some people in that town has been dumping oil, transmission fluid, hydrolic fluid & lots of other stuff on the ground there for years. that is being washed down to your yard your neighbors yard where your kids play. there is already enough health problems we all face. im not talking about just his personal vehicles he has worked on cars at what use to be his shop for years,til it or part of it burnt awhile back. think about where your kids have played lately whats really in that ground they are playing on