Tonight at 11 p.m. on KOMO 4 News
Then there's this paste, called flux, - used to help connect copper pipes. Multiple sources tell us it was used at both the Airport and at Meridian High. While its rating meets national standards for drinking water, both Wilms and Daniels say it does not meet plumbing code for drinking water systems because of its corrosiveness. WATCH the full investigation, tonight at 11 p.m. on KOMO 4 News.