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- 2 - D. In the C&A, the Problem Assessment Report (PAR) due date was 25 May 1990 and the final remedial plan (FRP) due date was 29 June 1990. However, submittal of the PAR was extended to 28 June 1991 to allow Geweke to come into compliance. No new submittal date was set for the FRP. The PAR was submitted but the plume remains undefined to the west of MW-11 . Therefore, Geweke is to install an additional monitoring well down gradient of MW-11 and subsequently, submit an FRP, including the results of the installation of the new well , by 2 December 1991. Should Geweke fail to comply with the 2 December 1991 FRP due date, any consideration of fines will be based on the original FRP due date, 29 June 1990. E. Cleanup and Abatement Order No. 90-702 (C&A) orders the following: 113. Monitor the depth to ground water obtain water quality samples, and analyze the samples for total petroleum hydrocarbons, benzene, toluene and xylenes in all existing and future monitoring wells on a quarterly basis. Submit quarterly ground water monitoring reports until such time as the Executive Officer determines that the reports are no longer necessary. " We recommend that you issue Geweke a Notice of Violation due to Geweke's failure to submit quarterly reports that were due 15 April and 15 July 1991 . In a letter to you from Jim Maughan, of this office, dated 20 May 1991, he noted that Geweke had not submitted the April quarterly report and stated that it should be submitted immediately. The next quarterly report is due 15 October 1991. Failure to submit quarterly reports as scheduled is a violation of the C&A and Geweke may be subject to fines under Section 13350 of the California Water Code. Failure to submit quarterly reports is also a violation of Section 2652(d) of the Underground Tank Regulations and subject to additional fines. If you have any questions, please call me at (916) 361-5726. ELIZABAssoci H A. THAYER Associ a Engineer