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INTRODUCTION

This is a presentation of the environmental data gathered during the investigation of the Del Amo Facility Federal Superfund site. The data was gathered primarily by contractors for Shell Oil Company and Dow Chemical Company under oversight of U.S. EPA and California DTSC. The data is displayed by CFEST Inc, under contract to CH2M HILL, under contract with the U.S. Environmental Protection Agency, Region 9.

      

This report presents informative visual displays of parcel-specific environmental data, such as a chemical data summary, chemical data plots, sampling locations and depths for each parcel, soil data, soil gas data, indoor/outdoor air data and groundwater data, contained in the Respondent’s database for the Del Amo Superfund Site at the time of completion of the Remedial Investigation Report. The purpose of this document is to provide agencies and interested public parties with a single, easy-to-use, visual reference to this data, which is currently reported in a variety of different documents. A brief overview of the site-wide and parcel-specific information presented in this report is provided below.

 

Site-Wide Summary Tables
Type Soil Soil Gas Indoor Air Groundwater Table Description
Sample Location List These tables provide a list of sample locations by Parcel
Sample Depth List These tables list sample depths for each sample location
List of Chemicals which were detected at least once across the entire Del Amo site

These tables provide a list of chemicals monitored at Del Amo which have at least one detected result in the entire site-wide database. For each chemical, these tables include the total number of sample points, number of detections, maximum and minimum concentration, and sample time period (first and last date of sampling). These summary tables provide an understanding of the Del Amo contaminants

List of Chemicals which have not been detected across the entire Del Amo site

These tables provide a list of chemicals monitored at Del Amo which do NOT have at least one detected result in the entire site-wide database. Chemicals listed in this table are not plotted in each sample location site plot. Users may review these tables to quickly identify constituents which were not detected at the Del Amo site

Parcel-specific Tables and Plots
Type Brief Details
Parcel map with sample locations Displays sample locations for all media for the given parcel
Chemical data summary Provides a list of detected, undetected and system-wide undetected chemicals within the given parcel
Chemical data plot Displays site-specific chemical results for each parcel, including the unit of measurement, chemical group, measurement depth and concentration

Download Report Sections
  - Introduction Pages in PDF format: 
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  - PDF Files for Each Parcel of Interest: 
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