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 ...

A survey of 75 biomedical articles dealing with stress-dependent blood parameters in caged primates revealed that the conditions under which blood collection occurred were in most cased described ...

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 ...

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 ...

The following is an example of a correctly used Standard Operating Procedure form. Strong inorganic acids are highly corrosive to skin, eyes, and the respiratory system. Avoid skin contact and ...

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.

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 ...