The Region - News from Feb. 6, 1986

Tests have begun on one possible method of purging groundwater of solvents seeping from the Stringfellow Acid Pits in Riverside County. In the tests, water will be pumped through an “air stripping tower,” a structure in which air is blown through the water to speed evaporation of some volatile chemicals, said a spokesman for the private contractor studying ways to clean up the closed dump.