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Ms. Vicki Goodenow - 2 - 8 April 2010 <br /> NuStar Terminals Stockton Facilit <br /> Our comments are presented below. <br /> 1. We concur with the monitoring well installation and sampling plans proposed in the Work <br /> Plan. However, Page 4 of the Work Plan identifies one of the monitoring wells as ACA-31D <br /> while Figure 2 identifies the well as ACA-4D. Based on previous boring and shallower zone <br /> naming conventions, we assume that the correct name for this well will be ACA-3D. <br /> 2. The installation and sampling of the proposed D-zone wells might not accomplish vertical <br /> delineation of the plume at this Site. The need for vertical delineation must be resolved as <br /> further investigation and remedial strategies for the Site are formulated. <br /> By 1 August 2010, please submit the well installation report and sampling results of <br /> monitoring wells ACA-3D and ACA-5D. <br /> If you have any questions regarding this letter, you may contact me at (916) 464-4811 or <br /> beta for waterboards.ca_ ov. <br /> BRIAN T'�YLOR, P.G. <br /> Engineering Geologist <br /> cc: Ms. Adrienne Ellsaesser, San Joaquin County Environmental Health Dept., Stockton <br /> Ms. Rita Koehnen, Port of Stockton, Stockton <br /> Mr. Joe Aldridge, NuStar Energy L.P, San Antonio Texas <br /> Mr. Paul Supple, Atlantic Richfield Company, San Ramon, CA <br /> Ms. Amanda Spencer, Ash Creek Associates, Inc., Portland, OR <br /> Mr. Jeremy Hughes, LFR, Roseville <br /> Mr. Rusty Benkosky, Stantec Consulting Corporation, Rancho Cordova <br />