http://www.tceq.texas.gov A collection of photos from the Precision Machine & Supply state Superfund site. daily 1 2011-08-17T01:01:35Z http://www.tceq.texas.gov/remediation/superfund/photo_gallery/precision/photo11 Extraction wells pump chromium-contaminated water from the center of the underground plume to the water treatment plant. After the chromium has been filtered out, the cleaned water is sent to wells at the edge of the plume and injected to force the chromium to flow back from the edge to the center. No publisher Robin Maiorisi 2011-08-26T19:55:00Z Image