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CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive, Atwater, CA 95301 Phone: (209) 384-2930 <br /> Certificate No. 2480 Fax: (209) 384-1507 <br /> Technicon Engineering Client Project ID: 180321 Sampled: 10-04-19 <br /> 4539 N. Brawley Ave. Suite 108 Lab Reference Number: 1910022 Received: 10-07.19 <br /> Fresno, CA 93722 Sample Description: Soil Extracted: 10-08-19 <br /> Attn: Steve Curra Sample Prep/Analysis Method: EPA 3550/80158 Analyzed: 10-08-19 <br /> Lab Numbers: 1910022 - 02, 03, 04 Reported: 10-16-19 <br /> TOTAL PETROLEUM HYDROCARBONS - DIESEL AND MOTOR OIL RANGE <br /> ANALYTE REPORTING LIMIT SAMPLE ID SAMPLE ID SAMPLE ID <br /> S1@9' S2@9' S3@9' <br /> (mg/kg) (mg/kg) (mg/kg) (mg/kg) <br /> DIESEL RANGE <br /> HYDROCARBONS 1 .0 2.0 1 .6 2.7 <br /> C10-C24 <br /> MOTOR OIL RANGE <br /> HYDROCARBONS 2.0 2.5 ND 4.5 <br /> C24-C40 <br /> Report Limit Multiplication Factor: 1 1 1 <br /> non-diesel non-diesel non-diesel <br /> pattern pattern pattern <br /> heavier heavier heavier <br /> hydrocarbons hydrocarbons hydrocarbons <br /> o-Terphenyl Surrogate Recovery: 98.9% 86.3% 105% <br /> Instrument ID: HP-Diesel HP-Diesel HP-Diesel <br /> Analytes reported as ND were not detected or below the Practical Quantitation Limit <br /> Practical Quantitation Limit = Reporting Limit x Report Limit Multiplication Factor <br /> Extraction Solvent - Methylene Chloride <br /> APPROVED BY: <br /> Clan J. Cone / Labors ory Director or <br /> Cassandra J.A. NanI y/ Chemist <br />