A lab specific Standard Operating Procedure (SOP) is required when a laboratory engages in an activity or procedure not covered by the chemical hygiene plan. Use the Lab Standard Operating Procedure ...

Students will determine the total concentration of free iron in freshwater and/or municipal drinking water via visible absorption spectrophotometry. This exercise will require students to create ...

The U.S. Environmental Protection Agency has released updated procedures for collecting groundwater samples through its Laboratory Services and Applied Science Division. The guidance describes general ...

The following prudent biosafety practices are recommended by the National Academy of Sciences in the publication Biosafety in the Laboratory and in part constitute basic good biosafety practices.

The following applies to any laboratory equipment items that are used in a laboratory for the purposes of research. This also includes any item that presents an exposure hazard to non-laboratory ...

Many assays have integrated, built-in, or internal controls to demonstrate their operability at specific procedural steps. What role do these built-in controls play in quality control to assure ...

Preanalytical errors in clinical labs—like hemolysis, contamination, or mislabeling—can derail patient care before testing even begins. These mistakes are most common in high-pressure areas like ...

Good laboratory practice (GLP) regulations became effective in 1979 under 21 CFR Part 58 and apply to all non-clinical safety studies intended to support research permits or marketing authorizations.