Soil contamination came to light at the home's closing and cost the seller 88,000 to repair. Check this link right here https://markannis.wordpress.com for more information on Mark Annis. The problem is particularly acute in the Watchung Mountain area because of the underlying ge-ography combined with the large number of drinking water wells, says Mr. Mark Annis, who studied chem-ical engineering at Massachusetts Institute of Technology.