Ozone Pilot Study for Rainbow LLC


SCH Number
Public Agency
Department of Toxic Substances Control
Document Title
Ozone Pilot Study for Rainbow LLC
Document Type
NOE - Notice of Exemption
Document Description
The project consists of approval of a pilot study work plan for Rainbow LLC (Rainbow) to conduct a pilot study of ozone sparging as a cleanup technology. The pilot study will provide valuable information to determine whether ozone sparging is an effective technology for destruction of volatile organic compounds in groundwater. The primary contaminants of concern are the industrial solvents tetrachlorethene (PCE) and trichloroethene (TCE), which each have a drinking water maximum contaminant level of ive (5) micrograms per liter. The anticipated timeframe of the pilot study is three months active treatment followed by three months of monitoring.

Contact Information

Ryan W. Batty
Agency Name
Department of Toxic Substances Control
Contact Types
Lead/Public Agency


Los Angeles

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15330 - Class 30
Reasons for Exemption
The pilot study is an extension of the site investigation whose purpose is to mitigate the release of hazardous waste or hazardous substance.

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.

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