Laserfiche WebLink
GeoStrategies Inc.: <br /> Unocal Cor oration' ' - <br /> s March 23, 1993 <br /> Page 2= <br /> :Ground-Water samples were collected on January "21 :1993. 'Samples. <br /> v were analyzed for-Totaf Petroleum Hydrocarbons calculated as Gasoline <br /> TPH-Gasoline), according to _EPA Method 80.1.5, for. Benzene, Toluene, <br /> Ethylbenzen.e, Xylenes (BTEX):.according-to;:EPA Method .8020;' and for <br /> Total Petroleum, calculated as Diesel(TPH.Diesel)according <br /> to. EPA method 3510 $The =ground-water samples were;-analyzed by - <br /> y ' - 'National 'Environmental Testing -(NET),Pacific; a-.Califorhia State-.certified <br /> laboratory located in Santa Rosa, California rThe .lab'oratory `analytical <br /> report and Chain-o:#-Custody:form.are-includod in.Appendix B._`TheseAata- <br /> are:summarized and included with the historical chemical analytical tlata. <br /> :presented .in-Table 2 A Achemical isocon.centration map,for benzene is <br />' = presented on .,:Plate 4;:. Groundwater sampling `'#reld rrmehods. :--and <br /> procedures are included'in a previous GSI`Tepor..t.dated :July 10, 1992.: <br /> = Planned SiteActivities <br /> 4 w GS.I will continue.groundwater-monitoring and sampling during tfie <br /> second quarter o 3. to, <br /> regularly scheduled <br /> analysis;.groundwater.sarnples from WellsU=5, ;U-:6 and.-U-9: will <br /> be -analyzed'for semivo atile'omanics--by EPA Method 8270 ,This. <br /> method should identify the probable-.,source- -of the' heavier <br /> hydrocarbons and ligh"ter hrdrocartfons ,reported in the diesel <br /> analyses <br /> .. _ <br /> • Fes. - . . <br /> -.: .784680=4'.. <br />