The Department for Environment Food and Rural Affairs began a consultation in 2006 to explore how to improve non-stautiry guidance that supports the risk assessment
of contaminated land using 'soil guideline values' (SGVs)
This consultation has closed without reaching a consensus on all points under discussion, but 14 measures have been agreed to as improvements to contaminated
A point of contention remaining is the guidance on determing the whether land contamination poses a 'significant possibility of significant harm' (SPOSH).
This was felt to lack clarity by some practioners. The government will not be altering the non-statutory guidance to describe where the legal trigger point