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10 <br />To follow up on the voicemail I just left you, I want to reiterate that we received your 3/18/2018 email notification that <br />the contractor determined the site was dry enough to proceed with cap soil removal on 3/19/2018. <br />Regional Water Board is concerned that all the rain that has been forecast and continues to fall is going to make things <br />messy for the excavation and can create a problem with contaminant migration, etc, if soil is saturated, or if there is <br />standing water. Staff expects implementation of best management practices to prevent soil, silt, waste, and COCs from <br />leaving the excavation area during wet weather conditions. <br />Please provide: <br />1. an update on excavation activities, <br />2. pictures of the excavation area and implemented wet weather mitigation measures, and <br />3. an estimated schedule of field activities. <br />Thank You, <br />Ann M. Palmer <br />Water Resource Control Engineer <br />Site Cleanup Section <br />(916) 464-4825 <br />Ann.Palmer@waterboards.ca.gov <br />Central Valley Water Board <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, CA. 95670 <br />