170135_inorganicventures_flipping

3:5 Sampling and sub-sampling

Developing a Sampling Plan (cont.)

• The contamina6on risks. • The number of samples to be taken. • How the samples will be collected -- by whom and in what kind of container. • The total quan6ty of the aggregate sample. • Whether specific storage condi6ons are required. • Whether preserva6on is required. • Whether and how the aggregate sample will be sampled (sub-sampling). • Whether grinding or sieving will be used. • The size of the final sample and whether more than one aliquot be prepared for analysis.

3:6 Sampling and sub-sampling

Construc)ng a Sampling Program

The above informa.on can then be used to construct a sampling program, using the following set of criteria:

• The objec.ve as stated above. • Analyte(s) of interest and method(s) to be used. • Sampling loca.on(s). • Number of samples to be collected and the procedure for sampling, including sample preserva.on / pretreatment / storage condi.ons / requirements.