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COUNTY OF MONTEREY

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Site Mitigation

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Site Mitigation - Guidelines, Forms & Worksheets

Sites may become contaminated with toxic chemicals discarded-television_fysOVeAdthrough illegal dumping or disposal, from leaking underground storage tanks, or through industrial or commercial activities.  These sites may pose a hazard to the public health & safety and the environment.  Therefore, the investigation and cleanup of these contaminated sites must be conducted under the supervision of the hazardous materials branch.  At a minimum, any investigative work shall require a work plan, site safety plan, application for site mitigation and work plan review and a fee.  Allow seven working days for processing.  Incomplete or unapproved submittals will be returned.  Approval of the work plan must be obtained before any work is started.  A letter of closure may be written by the Monterey County Environmental Health Bureau based on the findings of the investigation.


Guidelines for Mitigation

Investigation and clean-up of contaminated sites must be conducted according to the Guidelines for Site Mitigation, below.  The purpose of these guidelines is to provide a uniform procedure that can be followed to mitigate a contaminated site properly as quickly as possible.  The guidelines cover four phases of work that must be accomplished:

  1. Preliminary site assessment
  2. Soil and groundwater investigation
  3. Corrective action implementation  
  4. Verification of monitoring.

Other requirements are also discussed in the Guidelines for Site Mitigation.

All submittals must be signed by a Registered Geologist or Certified Civil Engineer for Subsurface Investigations.


Forms and worksheets

Document Description
Guidelines For Site Mitigation
Downloadable PDF - Mitigation and clean up of sites contaminated with motor vehicles fuels, hazardous materials, hazardous substances or hazardous waste shall adhere to the following guidelines. The purpose of the guidelines is to provide a uniform procedure so that mitigation of contaminated sites can occur in a proper fashion as quickly as possible.

Application for site mitigation inspection and work plan review

Downloadable PDF Application for site mitigation inspection and work plan review
Contamination Reporting Procedures Downloadable PDF - The Environmental Health Bureau (EHB) will be notified within 30 days if during the UST removal, and/or the investigation, installation, or destruction of Monitoring Wells or Soil Borings, that contamination is discovered at, or above the Monterey County Action Levels.
Site Safety Plan Downloadable PDF - Site and Safety Plan for Underground storage tank-repairs, removal, installations; Investigation/Remediation of Contaminated sites; Monitoring well & soil Boring.
Hydraulic Lift And Reservoir Removal Procedure Downloadable PDF for Procedures for the removal of the Hydraulic Lift And Reservoir Removal


Related links

Website Description

www2.epa.gov/cleanups

Information from the United States Environmental Protection Agency Site Mitigation
www.dtsc.ca.gov Information from the California Department of Toxic Substance Control

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