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*MEMORANDUM 0 <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD - CENTRAL VALLEY REGION <br /> 3443 Routier Road Phone: (916) 361-5600 <br /> Sacramento, CA 95827-3098Fy' ATSS Phone: 8-495-5600 <br /> TO: GREG K. VAUGHN FROM: ROBERT L. NIBLACK <br /> Senior Engineer F(�y�R�Pf�'EhtALr Engineering Geologist <br /> DATE: 15 November 1989 SIGNATURE: 7�f <br /> SUBJECT: STATUS OF LODI OVERHEAD DOOR SURFACE IMPOUNDMENT WITH RESPECT TO THE TOXIC <br /> PITS CLEANUP ACT <br /> Lodi Overhead Door Corporation (LDDC) disposed liquid waste to a surface <br /> impoundment on their property. The waste in the surface impoundment was found <br /> to be hazardous, and LODC was notified of their responsibilities under the <br /> Toxic Pits Cleanup Act (TPCA) in a letter dated 4 November 1985. <br /> The hazardous waste was removed from the surface impoundment in June of 1987. <br /> The facility was therefore in compliance with the cease discharge requirement <br /> of the TPCA. On 9 November 1987 LODC submitted a Hydrogeological Assessment <br /> Report (HAR) as required by the TPCA. The report was reviewed, and several <br /> deficiencies were noted. LODC was told to address the HAR deficiencies. <br /> In a letter dated 27 July 1988 James Harvey of Dallas Corporation, parent <br /> company to LDDC, detailed the steps Dallas Corporation planned to take to <br /> address the shortcomings of the HAR. Field work commenced in 1988 to complete <br /> the proposed tasks. <br /> This memorandum was written to summarize the tasks Dallas Corporation needs to <br /> complete to fully comply with the TPCA. Additional work needed to comply with <br /> Title 22 must be determined by the Department of Health Services, and will not <br /> be considered in this memorandum. <br /> STATUS OF THE HYDROGEOLOGICAL ASSESSMENT REPORT <br /> GROUND WATER OCCURRENCE <br /> Mr. Harvey's plan to rmmnlote the NAP inc. tided the folic.v1ny tasks: <br /> � <br /> 1 . Revise the ground water monitoring program. <br /> 2. Ground water monitoring well number 5 will be drilled and developed down <br /> gradient of surface impoundment. <br /> 3. Ground water monitoring well number 6 will be drilled up gradient to the <br /> surface impoundment near ground water monitoring well number 4. <br /> The ground water monitoring program was modified by Regional Board staff <br /> comments. Dallas Corporation has been submitting quarterly monitoring <br /> reports. Board staff agreed in the past that quarterly monitoring was <br /> sufficient. Staff also stated that the monitoring program may be revised <br />