BS EN ISO 17628:2015 Geotechnical investigation and testing. Geothermal testing. Determination of thermal conductivity of soil and rock using a borehole heat exchanger
EN 16228-1 Drilling and foundation equipment - Safety - Part 1: Common requirements*, 2019-05-01 Update
EN 16228-2 Drilling and foundation equipment - Safety - Part 2: Mobile drill rigs for civil and geotechnical engineering@ quarrying and mining*, 2019-05-01 Update
ISO 14688-1 Geotechnical investigation and testing - Identification and classification of soil - Part 1: Identification and description*, 2017-12-01 Update
ISO 14689-1 Geotechnical investigation and testing - Identification and classification of rock - Part 1: Identification and description
ISO 22475-1 Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for the sampling of soil, rock and groundwater*, 2021-09-30 Update
BS EN ISO 17628:2015 history
2015BS EN ISO 17628:2015 Geotechnical investigation and testing. Geothermal testing. Determination of thermal conductivity of soil and rock using a borehole heat exchanger