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508 Charter W ay . • Page 1 of 2 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Thursday, January 03, 2008 9:13 AM <br /> To: 'Myers, Tonya' <br /> Subject: RE: 508 Charter Way <br /> Tonya: <br /> The extended days sound fine with me. Although I have a mandatory meeting scheduled for the afternoon of <br /> January 24th, I will add January 24th and 25th to my calendar to be at this site. <br /> Concerning your question about using Schedule 40 versus Schedule 80 PVC casing,the work plan submitted by <br /> ARCADIS indicates that Schedule 80 casing will be used so I would like to follow the work plan and use Schedule <br /> 80 casing. <br /> When I talked to Mike Infurna he explained that Type V Portland cement sets in 6 hours and the heat generated <br /> by the cement can cause the Schedule 40 casing to melt. Mike also mentioned that it is very important that the <br /> drillers use two-inch centralizers when installing the conductor casing to guarantee that there is at least two <br /> inches between the outside of the conductor casing and the inside of the borehole. <br /> What time do you plan to begin drilling on January 14th? <br /> Vicki McCartney,Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton,CA 95202 <br /> Phone: (209)468-9852 <br /> Fax: (209)468-3433 <br /> E-mail: vmccartney@sjcehd.com <br /> From: Myers, Tonya [mailto:Tonya.Myers@arcadis-us.com] <br /> Sent: Thursday, January 03, 2008 7:03 AM <br /> To: Vicki McCartney [EH] <br /> Subject: RE: 508 Charter Way <br /> Good morning Vicki, <br /> I think that the field work will extend until January 25th, I was shooting for an end date of 1/23 but based on <br /> past field experience I doubt it will happen. Can we see how the drilling goes the week of January 14th <br /> and maybe we can set some well boxes on 1/21/08. We will begin hand clearing the locations on Monday, <br /> January 7th and will begin drilling on Monday, January 14th. <br /> Thank you <br /> Tonya <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Monday, December 31, 2007 8:57 AM <br /> To: Myers, Tonya <br /> 1/3/2008 <br />