Roberto Pinon, P.Eng., P.E.

Tag: soil gas

Soil and Soil Gas Investigation, San Fernando Valley, California

Mar 15, 2012

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by

Roberto Piñón, P.Eng., P.E.

in All Posts, Investigation, Projects

When seven production wells operated by a Southern California water purveyor reported concentrations of hexavalent chromium and perchlorate above regulatory limits for drinking water, a multiagency effort was conducted to identify the sources.