2. Implementation and production hazards

2.1 Performing test shots

One of the objectives of the sampling plan is to define the distribution of a pollutant and its variability in space and time as a function of its support.

Figure 3 gives examples of sampling strategies, depending on the composition and heterogeneity of the distribution of the medium.

• Results are subject to uncertainties due to systematic or random errors.

• Systematic errors (or biases): these can be detected by statistical measurement. They always...