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Red Creek Quarry Baseline <br />Surface Water and Groundwater Sampling and Analysis Pl an Section 3: Surface Water Monitoring 3-2 The surface water monitoring network at the RCQ comprises 3 surface water monitoring locations. The monitoring station identification number (ID), location descriptions, and monitoring frequency are provided in Table 3-2. The surface water monitoring locations are shown on Figure 5. Table 3-2. Surface Water Sampling Locations Monitoring Station Water Body Description Northing (meters) Easting (meters) Frequency SW-SEEP Seep Surface water seep location 4238095.46 504175.80 Quarterly SW-RC1 Red Creek Furthest upstream perennial location on Red Creek 4237916.51 504333.86 Quarterly SW-RC2 Red Creek Furthest downstream perennial location on Red Creek 4238983.29 505910.56 Quarterly Visual observations to document the presence of surface water along the ephemeral portions along Red Creek and tributaries will be conducted by photographing surface water observations stations identified during the wetlands delineation and site reconnaissance conducted in May of 2019. Visual observation locations are shown on Figure 5. 3.2 Surface Water Monitoring Schedule Surface water will be monitored quarterly for a minimum of five consecutive quarters. The actual dates of the monitoring will depend on weather and sampling location accessibility. Groundwater and surface water monitoring activities are anticipated to be conducted under the same quarterly monitoring event. 3.3 Surface Water Monitoring Procedures The surface water monitoring program will include the following items: • Measurement of field parameters: - pH - Temperature - Specific conductance (SC) - Oxidation-reduction potential (ORP) - Dissolved oxygen (DO) - Turbidity • Collection of water samples for laboratory analysis (see Section 3.3.2 below for further detail) Water quality samples will be collected prior to any measurement activities in the creek to avoid channel bottom disturbances that could affect the water chemistry. SOPs for surface water quality sampling and stream flow measurement are provided in Appendix C (SOP-7 and SOP-8, respectively) and the general methodology is summarized below. 3.3.1 Field Methods A general site inspection will be performed upon arrival at the monitoring station and comments regarding site conditions will be recorded in the field sampling record. Field parameters will be measured in the field and recorded on the field sampling record. An example of the field sampling record for surface water is included in Appendix C (SOP-7). Water Quality Field Instrumentation. The field parameter instruments will be rented from an environmental equipment company. Rented equipment will be checked to verify it is cleaned and