Sampling at the site showed that the oil/water mixture that escaped from the containment area had coursed down the hill rather than penetrated into the soil to any significant depth. So, the consultant decided that it could “do a flush” rather than a “scrape”, which, more precisely, was passive and active surface flushing, rather than excavation and off-site disposal.
Read the full article in ES&E Magazine’s June/July issue below.
