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TRUESOAIL LABORATORIES, INC. <br /> i DEPENDENT TESTING,FORENSIC SCIENCE,AND ENVIRONMENTAL ANALYSES <br /> Established 1931 <br /> a <br /> 1 14201 FRANKLIN AVENUE <br /> REPORT TUSTIN CALIFORNIA 92780-7008 <br /> (714)730-6239 FAX(714)730-6462 <br /> ' www truesdad oom <br /> Del Mar Analytical Date April 29, 2002 <br /> 2825 Alton Parkway <br /> Irvine, CA 92606 Received April 11, 2002 <br /> Attn Jim Hatfield <br /> tLaboratory No 903657 <br /> 2 soils, ILD0444-02 and -03 , taken 4/9/02 <br /> ' Testing started 4/12/02 , completed 4/29/02 <br /> Hydrocarbon Utilizing Bacteria (Modified ASTM G-22) , Standard <br /> ' Plate Count (APHA, 18th Ed , 1993 , 9215B) <br /> ' RESULTS <br /> A 1 10 homogenate of the soils were prepared and diluted and <br /> Hydrocarbon Utilitizing Bacteria Counts (Most Probable Number <br /> [MPN) method using mineral salts broth (ASTM G-22) , incubated 13 <br /> days at room temperature, 2 parts diesel , 1 part Iso-octane and <br /> part hexanes used as carbon source) were conducted The results <br /> ' are given below <br /> Hydrocarbon Utilizing Heterotrophic <br /> Sample Designation Bacteria MPN per G) * Plate Count/G** <br /> ILD0444-02 10 11 <3** 200 <br /> ' ILD0444-03 10 45 <3 <50 <br /> * Most Probable Number/od 9 <br /> ' ** Colony Forming Units/rg� <br /> *** None Detected <br /> I 1 I <br /> Respectfully submitted, <br /> ' TRUESDAIL LABORATORIES, INC. <br /> 14v 6v <br /> G <br /> Karl W Schiller, M S <br /> ' Chief Microbiologist <br /> This report applied only to the sample,or samples,investigated and is not necessarily indicative of the quality or condition of apparently identical or <br /> similar products As a mutual protection to clients,the public,and these laboratories,this report is submitted and accepted for the exclusive use of <br /> the client to whom it is addressed and upon the condition that it is not to be used,in whole or in part,in any advertising or publicity matterwnthout prior <br /> written authorization fromthese laboratories <br />