Former Salinas Manufactured Gas Plant Remedial Action Plan
2 Documents in Project
Summary
SCH Number
2019012034
Lead Agency
Department of Toxic Substances Control
Document Title
Former Salinas Manufactured Gas Plant Remedial Action Plan
Document Type
NOD - Notice of Determination
Received
Posted
7/2/2019
Document Description
The project consists of the following activities to address impacts to soil and groundwater from previous operations at the Former Salinas Manufactured Gas Plant Site. (Site): targeted treatment of deep impacted soils using in-situ stabilization (ISS); capping; confirmation soil and soil gas sampling; institutional controls in the form of a land use covenant (LUC);. and groundwater monitoring. Project activities are detailed in the Remedial Action Plan (RAP). The soil at the Site is impacted by benzene ethylbenzene, polycyclic aromatic hydrocarbons (PAHs), antimony, arsenic, cadmium)· lead, mercury, and petroleum hydrocarbons including visible oil and coal tar residues. The Department of Toxic Substances Control (DTSC) is approving the RAP pursuant to regulatory authority granted under Chapter 6.8, Division 20, section 25356:.1, California Health and Safety Code (H&SC).
ISS will be applied to approximately 1-4,361 cubic·yards (CY) of in-place subsurface soil-. Approximately 4,308 CY (294 truckloads) of excess soil generated from the ISS operation will be disposed at an off-site permitted landfill. The Site surface will be restored to its existing grade and drainage patterns, then capped at the end of the project with either asphalt pavement, concrete and/or crushed rock. Institutional controls in the form of a LUC will be placed on all parcels comprising the Site to prohibit on-site-use of groundwater, limit activities that could damage or penetrate the cap, and restrict sensitive land uses (e.g., single family residences, schools, day care centers) because residual impacts will continue to exist in the soil and groundwater that are above levels acceptable for unrestricted use of the Site. In· addition, a network of.groundwater monitoring wells will be installed and sampled for a minimum period of three years following completion of remediation.
Contact Information
Name
Sagar Bhatt
Agency Name
Department of Toxic Substances Control
Contact Types
Lead/Public Agency
Phone
Location
Cities
Salinas
Counties
Monterey
Other Location Info
2 and 4 Bridge Street, Salinas, California 93901
Notice of Determination
Approving Agency
DTSC
Approving Agency Role
Lead Agency
Approved On
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(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
No
(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
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Final Document(s)
Notice of Determination
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