 List of environmental sampling techniques

Environmental sampling techniques are methods used to collect samples from various environments for the purpose of analysis, monitoring, and research. Here is a list of common environmental sampling techniques: ### 1. **Air Sampling Techniques** - **Passive Sampling:** Uses diffusion to collect airborne pollutants over time. - **Active Sampling:** Involves pumps or other means to actively draw air through a filter or collection medium. - **Grab Sampling:** Collecting a single air sample at a specific time and location.