Laserfiche WebLink
Page 7 <br /> Mr Michael Infurna Jr,Senior REHS <br /> September 24,2001 <br /> the bottom The annular space will be filled with a sand pack placed from the <br /> bottom of the well to about 3 feet above the air diffuser, about 3 feet of bentonite <br /> pellets placed over the sand pack, and a cement grout tremied from the top of the <br />' bentonite to the ground surface The well will be protected by a steel cover <br /> The soil vapor extraction well (SP-1) will be auger drilled to a depth of about 25 <br /> feet The well will consist of a 4-inch diameter PVC screen slotted from 5 feet to <br /> 25 feet Annular sand pack will be placed from the bottom of the well to about 4 <br /> feet below ground surface The remaining annular space will be sealed with grout <br /> and protected by a steel cover <br /> Soil samples for chemical analysis are not proposed for VW-1 and SP-1 Soil <br /> cuttings from these borings will be placed in drums, which will be sealed and <br /> temporarily stored on-site for proper disposal <br /> CLOSING <br /> Following County approval of this workplan, PSC will initiate activities to secure <br /> necessary permits PSC will also seek pre-approval of costs for this work from the <br /> Underground Storage Tank Cleanup Fund <br /> 1 <br /> If you have questions regarding this workplan or desire additional information, <br /> please call me at (618) 281-1547 <br /> Sincerely yours, <br /> 1 PHILIP SERVICES CORP <br />' Mark F Milward <br /> Senior Geological Engineer <br /> /mm12001 WORULAN <br /> Attachment 1 Figures <br /> 2 Tables <br /> cc Theresa Lanctot—Sara Lee Bakery Group, Inc <br /> r <br />