Property evaluation for housing site
targeted for construction of 25 housing units
site had been part of industry landholding - no details on any buildings/land use
preliminary work: 4 boreholes - found fill (sand, gravel, cinders, slag) underlain by clay. No soil contamination found
Follow up: EM31 survey w. 3 m spacing 800 data points, 1/2 cost of borehole survey
Further excavations: located organic contaminants + major debris