Removal Action Workplan (RAW) for the Proposed Sierra Terrace Property, Grass Valley Nevada County, California
Summary
SCH Number
2008098057
Public Agency
Department of Toxic Substances Control
Document Title
Removal Action Workplan (RAW) for the Proposed Sierra Terrace Property, Grass Valley Nevada County, California
Document Type
NOE - Notice of Exemption
Received
Posted
9/4/2008
Document Description
The RAW for the Sierra Terrace Site includes the removal of approximately 3,500 cubic yards of soil containing elevated concentrations of arsenic and lead. This soil was impacted by these metals as a result of sulphuret works ore processing that was conducted historically on the property associated with gold mining activities. The maximum arsenic and lead concentrations detected in soil samples collected from the sulphuret works area were 2,780 and 3,600 mg/kg, respectively.
Contact Information
Name
James Rohrer
Agency Name
Department of Toxic Substances Control
Contact Types
Lead/Public Agency
Phone
Location
Cities
Grass Valley
Counties
Nevada
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15330
Reasons for Exemption
The excavation of contaminated soil and construction of foundation liners and passive venting systems are minor actions to prevent potential exposure to future residents to arsenic, lead and volatile organic compounds.
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. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.