Former Palace Plating Interim Removal Action Workplan


SCH Number
Public Agency
Department of Toxic Substances Control
Document Title
Former Palace Plating Interim Removal Action Workplan
Document Type
NOE - Notice of Exemption
Document Description
The Department of Toxic Substances Control (DTSC) approved an Interim Removal Action Workplan for the former Palace Plating facility (Palace) at East 29th St, Los Angeles. The remediation will utilize Soil Vapor Extraction (SVE) to treat in-situ soil impacted by site-derived volatile organic compounds (VOCs) to approximately 65 feet below ground surface (bgs). The Project activities consist of the following: 1) Twelve dual-nested vapor extraction wells (existing or to be installed) would comprise the in-ground portion of the SVE system. 2) The above-ground portion of the SVE will include a trailer-mounted motor, blower and knock out tank will receive influent from vapor extraction wells and send it through GAC canisters prior to venting as permitted by the South Coast Air Quality Management District (SCAQMD). 3) The operation of the SVE system will be accompanied by periodic monitoring of VOC concentrations as measured in the system influent, extraction wells, and individual soil gas monitoring probes. Seventy-four probes comprise the soil gas monitoring probe array. 4) The SVE operation will optimized to extract soil vapor from the wells and specific depths with the highest VOC concentrations. 5) When Site-derived VOC concentrations beneath the affected portion of the school have decreased below acceptable health-based risk levels for residences, the SVE system will be temporarily shut down to perform a rebound test to evaluate the SVE effectiveness. 6) Site Activities will be conducted in accordance with a site-specific Health and Safety Plan that complies with Title 8, California Code of regulations, Section 5192.

Contact Information

Don Indermill
Agency Name
Department of Toxic Substances Control
Job Title
Project Manager
Contact Types
Lead/Public Agency


Los Angeles
Los Angeles
Southern California
Other Location Info
710 East 29th Street, Los Angeles

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Title 14, Section15330
Reasons for Exemption
1. The project is a minor action designed to prevent, minimize, stabilize, mitigate or eliminate the release or threat of release of hazardous waste or hazardous substances. 2. The project will not exceed $1 million in cost. 3. The project does not involve the onsite use of a hazardous waste incinerator or thermal treatment unit or the relocation of residences or businesses and does not involve the potential release into the air of volatile organic compounds as defined in Health and Safety Code Section 25123.6 (except a small scale in-situ soil vapor extraction and treatment system which have been permitted by the local Air Pollution Control District or Air Quality Management District). 4. The project is consistent with applicable state and local environmental permitting requirements including, but not limited to, off-site disposal, air quality rules such as those governing volatile organic compounds and water quality standards and approved by the regulatory body with jurisdiction over the site. Prior to implementing field activities, all necessary permits will be obtained from SCAQMD. 5. The exceptions pursuant to Cal. Code Regs., title 14, § 15300.2 have been addressed as follows: (a) Cumulative Impact. The project will not result in cumulative impacts because it is designed to be a short-term final remedy that would not lead to a succession of projects of the same type in the same place over time. (b)Significant Effect: The environmental safeguards and monitoring procedures that are enforceable and made a condition of project approval will prevent unusual circumstances from occurring so that there is no possibility that the project will have a significant effect on the environment. (c)Scenic Highways. The project will not damage scenic resources, including but not limited to, trees, historic buildings, rock outcroppings, or similar resources, because it is not located within a highway officially designated historic as a state scenic highway. (d)Hazardous Waste Sites. The project is not located on a site which is included on any list compiled pursuant to Section 65962.5 of the Government Code. (e)Historical Resources. The project will not cause a substantial adverse change in the significance of a historical resource at the Site because there are none at the Site.
County Clerk
Los Angeles


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