431300 Test drilling and boring
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431300 Test drilling and boring
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This type includes:
- test drilling, test boring and core sampling for construction, geophysical, geological or similar purposes
This type excludes:
- drilling of production oil or gas wells, see 061000, 062000
- test drilling, associated with extraction of petroleum or gas, see 091000
- test drilling and boring support services, e.g. associated with mining activities, see 099000
- water well drilling, see 422100
- geothermal drilling, see 422100
- shaft sinking, see 435000
- exploration of oilfields and gas fields, geophysical, geological and seismic surveying, see 711205