Laserfiche WebLink
i <br /> I//E/// <br /> CAL jFOR�v-IA R G OVAL WATER QUALITY CONTROL BOARD <br /> 0 CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO 5-00-119 <br /> ATTACHMENT B TO GENERAL ORDER NO 5--00.119 <br /> FOR DISCHARGE TO SURFACE WATERS <br /> OF GROUND WATER FROM CLEANUP OF <br /> PETROLEUM FUEL POLLUTION <br /> IiNFLUENT MONITORL G <br /> Influent samples shall be collected representative of the volume and ne lact connection are the ture of`the wastesenterthetreatment <br /> or�collect�onsof <br /> influent samples should be <br /> a grab sample shall be recorded The following shall constitute the influent monitoring program <br /> Type of Sampling <br /> Constitgents Units Sample Fre uencv <br /> Total Petroleum Hydrocarbons mg/1 Grab MonthlyC( - $ <br /> sol ne, diesel, motor oil) Monthly <br /> ene µ;ll Grab Y <br /> µJl Grab Monthly <br /> Toluene Monthly <br /> Ethylbenzene Grab <br /> ll Gab Monthly <br /> Xylene(Total) µJ1 Monthly Tertiary Butyl Ether µg/1 Grab <br /> (MTBE)** Grab Monully <br /> Lead (total)* µ9n Monthly <br /> Methanol** µgll Grab <br /> Ethanal** µ9n Grab Monthly <br /> Tertiary Butyl Alcohol (TBA)** µg11 Grab Monthly <br /> Monthly <br /> Di-isopropyl ether (RIPE)** µo Grab Monthly <br /> Ethyl Tertiary Butyl Ether (ETRE)** µ9l1 Gab Monthly' <br /> Ternary Amyl Methyl Ether µ9n Grab <br /> (TAME)** <br /> fv I 4 7 F- A-S NO <br /> * If lead as not detected ul the first 2. sampling events,then testing maybe discontinued thereafter the monitoring well <br /> **If these constituents are not present in.any monitoring well or extraction well at the cleanup site, <br /> documentation maybe submitted in lieu of the mfluent monitoring for these eonsutuents Confirmation samples an an <br /> annual basis shall be submitted to verify the absence of these chemicals If three consecutive monthly influent sampling <br /> events result in non-detectable concentration, at appropriate detection Limits, then the sampling frequency shall be <br /> reduced to Quarterly If three consecutive quarterly sampling events results in non-detectable concentration, at <br /> anpropriate detection limits, then the sampling frequency shall be reduced to anmually If a detectable concentraataan 15 <br /> determined to be present in the wastewater the frequency will be monthly <br />