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' . <br /> - ENVIRONMENTAL 7�T HEALTH r���]K l��K��l��'�� <br /> � � � N �������l� � �� ����� � �� '�����0 ���l� � <br /> �% ��� ��� � ���7��� ����DT�����J <br /> �n �.������ � 'm <br /> o^���� �������"u» Unit Supervisors <br /> Donna l{'B«mm^R'B'D'S' ��4I�o»��Vc�cc��v�nun, ThirdF}onr C»dB»'Om«n'K�E85 <br /> Dorc/m� Mikc8u�ginsK�B l <br /> Al(�\sco`u.E.B.S. Stockton, California 95202-2708 DvuA|us`y.- 8 Wilson,' -`KD H.S.' <br /> 8»x' »/Alm»«r' Telephone: (200) 4hS-3420 Margaret 1,xgn,io.K£8.S. <br /> [»"'i'A.�v'mU^u`R.E.H.S.B'� <br /> ' Fux' (20g) 464-0l38RobertMC| U^n,D.6.H.9 <br /> . <br /> Po�nmum/vgo/ <br /> Mark Buod|oo.KZ.D.S. <br /> 88N � � �00�RUSSEL & 8 8OD8EB ___' _ _ <br /> 6333 PACIFIC AVE #383 <br /> 3TOCKTON CA 95207 <br /> RE: 10217 N. Highway 99 <br /> Stochton, CA <br /> On December 15, 2004, San Joaquin County Environmental Health Department (EHD) <br /> staff made oninspection ot the above referenced facility. At the time ofthe inspection <br /> EHD staff was informed that drug laboratory waste may have been placed in the septic <br /> system at the site. A "Notice To Abate"was issued requiring that the contents of the <br /> septic tank b8sampled and analyzed byacertified laboratory. C}nDecember 20. 2OO4. <br /> FGL Environmental Laboratory collected o sample from the septic tank. The analytical <br /> results showed that disposal of chemicals (acetone, 1,4-Dichlorobenzene, toluene and <br /> total petroleum hydrocarbons) into the septic system had occurred. San Joaquin County <br /> Ordinance Code Section 9-1110.7prohibits disposal cf solvents and toxics inaseptic <br /> system. <br /> EHO has implemented a Local Agency Groundwater Pnotection/Underground Injection <br /> Control /U|{}) ProQnarninaccordance xvithguidelines prepared bythe United States <br /> Environmental Protection Agency (USEPA). The primary focus of the program is to <br /> protect drinking water by identification and evaluation of subsurface disposal of <br /> prohibited substances. The presence ofthe above noted chemicals inyour septic tank <br /> makes it subject tOthe underground injection Dontro| regu|aUonoandour |oo8| pnogr8rn. <br /> The above referenced property has been placed on the EHD list of UIC sites and will <br /> remain anopen case until the proper investigation has been conducted. Activities <br /> involving site assessment require 8professional level ofexpertise. Work and reports <br /> related to closure of this case must be signed by a California registered geologist /R.G.\ <br /> orprofessional engineer (P.E.). <br /> EHD requires further investigation to determine whether the chemicals found in the <br /> septic tanks flowed into the soil from the leach lines and/or seepage pits of the septic ' <br /> system. This will help EH[) evaluate if there is a threat to drinking water. If CharniCa|a <br /> have been released to the subsurface from the leach lines and/or seepage pits, <br /> continued use of the septic system may cause further percolation of the chemicals, <br /> thereby increasing the threat of chemical contamination of the groundwater. <br /> Further site investigation would normally require collection of soil samples from beneath <br /> the tanks and leach lines. The soil samples would beanalyzed byacertified laboratory <br /> for Volatile Organics using EPA Method 8200,Total Pe1[O|aurn Hydrocarbons (TPH) as <br /> gasoline using EPA Methods 5D30/8O15and TPH as diesel using EPA Methods <br /> 351O/OO15. <br />