New CCRMP Refernce Soils SO‐1 to SO‐4

Abstract

Four reference soils have been prepared and certified through the cooperation of Energy, Mines and Resources Canada and Agriculture Canada. Their origin and details of preparation and characterization are presented. Thirty‐six laboratories participated in the international certification program by providing approximately 16000 results for 65 elements. One or more of the reference soils were certified for 18 elements and preliminary data were obtained for another 47.