Does anyone have links for a lead soil testing lab? I live in Oakland California in an old house that certainly had/has lead paint. I'm concerned about possible lead levels in the backyard soil. ...
I'm pressure testing some PEX before I close in the walls. I pumped in 80psi of air around noon yesterday and it was about 60 degrees F. Was a solid 80psi from when i filled to to 11pm (11 hours). ...