Laserfiche WebLink
Brown and Caldwell <br /> B-CConsultants <br /> LNVIRot4l, ,EINTAL HEALTH <br /> 723 S Street pr-- r,E. <br /> 5aramernO <br /> Caldomia•! (916)44;80123 7092 93 SEP 13 <br /> Pr1 1: <br /> 10 <br /> FAX f9 t 6}444-8437 I i <br /> September 3 1993 <br /> Mr Chuck Carmel <br /> ARCO Products Company <br /> Post Otfice Box 5811 <br /> San Mateo, California 94402 017-7453-01/1 <br /> Subject Second 1993 Quarterly Report for ARCO Station 2133, <br /> .2908 Benjamin Holt Drive, Stockton, California <br /> Dear Mr Carmel <br /> This report presents water level measurements and results of groundwater sampling performed <br /> during the second quarter of 1993 at ARCO Products Company (ARCO) Station 2133 located <br /> at 2908 Benjamin Holt Drive in Stockton, California The sampling was performed on <br /> April 29, 1993, by Emcon and Associates (Emcon) This report was prepared under Task <br /> Order 2133-93-5 There are fifteen on-site wells E-2 through E-12, PR-1, PR-2, BHD-1, and <br /> BHD-2 (Figure 1) All the wells were sampled <br /> Field and Analytical Methods <br /> Emcon personnel measured depth-to-water, supervised purging of each well, and collected <br /> groundwater samples at the site A copy of Emcon's field notes is included as Exhibit A. <br /> The purge water generated during this sampling event was temporarily stored on site in <br /> 55-gallon barrels then transported off site by Balch Petroleum Company <br /> All groundwater samples were analyzed for total petroleum hydrocarbons as gasoline (TPH-G) <br /> and benzene, toluene, ethylbenzene, and xylenes (BTEX) by Modified U S Environmental <br /> Protection Agency Methods 5030/8020/DHS LUFT Method <br /> Results <br /> Table 1 (Exhibit B) presents the water-level data for this site while Table 2 (Exhibit C) <br /> summarizes historical groundwater flow direction and gradient data for this site Figure 1 <br /> shows the water-level elevations for each well and the contours of equal water-level elevation <br /> for April 29, 1993 <br /> This report was prepared in accordance with the standards of the environmental consulting industry at the time it was <br /> prepared It should not be relied upon by parties other than those for whom it was prepared, and then only to the <br /> extent of the scope of work which was authorized This report does not guarantee that anv additional environmental <br /> conditions beyond that described in this report exist at this site <br /> 7453\REPORTS\2ND93QTR RFr <br />