Closed, Illegal and Abandoned (CIA) Disposal Sites

Site Investigation Process (SIP)

• Introduction
• Background
• Site Description
• Problems and Hazards
• Site Characterization
• Inspection Frequency
  • Elimination
  • Reduction
• Inspection Forms

Introduction

LEA Advisory No. 3 provided useful guidance to LEAs on the investigation of closed, illegal, and abandoned (CIA) sites in California. The Site Investigation Process (SIP) presented on these Web pages is designed to replace the previous guidance provided in LEA Advisory No. 3, which is now rescinded.

This guidance still provides LEAs with documentation tools (site identification form and site assessment form) and procedures for ranking the CIA sites for field investigation, enforcement, and remediation prioritization, as well as for inspection frequency reduction and archiving. Enhancements to office investigation procedures and new Web-based information links have been added to make the SIP guidance a more powerful investigation tool. 

The Board's Permitting and Enforcement Division hopes that LEAs find the following Web pages useful for administering their responsibilities at CIA sites.

Scott Walker, P.E., R.E.G
Acting Deputy Director
Permitting and Enforcement Division

Background

Local enforcement agencies (LEAs) are required to investigate and inspect closed, illegal, and abandoned disposal sites (CIA sites) pursuant to Title 14, California Code of Regulations (14 CCR) sections 18083 and 18303. Public Resources Code (PRC) section 45013 requires that the Board, upon request by the LEA, provide assistance in the inspection and investigation of CIA sites.

On February 25, 1993, the Board approved a staff-developed procedure—termed the Site Investigation Process (SIP)—for investigating and evaluating such CIA sites. In addition, the Board's Remediation, Closure, and Technical Services Branch has developed a Web site to provide Web-based technical assistance for investigation, enforcement, and remedial scoping of CIA sites.

If you have questions regarding the SIP, please contact your Board Closure and Remediation Branch staff liaison.

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Last updated: April 18, 2008