Questions to Answers
- What is the difference between Active and passive sampling?
Active sampling is different from passive sampling in that it employs an air sampling pump that serves to actively pull air and pass it through a collection device, for instance a filter. On the other hand, passive sampling does not need active air movement, like the one generated by a pump. Instead, vapors and airborne gases are collected through a physical process including permeating via a membrane or diffusion through a layer of static air.
- What is the difference between Instantaneous (real-time) and integrated (continuous) monitoring?
Instantaneous monitoring ...