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Red Creek Quarry Baseline Water Investigation Table of Contents <br /> <br /> <br />vi <br />DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the end of this docu ment. <br />Red Creek Quarry Baseline Water Information 20230907 <br />List of Abbreviations <br />BC Brown and Caldwell <br />bgs below ground surface <br />cfs cubic feet per second <br />cm/H20 centimeters of water <br />DO dissolved oxygen <br />EC existing conditions <br />EPA United States Environmental Protection Agency <br />DRMS Division of Reclamation, Mining, & Safety <br />gpd gallons per day <br />gph gallons per hours <br />Holcim Holcim (US), Inc. <br />LCSs laboratory control samples <br />LCSDs laboratory control sample duplicates <br />L Liter <br />meq/L milliequivalents per Liter <br />%meq/L percent milliequivalents per Liter <br />MPO mine plan operations <br />MSs matrix spikes <br />MSDs matrix spike duplicates <br />ORP oxidation reduction potential <br />PCBs polychlorinated biphenyls <br />PVC polyvinylchloride <br />QA/QC quality assurance/quality control <br />QAPP Quality Assurance Project Plan <br />RCQ Red Creek Quarry <br />RPD relative percent difference <br />SAP Sampling and Analysis Plan <br />SC specific conductance <br />SOPs standard operating procedures <br />TDS total dissolved solids <br />TSS total dissolved solids <br />TOC top of casing <br />USACE United States Army Corps of Engineers <br />USGS United States Geological Survey <br />WQCC Water Quality Control Commission <br />