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CHARGE IN THE NORMAL SENSE OF THE WORD, THEY DO CONSTITUTE A WASTE, EVEN THOUGH THEY <br /> ARE CAUSED UNINTENTIONALLY. <br /> DEPUTY ATTORNEY GENERAL JAMES SANDERSON HAS VERBALLY EXPRESSED THE OPINION THAT <br /> THE BOARD MAY LEGALLY CONTROL THE CREOSOTE SLICKS CAUSED BY THE RAFTING OF THE LOGS. <br /> IN THE WAY OF ESTABLISHED PRECEDENT, THE RAFTING OF THESE LOGS IN MORMON SLOUGH <br /> IS SIMILAR TO THE USE OF LOG PONDS TO STORE AND TRANSPORT LOGS AT SAWMILLS. THE <br /> BOARD HAS ESTABLISHED REQUIREMENTS ON THE LOG PONDS OF NUMEROUS SAWMILLS. <br /> SUMMARY <br /> THE MCCORMICK & BAXTER CREOSOTING COMPANY OF STOCKTON IS LOCATED ON MORMON SLOUGH <br /> AND USES THE SLOUGH TO TRANSPORT CREOSOTE TREATED LOGS BY WAY OF LOG RAFTS. CREOSOTE <br /> SLICKS HAVE BEEN NOTICED FROM TIME TO TIME ON MORMON SLOUGH AS A RESULT OF THE LOG <br /> RAFTS, <br /> MORMON SLOUGH IS A TIDAL BODY OF WATER USED FOR FISHING' NAVIGATION, INDUSTRIAL <br /> USE, AND WASTE DISPOSAL. <br /> ANALYSIS OF 9 WATER AND MUD SAMPLES TAKEN IN THE AREA REVEALED INSIGNIFICANT CON— <br /> CENTRATIONS OF PHENOL, HEXAVALENT CHROMIUM, ARSENIC, AND ZINC. OILS WERE HEAVILY <br /> CONCENTRATED IN THE BOTTOM MUDS, AND RELATIVELY HIGH CONCENTRATIONS OF COPPER WERE <br /> FOUND. HARMFUL EFFECTS ON FISH AND AQUATIC LIFE HAVE NOT BEEN DEMONSTRATED. <br /> CONCLUSIONS <br /> 1 . THE PRINCIPAL UNDESIRABLE EFFECT OF THE CREOSOTE LOG RAFTS APPEARS TO BE THE <br /> UNSIGHTLINESS OF THE IRIDESCENT FILM CAUSED BY CREOSOTE WASHING OFF THE LOGS. <br /> 2. THE RELATIVELY HEAVY CONCENTRATIONS OF OIL OR CREOSOTE IN THE BOTTOM MUDS OF <br /> MORMON SLOUGH MAY REDUCE THE FOOD SUPPLY FOR BOTTOM FEEDING FISH, OR MAY TAINT <br /> THE FLESH OF THESE FISH. <br /> 3. CONCENTRATIONS OF COPPER IN MORMON SLOUGH WATERS, ALTHOUGH MANY TIMES HIGHER <br /> THAN OTHER DELTA WATERS, DO NOT APPEAR TO UNREASONABLY DAMAGE THE FISHERY. <br /> 4. THE CENTRAL VALLEY REGIONAL WATER QUALITY CONTROL BOARD MAY LEGALLY CONTROL ANY <br /> UNDESIRABLE EFFECTS FROM THE LOG RAFTING PRACTICE UNDER THEIR PREVIOUSLY ESTAB— <br /> LISHED WASTE DISCHARGE REQUIREMENTS. <br /> ANY STRICT LIMITATION ON THE IRIDESCENT FILMS IN MORMON SLOUGH WOULD ESSENTIALLY <br /> ELIMINATE ITS USE FOR RAFTING OF THE LOGS, <br /> RECOMMENDATIONS <br /> IT IS RECOMMENDED THAT ROUTINE SURVEILLANCE OF THE MCCORMICK He BAXTER CREOSOTING <br /> COMPANY CONTINUE AS IN THE PAST, AND THAT ANY UNDESIRABLE EFFECTS OF THE LOG RAFTS <br /> BE TREATED THE SAME AS THEIR WASTE DISCHARGE. ABATEMENT ACTION DOES NOT APPEAR TO <br /> BE WARRANTED AT THIS TIME. <br /> 9/2O/65 BRB <br />