A new study has found that liquid waste from hydraulic fracturing, or “fracking,” that was treated and released into local streams in Pennsylvania still contained elevated levels of salts and other contaminants, which could be dangerous to aquatic life and human health.

A conversation with sample extraction experts Dr. Kang Xia and William Ickes

Incubator contamination is a potential for all incubators. Laboratories have thousands of airborne contaminants that may enter a culture incubator during a door opening and enter the growth environment. High Efficiency Particulate Air (HEPA) filt

The traditional method of testing for microbial contamination has changed very little in the past 100 years. A sample of product is added to a growth medium in a plate or sample container.