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Project 16
Environmental Services
California State Parks Empire Mine Historic Park
Grass Valley, California
 The Empire Mine State Historic Park (Empire Mine) site is undergoing investigation and remediation for metals contamination from
historic mining practices.
The goal is to preserve the historical and natural resources at the Empire Mine for current and future generations while remediating chemical hazards.
Burleson completed several task orders for California Department of Parks and Recreation (DPR) at the Empire Mine in Grass Valley, California. The tasks included:
 Biological and Cultural Monitoring during Summer 2007
Remediation and Construction Projects at the Red Dirt Pile;
Prepare and Submit the 2006-2007 Annual State Storm Water
Report for Industrial Activities;
Update the facility Storm Water Pollution Prevention Plan; and
Prepare Monthly Status Reports for the National Pollutant
Discharge Elimination System (NPDES) Report of Waste
Discharge from the Magenta Drain Portal effluent.
Burleson conducted the
2007 biological and
cultural surveys for
endangered and special-
status plant and wildlife
species prior to removal
of trees construction of a
cap at the Red Dirt Pile. Burleson also provided training and on-going biological and cultural monitoring during the 3-month duration of construction.
Burleson prepared the monthly NPDES self monitoring reports for the Magenta Drain Tunnel portal discharge, a point source regulated by Waste Discharge Requirements (WDRs) issued in 2006. The monthly report included an evaluation and discussion of the monthly analytical data and weekly field measurements collected from the discharge point and two background (receiving water) locations as compared to the permit effluent limits. Burleson prepared the Annual Storm Water Report for the 2006-2007 seasons. Storm water from areas of concern flows to Little Wolf Creek. This task included compiling and reporting the 2006-2007 year-long monthly storm water analytical data and visual observations from 35 sample locations, conducting a review of the Industrial Storm Water Pollution Prevention Plan (SWPPP) for revisions, and evaluating the effectiveness of the current Best Management Plans (BMPs) for controlling pollution in the storm water flows. Burleson also prepared the 2007-2008 SWPPP, added sample locations, evaluated observed pollutant concentrations by comparing data to U.S. Environental Protection Agency (USEPA) benchmark and water quality objectives (WQO) for Little Wolf Creek; inspected and documented effectiveness of BMPs at the Service Yard, Mine Yard, Red Dirt Pile, Stamp Mill, Cyanide Plant, Sand Dam, Adit Tunnel, Spoils Stockpiles; and proposed new long-term BMPs.
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