Laserfiche WebLink
- 19 November 1999 <br /> AGE-NC Project No. 99-0604 <br /> Page 5 of 10 <br /> Laboratory reports for ground water analyses,testing methods, laboratory quality assurance/quality <br /> _ control (QA/QC)reports, and sample chain of custody documentation will be presented in a report <br /> with the findings and recommendations. <br /> 3.4. MONITORING WELL INSTALLATION AND SAMPLING <br /> If the results of the initial soil and ground water assessment activities indicate significant petroleum <br /> hydrocarbon impact to ground water, four ground water monitoring wells will be installed at the site. <br /> Prior to installation of ground water monitoring wells, proposed locations for monitoring wells will <br /> be submitted to the PHS-EHD for approval. The proposed monitoring wells will provide repeatable <br /> sampling points for the monitoring of impact to ground water and allow determination of site- <br /> specific ground water flow direction. The procedures for monitoring well installation and collection <br /> of soil samples are presented in Section 4.3. and Section 4.1., respectively. <br /> 3.4.1. Permitting and Pre-Field Work Activities <br /> Prior to monitoring well installation, any applicable well permits will be obtained from the PHS- <br /> EHD. Prior to mobilization, each monitoring well location will be clearly r arked and a utility <br /> clearance obtained through Underground Service Alert. <br /> 3.4.2. Soil Sample Collection and Analysis <br /> During the drilling of the proposed monitoring well pilot borings, soil samples will be collected at <br /> five-foot intervals from 20 feet to total depth of the borings. Field procedures for the collection of <br /> _ soil samples are presented in Section 4.1. Selected soil samples from each from each pilot boring <br /> will be analyzed for TPH-d, TPH-mo, BTEX and/or RCRA metals following the methods presented <br /> in Section 3.2. <br /> Laboratory reports for ground water analyses, testing methods, laboratory quality assurance/quality <br /> control (QA/QC) reports, and sample chain of custody documentation will be presented in a report <br /> with the findings and recommendations. <br /> 3.4.3. Monitoring Well Installation and Development <br /> Following completion of the pilot borings, two-inch diameter monitoring wells will be installed in <br /> each of the borings. Ground water monitoring wells will consist of 20 feet of well screen section. <br /> Advanced GeoEnvironmental,Inc. <br />