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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2003-0044 -8- <br /> GENERAL ORDER FOR LAND DISPOSAL <br /> OF GROUNDWATER OR SURFACE WATER <br /> FROM CLEANUP OF PETROLEUM FUEL POLLUTION <br /> Daily 30-Day Daily <br /> Constituents Units Median Maximum <br /> Naphthalene µg/l <5.0 21 <br /> Carcinogenic PAHs* µg/l <0.5 <0.5 <br /> MtBE plus other <br /> ether oxygenates** µg/1 <0.5 5 <br /> Tertiary Butyl Alcohol µg/l <5.0*** 12*** <br /> Methanol µg/l <50 <br /> Ethanol µg/l <5.0 <br /> 1,2-Dichloroethane µg/l <0.5 <0.5 <br /> (1,2-DCA) <br /> 1,2-Dibroxnoethane — µg11 <0.5 <0.5 <br /> (EDB) <br /> Lead µg/l 2 2 <br /> * Polynuclear Aromatic Hydrocarbons; the sum of benzo[a]pyrene, benz[alanthracene, benzo[b]flaoranthene, <br /> benzoU]fluoranthene, benzo[Ic]fluoranthene, dibenz[a,j]acridine, dibenz[a,hjacridine, 7H-dibenzo[c,g]carbazole, <br /> dibenzo[a,e]pyrene,dibenzo[a,h]pyrene,dibenzo[a,i]pyrene,dibenzo[a,l]pyrene,indenol[l,2,3-c,d]pyrene, <br /> 5-methy1chrysene, 1-nitropyrene,4-nitropyrene, 1,6-dinitropyrene, 1,8-dinitropyrene,6-nitrocrysene, <br /> 2-nitrofluorenc and chrysene. <br /> ** The limit applies to each individual oxygenate compound. <br /> ***Due to current technological and economic dynamics for these constituents,site specific approval will be issued for <br /> these constituents. Limitations to be determined by Regional Board staff upon review of each submitted Report of <br /> Waste Discharge. Appropriate limitations will be set in the Executive Officer's"Notice of Applicability"letter. <br /> Note: 1)Constituent quantitation(or reporting) limits are to be sufficient to identify a violation to the above <br /> listed effluent limits andlor those specified in the applicable"Notice of Applicability"issued by the <br /> Executive Officer. <br /> 2)All detection and quantitation limits must be reported with the analytical results. <br /> 3) Published literature for Total Petroleum Hydrocarbons as gasoline <br /> provides a taste and odor threshold of 5 ug/1 which is applied to the <br /> narrative Taste and odor objective of the Basin Plan, but detection is 50 <br /> lig/l and is controlling. <br /> 2. The discharge of lead must comply with the above listed limitation unless the <br /> Discharger can demonstrate that higher concentrations are a result of naturally <br /> occurring background concentrations contained in the source water being treated. <br /> Background concentrations may be defined by using the methodology described in <br /> Title 27 CCR Section 20415, <br /> 3. The discharge shall not have a pH of less than 6.5 nor greater than 8.5. <br /> 4. The discharge shall remain within the designated disposal area at all times. <br /> D. SOLIDS DISPOSAL <br /> Collected screenings, sludges, and other solids removed from the treated groundwater, or <br /> generated as the result of groundwater treatment, shall be disposed of in a manner that is <br />