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SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> 600 E Main Street Stockton • CA 95202 <br /> (209)468-3420 •Fax:(209) 464-0138 a Web:www.siaov.oro/ehd <br /> EMERGENCY RESPONSE INVESTIGATION REPORT:(INCLUDE CHRONOLOGICAL HISTORY RECOMMENDATIONS CLEANUP am FINAL DISPOSITION) <br /> JUNE 22, 2010 0915 <br /> ARRIVED ONSITE TO CONDUCT A ROUTINE HAZARDOUS WASTE INSPECTION REPORT AND NOTICED THE <br /> SPILL. MET WITH ROGER HOFFDAHL WITH CORN PRODUCTS WHO MADE ALL OF THE REQUIRED <br /> NOTIFICATIONS WHILE ONSITE. THE DELIVERY DRIVER WAS OFFLOADING A WATER TREATMENT CHEMICAL <br /> WITH A PH 1.8 (TRACER)WHEN A COUPLING CAME LOOSE ON THE HOSE SPILLING AFFIX. 5-10 GALLONS OF <br /> THE LIQUID ONTO THE ASPHALT. PERSONELL ONSITE PROVIDED THE DRIVER WITH SODA ASH TO <br /> NEUTRALIZE AND CONTAIN THE SPILL. THE DELIVERY COMPANY, NALCO, DISPATCHED A HAZARDOUS <br /> WASTE CLEAN UP COMPANY FROM OAKLAND TO CLEAN UP THE SPILL. THEY ARRIVED ONSITE AT 1305 AND <br /> PLACED ABSORBENT ON THE SPILL AREA. THEY SWEPT UP THE WASTE ABSORBENT AND PLACED IN A <br /> CONTAINER THAT WAS LABELED AND LEFT ONSITE FOR THE FACILITY TO DISPOSE OF AT A LATER DATE. <br /> CLEAN UP CONTRACTOR LEFT THE SCENE AT 1450. TOOK PHOTOS OF THE SPILL BEFORE AND AFTER <br /> CLEAN UP. ALL OF THE SPILL WAS ON ASPHALT, NO STORMWATER DRAINS WERE REACHED. THE FACILITY <br /> WILL FORWARD A COPY OF THE HAZARDOUS WASTE MANIFEST WHEN AVAILABLE. CALEMA SPILL REPORT <br /> NUMBER 10-3785. LEFT THE SCENE AT 1500. 1 HAD CONDUCTED MY HAZARDOUS WASTE INSPECTION <br /> DURING THE TIME WHEN WE WERE WAITING FOR THE CLEAN UP COMPANY TO ARRIVE. <br /> 4 4z wbp cam/}- b i s)of +t- -C-�'Av +-eS44"- 44"p, uN <br /> � 1� l ( 6 - OZ e�s+� dal�v� � �,cp'�- c�-i a� h►e6�-�- <br /> r,e6a1p� <br /> ER RECORD 06/01/10 <br /> Page 3 <br />