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In early May, 2004 High Tech Enterprises was contracted by the St. Francis Motel to clear Room 108. On May 5, 2004 Mr. Edward Finucane reportedly used a pair of calibrated ambient air analyzers and other field instruments to determine if any area of acidic or basic residues existed in the motel room. The instruments were reportedly capable of detecting and quantifying low concentration levels (0.1 to 0.01 ppmv) of volatile solvents commonly used in the manufacture of illicit drugs. Acetone, dichloromethane, isopropanol, methanol, toluene, chloroform and 1,1,1- trichloroethane were reportedly found to not be present. No description of the instrumentation or calibration records were provided by High Tech Enterprises. The findings of the onsite investigation by High Tech Enterprises were submitted to SJCEHD in a letter report dated May 6, 2004. A recommendation by High Tech Enterprises was made to allow the human reoccupancy of Room#108. On May 5, 2004, either the property owner or High Tech Enterprises had the septic tank that receives liquid waste from Room#108 opened by a local septic system contractor(Figure 4). After the septic tank was opened up GeoAnalytical Laboratories reportedly collected a liquid sample from the septic system on May 5, 2004. No personnel from SJCEHD were notified prior to the septic system exposure and water sampling event. Consequently, all work was unsupervised by SJCEHD personnel. Geoanalytical Laboratories analyzed the sample for: (1) pH using USEPA Test Method 150.1 ; (2) iodine using USEPA Test Method SM4500-I B; (3) Iodide using USEPA Test Method 345.1; (4) chlorides using USEPA Test Method 300.0 and (5) organic volatile compounds using USEPA Test Method 8260B. The following constituents were reported to be present from GeoAnalytical Laboratories Report #Q126-09 from the Septic Tank sample. Analyte Method Reporting Limit Analytical Result Iodide USEPA 345.1 2.0 mg/1 Below analytical detection limit Iodine USEPA SM4500-I B 0.5 mg/1 Below analytical detection limit pH USEPA 150.1 NA 7.0 Chloride USEPA 300.0 1.0 mg/1 120 mg/1 A full-scan USEPA Test Method 8260B analysis of the Septic Tank liquid sample had the following constituents reported to be present: Analyte Reporting Limit Analytical Result 1,4 Dichlorobenzene 1.0 µg/1 28 µg/1 Toluene 1.0 µg/l 117 µg/1 2-Butanone (MEK) 1.0 µg/1 16 pg/I 2-Propanone (acetone) 1.0 µg/1 35 pg/1 p-Isopropyltoluene 1.0 µg/1 37 µg/I Main\D\Environmental\St.FrancisMotel\Workplan05l305.vipd 3