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Section 3 Surveying and Sampling <br /> Table 3-1 <br /> Groundw Monitoring Program Summary(Field,Calculated,and Laboratory) <br /> Z Container 3 Hold Type of Sampling Reporting <br /> Constituent Units Preservative Sample Volume Type Method Time Sample Frequency Frequency <br /> Depth to Groundwater +/-0.01 NA NA NA NA NA Measurement Quarterly Quarterly <br /> Groundwater Elevation' +/-0.01 NA NA NA NA NA Calculated Quarterly Quarterly <br /> Gradient ft/ft NA NA NA NA NA Calculated Quarterly Quarterly <br /> Gradient Direction Degrees° NA NA NA NA NA Calculated Quarterly Quarterly <br /> pH pH Units Unpreserved 8 oz. Poly 150.1 NA Grab Quarterly Quarterly <br /> Nitrate as Nitrogen mg/L Unpreserved 16 oz. Poly 300.0 48 Hrs. Grab Quarterly Quarterly <br /> Total Kjeldahl Nitrogen mg/L H2SO4 16 oz. Poly 351.4 28 Days Grab Quarterly Quarterly <br /> Total Dissolved Solids mg/L Unpreserved 8 oz. Poly 160.1 7 Days Grab Quarterly Quarterly <br /> Total Coliform s SM 9221 <br /> MPN/100m1 NaZSZ03 100 ml Bacti. B/E <br /> Hrs. Grab Quarterly Quarterly <br /> Organisms B <br /> 16 oz.(HNO)/ <br /> Standard Minerals6 mg/L �HNO3/Unpreserved 16 oz. Poly ** *** Grab Quarterly' Quarterly' <br /> Un reserve <br /> 1. Groundwater elevation shall be determined based on depth-to-water measurements from a surveyed mea.uring point elevation on the well(north quadrant of the PVC well casing). <br /> 2. Actual sample volumes may vary between laboratories. The volumes listed should be viewed as approximate and confirmed with the analytic laboratory performing the analysis prior to sampling. <br /> 3. EPA and Standard Methods(SM)listed provide a basis for appropriate laboratory methodologies for the respective monitored parameters. New or revised methods or equivalent standard methods may be substituted for <br /> the methods listed should they provide similar precision and accuracy and as recommended by the analytic laboratory. <br /> 4. The Draft MRP indicates that the groundwater gradient direction should be reported as degrees. Although this approach may be generally acceptable for sites with only three wells,site specific hydrogeologic spatial <br /> variations in groundwater flow direction and even mounding may result in presentation of data in this format that is oversimplified and thus not accurately describing groundwater flow at the facility. Instead,a discussion <br /> of groundwater gradient direction across the facility may be substituted for reporting the gradient direction in degrees as specified in the Draft MRP. <br /> 5. MPNII00mI denotes Most Probable Number per 100 ml. <br /> 6. Standard minerals include at least the following compounds: boron,calcium,iron,magnesium,manganese,potassium,sodium,chloride,sulfate,total alkalinity(including alkalinity series),and hardness. <br /> 7. Standard minerals shall be monitored quarterly for the first eight sampling events;then the sampling and reporting frequency shall be reduced to annually. <br /> * HNOs for metals and hardness,no preservative for other analytes. <br /> ** EPA method 200.7 for boron,calcium,iron,magnesium,manganese,potassium,and sodium. EPA method 130.2 for hardness. EPA method 310.1 for alkalinity series. EPA method 300.0 for chloride and sulfate. <br /> "•"6 months for metals and hardness,14 days for alkalinity series,and 28 days for chloride and sulfate. <br /> NA Not Applicable <br /> Lockeiord CSD <br /> March 2006 <br /> 3.3 Groundwater Monitoring Well Installation Workplan <br />