Empire Mine State Historic Park Mine Yard Area Remedial Action Alternatives Report

10 Documents in Project

Summary

SCH Number
2008082066
Lead Agency
Parks and Recreation, Department of (California Department of Parks and Recreation)
Document Title
Empire Mine State Historic Park Mine Yard Area Remedial Action Alternatives Report
Document Type
NOD - Notice of Determination
Received

Document Description
Pursuant to Chapter 6.8 of the Health and Safety Code, Section 25300, the project is the DTSC's approval to implement the Empire Mine State Historic Park Mine Yard Area Remedial Action Alternatives Report, Alternative 5, Complete Removal Mine/Mill Material and Replacement with Imported Fill and Gravel Surfacing for the Empire Mine State Historic Park. Alternative 5 will completely remove mine and mill materials with metals concentrations above the defined risk-based criteria for the site thereby eliminating potential exposure pathways for human receptors and allow unrestricted, future use in the Stamp Mill foundation area of the park. Project activities include the following: excavation of approx. 1,175 cubic yards of contaminated materials within the Mine Yard/Mill areas up to be a depth of 60 inches, offsite disposal of contaminated materials to an authorized hazardous waste disposal facility, and placement of approx. 965 cubic yards of clean fill and 210 cubic yards of gravel surfacing to replace the contaminated materials areas.

Contact Information
Perry Myers
DTSC
8800 Cal Center Dr.
Sacramento, CA 95826

916-255-3708

Location

Coordinates
39°'20.63"N 121°'00.44"W
Cities
Grass Valley
Counties
Nevada
Cross Streets
East Empire Street
Zip
95945
Total Acres
856
State Highways
174
Schools
Union Hill and Henessy ESLyman Gilmore MS,Sierra Foothills HS
Waterways
Little Wolf Creek,South Fork of Wolf Creek, Woodpecker Ravine
Township
15,16N
Range
8E
Section
25,26
Base
MDB&M
Other Information
Sections: 34-36, 1

Notice of Determination

Approving Agency
DTSC
Approving Agency Role
Responsible Agency
Approved On
Final EIR Available Location
8800 Cal Center Dr., Sacramento, CA 95826

Determinations

(1) The project will have a significant impact on the environment
Yes
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
Yes
(2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A Statement of Overriding Considerations was adopted for this project
Yes
(5) Findings were made pursuant to the provisions of CEQA
Yes
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