utilize night-soil as manure without any previous treatment. It is also occasionally used for preparing ' poudrette' in combination with mud and refuse. In recent years, however, the desirability of preparing composts from night-soil and different forms of organic wastes under aerobic conditions is being increasingly realized as e...

The relation between occupational factors and pancreatic cancer has been studied by two different approaches: a population based case-control study with two series of controls and a retrospective cohort study based on register data. With both approaches, some support was found for an association with occupational exposure to petroleum products. Associations were also indicated with exposure to ...