SITE INFORMATION AND CORRESPONDENCE_FILE 1

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RAMAGE ENVIRONMENTAL,INC, 2, j 465&Mewkiij*t ' V 57 V Reno,NV 89fff1N, Tel(775)851-7239 Fax(775)851-7240 April 9, 2010 Ms. Lori Duncan, R.E.H.S. San Joaquin County EHD 600 East Main Street Stockton, CA 95202-3029 Inc: Quarterly Status Report,First Quarter 2010 Stockton Metropolitan Airport Former Fuel Farm, 5000 S. Airport Way, Stockton Global ID#T0607700159, EHD Site Code: 1845 Dear Ms. Duncan: On behalf of the Stockton Metropolitan Airport, Chevron Products Company, and A.G. Spanos Companies, Ramage Environmental, Inc. is pleased to submit to the San Joaquin County Environmental Health Department(L-HD)this Quarterly Status Report, First Quarter 2010 for the above-referenced case. Pr2ject Status On March 27,2009,upon regulatory directive from EFID, Damage Environmental published Work Plan, Remedial Feasibility Testing and Groundwater Monitoring Report, First Quarter 2009, which recommended the testing of soil vapor extraction and air sparge remedial alternatives. On April 6,2009,EI- D approved the work plan with the provision that two of the proposed remedial test wells be re-located. On April 21, 2009,Ramage Environmental submitted to ERD, Revised Remedial Feasibility Test Well Locations. Currently, implementation of the approved scope is on hold, pending the availability of funding. On July 1, 2009, according to State Water Resources Control Board (SWRCB) Resolution 2009- 0042, EH D directed that the routine groundwater monitoring and sampling frequency at the site be reduced from quarterly to semi-annually. Work Completed During the-Quarter On January 15,2010, Ramage Environmental submitted to San Joaquin County EHD, Groundwater Monitoring,Report, Second Haff 2009. According to the semi-annual groundwater monitoring schedule, groundwater was not monitored or sampled during the first quarter of 201 O No other environmental corrective actions were completed during the quarter.