Specifies the sampling context, providing contextual details about the sampling environment.

1 Archaeological site
2 Other modern
3 Other palaeo
4 Pitfall traps
5 Stratigraphic sequence
6 Moss polsters
7 Insect hunting
8 Qualitative vegetation survey
9 Lake surface sediment samples
10 Quantitative vegetation survey
11 Other quantitative insect survey
12 Dendrochronological investigation
13 Ceramics
14 Geoarchaeological field prospection
17 Dendrochronological building investigation
18 Dendrochronological archaeological sampling
19 Dendrochronological living trees