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27 August 1999 <br /> AGE-NC Project No. 99-0635 <br /> Page 2 of 4 <br /> 2.2. SOIL SAMPLE COLLECTION AND ANALYSIS <br /> AGE proposes to advance up to five soil probe borings at selected areas of potential environmental <br /> concern. The proposed soil probe boring locations are shown on Figure 2. As shown on Figure 2, <br /> two soil probe borings will be advanced near the former UST area; one probe boring will be <br /> advanced near the former clarifier area;one probe boring will be advanced near the southern portion <br /> of the property where a monitoring well was formerly located for the Union Ice facility; and one <br /> probe boring will be advanced along the western property line to determine if contamination from <br /> the Catellus Property has migrated to the subject site. <br /> Each soil probe boring will be advanced to a depth of approximately 15 feet below surface grade <br /> (bsg). Soil samples will be collected from each probe boring at five-foot intervals from ground <br /> surface to the total depth of the boring. Soil samples will be selected for laboratory analysis based <br /> on field observations of hydrocarbon staining and odor, as well as screening using an organic vapor <br /> meter(OVM). Field procedures for advancement of probe borings and collection of soil samples are <br /> presented in Sections 3.1 and Section 3.2, respectively. <br /> Selected soil samples will be analyzed by a California Department of Health Services (DHS)- <br /> certified laboratory for the following constituents: <br /> • Total petroleum hydrocarbons quantified as gasoline (Tph-g) by EPA Method 8015 <br /> Modified/5030; <br /> • Benzene, toluene, ethylbenzene, and total xylenes (BTEX) by EPA Method 8020; and <br /> • Fuel oxygenating compounds, including methyl tertiary-butyl ether (MTBE), ethyl tertiary <br /> butyl ether (ETBE), tertiary butanol (TBA), tertiary amyl methyl ether (TAME) and di- <br /> isopropyl alcohol (DIPE) by EPA Method 8260. <br /> Laboratory reports for soil analyses, testing methods, laboratory quality assurance/quality control <br /> (QA/QC) reports, and sample chain of custody documentation will be presented in a report with <br /> findings and recommendations. <br /> 2.3. GROUND WATER SAMPLE COLLECTION AND ANALYSIS <br /> Ground water samples will be collected from each probe boring. Ground water sample collection <br /> procedures are presented in Section 3.3. <br /> Selected groundwater samples will be analyzed by a DHS-certified laboratory for the folloNving <br /> constituents: <br /> Advanced GeoEnvironmental,Inc. <br />