ARCHIVED REPORTS_XR0003684 - Laserfiche WebLink

Home Browse Search

In January 2001, video and cement-bond logs were collected on the wells located at 17950, 17926, 17904, 17933 and 17886 Airport Way The total depths of the wells ranged from 46-feet bgs to 84-feet bgs With the exception of the irrigation well located at 17886 Airport Way, no slots were visible in the well casings, and water appeared to enter most of these wells through an open hole beneath the bottom of the casings With the exception of the well located at 17933 Airport Way, all of the wells appeared to have at least some form of a cement seal 3 . 0 SCOPE OF WORK (SOW) Based on the requirements outlined in the November 30, 2000 letter from the San Joaquin County PHS-EHD, the following was the proposed scope of work for this phase of the protect 1) Obtain the necessary drilling permit from San Joaquin County PHS- EHD 2) Obtain any necessary access agreements and encroachment permits . to conduct the drilling 3) Drill soil borings in 10 locations using a loose transect approach with a grid layout of approximately 400-feet by 400-feet 4) At each location, an initial boring was drilled to depth for the collection of lithologic and hydrogeologic information A second boring was then drilled in each location for the collection of water and/or soil samples 5) Collect discrete groundwater samples from each unit of high permeability 6) Analyze each groundwater sample described in task 5 at a state certified analytical laboratory for TPH-D by EPA Method 8015, a n d TPH-G, BTEX, seven oxygenates (including ethanol and methanol), the lead scavengers 1,2-DCA and 1,2-dibromoethane (1,2-EDB), and 1 ,2- DCP by EPA Method 8260 7) In at least one boring, ASE was to collect a soil sample from each significantly different unit and submit these samples to a • Franks One Stop Report — March 2001 -9-