Empire Mine State Historic Park Mine Yard Area Remedial Action Alternatives Report
14 Documents in Project
Summary
SCH Number
2008082066
Lead Agency
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
Posted
7/9/2018
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
Name
Perry Myers
Agency Name
DTSC
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
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
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 Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(2c) An other document type 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 mitigation reporting or monitoring plan was adopted for this project
N/A
(5) A Statement of Overriding Considerations was adopted for this project
Yes
(6) Findings were made pursuant to the provisions of CEQA
Yes
Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above.