SITE INFORMATION AND CORRESPONDENCE

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-4- 3. Sol] borings or Monitor well data are to have geologic cross sections, 4. Show all structures above ground including canopies and powerlines, S. Indicate buried pipes, tanks, leachlines, etc., and 6. All logs, excavation procedures, and soil/ ground water samplings are to be certified by a Registered Geologist, Certified Engineering Geologist, or Registered Engineer (This.assures the regulatory agencies of the quality of the work and protects the tank owner's interests). The report is to contain information from other reports as necessary to assure that it may be reviewed Independently. It is not acceptable to reference a graph, table, boring log, etc., in a previous report (at times not even available). After the report has been reviewed by all the regulatory agencies and our collective responses prepared, we can respond in writing to the tank owner and suggest modifications as needed. At this time all the data should be included and no further investigation required by the consultant. (Should more data be needed, It will be necessary for us to inform the tank owner of what is needed in order for a remedial action pian to be implemented.) A meeting with the tank owner and their consultant may be required to "Iron out" differences at this time. (Please note that this would be one of our few meetings, other contacts have been by correspondence, telephone , or site monitoring.) At times the tank owner may want to install equipment to remove "free product" or initiate minor cleanup before approval. Such action may be warranted but is always at their own risk and may impede, or increase the costs of, the f inal action required. Following this meeting, a summarizing letter is to be sent to the tank owner which includes details of the procedure(s) agreed upon. The consultant can then prepare the Final Remedial Plan for approval by agencies. The plan should contain at least the following: FINAL REMEDIAL PLAN Plan details and discussion for implementation Dates for beginning work stages Site plan with proposed work areas defined Implementation schedule for phasing, if necessary Results of preliminary field tests or laboratory pilot studies After approval and upon completion of the remedial plan activities, a letter is to. be prepared describing any regulatory conditions of concern to the Regional Board or LIA, such as deed restrictions, long term monitoring, alternative dr nking water sources, etc. Some remedial plans may require the addition of extraneous materials to expedite the transformation or removal of the contaminatingg liquid. _ The added material or their byproducts must be considered for removal. ft is not _ our intent to trade eoritaminants in ground water.