Board Orders, technical reports, and other documents related to perchlorate pollution in the Santa Ana Region are available electronically and can be found at the GeoTracker website (link to: GeoTracker (ca.gov)). Additionally, files are available for review at the Regional Board offices in Riverside. If you have any questions or need additional information please Eric Lindberg at (951) 782-3219 or FileReview8@waterboards.ca.gov