Two things you must explain ...
Published by AJAY KAWALE, PROJECT ASSISTANT at CSIR-NEERI
Two things you must explain
1) which kind of contaminants are there (chemical tests)?
2) area of trench and nature of gravel?
1 Comment
This is in the UK
The contaminants are likely to be Fuel, the trench is dependent upon the volume we have to accommodate this could range from 2n -200m
300mm wide and 1.5m deep, infilled with 20mm washed gravel
Published by Frank ODonnell