31. Is it to prevent bacterial contamination ? 32. In some cases, the water supply system s pressure is not adequate, increasing the risk of bacterial contamination . 33. Chiron had traced the bacterial contamination in those eight lots back to two bulk lots of viral antigens. 34. It is important to clean the diaphragm as condensation or milk may reach this part causing bacterial contamination . 35. There is no evidence that organic milk has clinically significant higher bacterial contamination levels than does conventional milk. 36. It was eventually determined that the deaths and illnesses were a result of bacterial contamination of the beer. 37. Buffalo Creek has a higher level of bacterial contamination than the nearby Penns Creek and White Deer Creek. 38. As bad as it is, the bacterial contamination from farms and sewers is only considered a short-term problem. 39. At this stage, the wine is stabilized against possible yeast or bacterial contamination by the addition of sulfites. 40. He cited exports of seafood to the EU where two companies were banned last year for bacterial contamination .
