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PUBLI�` HEALTH SEACES oPo�,N <br /> SAN JOAQUIN COUNTY <br /> 1 <br /> Joel KHANNA \1D­\1.P H <br /> Health Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton, California 95201 ogOiE6,0`P <br /> (209) 468-3400 <br /> RINDAHL DRILLING L <br /> P o sox 108 � °� ©EC 10 1991 <br /> CORNING CA 96021 <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division staff recently discussed with you the use of a concrete <br /> pumper who may have had diesel residue on the pumping equipment at <br /> a job site for the installation of grout around an extraction well. <br /> The operator stated the pump equipment had been steam cleaned after <br /> previous diesel application. It is our opinion that steam cleaning <br /> would not be effective in removing diesel from equipment. The use <br /> of equipment which may introduce contaminants into a well is <br /> prohibited by the following legislation, regulating standards, and <br /> ordinances: <br /> 1. Porter-Cologne Water Quality control Act; Article 4, <br /> Section 13271, Subsection (a) . <br /> 2 . California Underground Storage Tank Regulations; Section <br /> 2645, Subsection (e) and Section 2648, Subsections (a) , <br /> (c) , and (d) . <br /> 3 . California Well Standards Bulletin 74-81; Part I, Section <br /> 9, Subsection (d) ; and Part II, Section 8, <br /> Subsection (c) . <br /> 4 . San Joaquin County Well Ordinance 1862, Rules and <br /> Regulations; Section III, Subsection A. <br /> Other methods and products are available which would provide <br /> equipment with similar protection without introducing contaminants. <br /> In the future please ensure subcontractors use equipment in <br /> compliance with the above outlined standards and statutes. <br /> If you have any questions call Margaret Lagorio, Senior REHS, at <br /> (209) 468-3449. <br /> Jogi n a, M.D. , M.P.H. <br /> Healt ficer C�� � <br /> aurie A. Co ufla, REHS, Program Manager <br /> /Environmental Health Division <br /> / LAC/ML: lb <br /> JJl <br /> C. Fred Goldsberry, 320 S. Gertrude, Stockton, CA 95215 <br /> A Division of Sun Joaquin Counry Health Care Services 0 <br />