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John Yoakum [EH] From: Renlund, Kevin <Kevin.Renlund@arcadis-us.com> Sent: Thursday, December 13, 2012 2:42 PM To: John Yoakum [EH] Subject: RE: 16777 Howland Road, Lathrop, CA Attachments: Text 2012-09-13 Addendum Well Install Work Plan-Hy Test Rpt.pdf; 2012.11.09 RWQCB Approval Adden Well Install_Hydraulic Test rpt.pdf Thanks Johnny, All the current well specifications have been approved by the RWQCB. Attached is our workplan and approval letter. I may have been too optimistic about how early we'll be grouting, could you cancel the December 18th inspection? I'm hoping we will have our first grouting on December 19tH I'm not sure how long the drilling will take because of the depths of the wells, is it alright if I call you as we begin drilling and let you know our anticipated schedule? Thanks, Kevin From: John Yoakum [EH] [mailto:JYoakum(�i)sjcehd.com] Sent: Wednesday, December 12, 2012 08:40 To: Renlund, Kevin Subject: RE: 16777 Howland Road, Lathrop, CA Kevin, I have put you on my calendar for December 18, at 1:00. I have been to the site several times. The access is a little strange, but not difficult. As long as the board is ok with the changes, I will be ok with them too. Have you gotten approval from the board for the changes? As far as sonic verses hollow stem, I do not believe I had anything showing the type of drilling proposed, so this is no change to me. Johnny Yoakum Senior REHS San Joaquin County Environmental Health Department From: Renlund, Kevin [mai Ito:Kevin.RenlundCa)arcadis-us.com] Sent: Tuesday, December 11, 2012 3:04 PM To: John Yoakum [EH] Subject: RE: 16777 Howland Road, Lathrop, CA Hi Johnny, Can I tentatively schedule a grout inspection for 1:00pm on December 18tH? Also, have you been this particular site before? If you haven't let me know and I'll let you know some details about the facility access.