Our company provides internationally approved and accredited testing, inspection and inspection services to the following standards. 

TS EN ISO 11274 Soil quality - Determination of water retention - Laboratory methods

TS EN ISO 11275 Soil quality - Determination of unsaturated hydraulic conductivity and water retention - Wind evaporation method

TS EN ISO 11461 Soil quality - Determination of soil water content as volume fraction using core arms - Gravimetric method

TS EN ISO 11274 Soil quality - Determination of water retention - Laboratory methods (ISO 11274: 1998 + Cor 1: 2009)

tst EN ISO 11275 Soil quality - Determination of unsaturated hydraulic conductivity and water retention - Wind evaporation method (ISO 11275: 2004)

TS EN ISO 11461 Soil quality - Determination of soil water content in volume fraction using core arms - Gravimetric method (ISO 11461: 2001)

TS ISO 11465 / Cor.1 Soil quality-Determination of dry matter and water by mass basis-Gravimetric method

TS ISO 10573 Soil quality - Determination of water content in unsaturated soil layer - Neutron probe method

TS ISO 11465 Soil quality-Determination of dry matter and water based on mass basis-Gravimetric method

TS EN ISO 15175: 2011 Soil quality - Soil classification for the protection of groundwater

TS ISO 15709 Soil quality - Soil water and unsaturated zone - Definitions, symbols and theory