Corrective Measures Study Former Technichem Facility

Summary

SCH Number
2020120450
Lead Agency
Toxic Substances Control, Department of (Department of Toxic Substances Control)
Document Title
Corrective Measures Study Former Technichem Facility
Document Type
NOE - Notice of Exemption
Received
Posted
12/22/2020
Project Applicant
Mario J. and Virginia E. Pellegrini Trust
Present Land Use
industrial

Document Description
The project involves approval of the Corrective Measures Study, Former Technichem Facility (Site), for installation of a subslab venting system and implementation of enhanced reductive dechlorination including installation of three new monitoring wells. A groundwater monitoring system, consisting of seven existing monitoring wells, currently operates at the Site. The ten wells would be used to confirm the stability of the existing groundwater plume and to monitor potential horizontal and vertical migration of contaminants of concern (COCs) present in the groundwater. In addition, the project would install approximately 0.35-acre of concrete at the Site in addition to using existing concrete and asphalt pavements to prevent exposure to COCs in soil and groundwater and to minimize storm water infiltration.

Contact Information
Yongsheng Sun
Department of Toxic Substances Control
700 Heinz Street
Berkeley, CA 94710

Phone : (510) 540-3872
Yongsheng.Sun@dtsc.ca.gov

Location

Cities
Emeryville
Counties
Alameda
Cross Streets
4245 Halleck Street

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15330
Reasons for Exemption
1. The project is a minor cleanup action to be taken to prevent, minimize, stabilize, mitigate, or eliminate the release or threat of release of a hazardous waste and substance. 2. The project is a removal action costing $1 million or less. 3. The project will not be located on a site which is included on any list compiled pursuant to Cal. Gov. Code § 65962.5 (http://calepa.ca.gov/sitecleanup/corteselist/) 4. The project will not have a significant effect on the environment due to unusual circumstances. 5. The project will not result in damage to scenic resources, including but not limited to, trees, historic buildings, rock outcroppings, or similar resources, within a highway officially designated as a state scenic highway. 6. The project will not cause a substantial adverse change in the significance of a historical resource. 7. The project will not require onsite use of a hazardous waste incinerator or thermal treatment unit. 8. The project will not require the relocation of residences or businesses. 9. The project will not involve the potential release into the air of volatile organic compounds as defined in Health and Safety Code section 25123.6 (Permit to operate the sub-slab venting system, which is permitted by the BAAQMD, will be obtained from BAAQMD). 10. The cumulative impact of successive projects of the same type on the same place, over time, if there are any, will not be significant. 11. The project will be consistent with applicable State and local environmental permitting requirements.

Attachments

Notice of Exemption
Technichem CEQA NOE approved 12   PDF 140 K

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