BS ISO 18400-202:2018提供了初步调查的设计和执行指南，包括: 案头研究和现场勘测，以及在适当情况下的初步风险评估。它是 适用于为确定土壤质量而进行的取样或调查。交叉引用:ISO 11074ASTM E1689-95（2014）ISO 19258:2005ISO 15175ISO 1579ISO 15176ISO 15800ISO 11504购买本文件时可获得的所有当前修订版均包含在购买本文件中。

BS ISO 18400-202:2018 provides guidance on the design and execution of preliminary investigations comprising desk studies and site reconnaissance, and where appropriate, preliminary risk assessment. It is applicable whenever sampling exercises or investigations are to be carried out to determine soil quality.Cross References:ISO 11074ASTM E1689 - 95(2014)ISO 19258:2005ISO 15175ISO 15799ISO 15176ISO 15800ISO 11504All current amendments available at time of purchase are included with the purchase of this document.