Both cluster sampling and convenience sampling have their place in the world of market research. This article will explore both the pros and cons of each method. First, let’s define what these two ...

Permits are typically required for data or sample collection activities. Permits or documentation required for site access or sample collection should be part of a site packet of information. Before ...

Selecting a random sample from a set is simple. But what about selecting a fair random sample from a set of unknown or indeterminate size? That’s where reservoir sampling comes in, and [Sam Rose] has ...

With statistical sampling, counsel can simplify damage analyses, avoid potential issues with incomplete or missing data, and minimize the risk of error. In our prior ...

Launched in 2018, the ESAM Program is a comprehensive resource for field-and-laboratory-ready documents and web-based tools supporting characterization, remediation and post-decontamination following ...

The World Health Organization (WHO) warns that air pollution is of great concern and impacts health in many ways. To better the situation, it’s necessary to focus on air quality. However, when ...

A recent article explained the role of Gas Chromatography-Mass Spectrometry (GC/MS) in the analytics laboratory. The current article focuses on reviewing the technology used for preparing volatile ...

Nosocomial infections are infections that are acquired while at a health care facility and are not present at the time of admission. Nosocomial infections are many times also called hospital acquired ...