CL:AIRE Technical Guidance


Version 1.1 of Petroleum Hydrocarbons in Groundwater, released in March 2017, includes several amendments to the original version (January 2017) and these are described in the Version Control Sheet in this pdf.


Version 1.1 of Professional Guidance: Comparing Soil Contamination Data with a Critical Concentration, released in February 2021, includes several minor amendments to the original version (September 2020) and these are described in the Version Control Sheet in this pdf.

Â