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0orthern California Office ROMIC2081 Bay Road ENVIRONMENTAL East Palo Afto,CA 94303—Local:650.324.1638 TECHNOLOGIES CORP. Toll Free:800.766.4248—FAX:650.462.2411 August 1, 2007 Mr. Douglas Hale FPL Energy POSDEF Power Co. 2526 W. Washington Street Stockton, CA 95203 RE: DIESEL RELEASE CLEANUP 7/27/07 Dear Doug, Per your request for a narrative/report regarding Romic's response to the events of 7/27/07 in response to the unplanned release of 40 to 50 gallons of Diesel oil, the following is offered for your review: . On 7-27-07 ROMIC was contacted by POSDEF regarding a diesel spill at P.O.S.D.E.F, located at 2526 W. Washington Street in Stockton, CA. ROMIC arrived on site at approx. I lam and met with operations personnel in the control room and were, subsequently, brought to the diesel tank location where a remote pump area was located. This location was on a pad outside the above ground storage tank(AST) containment. Romic' scope of work was to remove impacted soil/rock using a Bobcat(supplied by POSDEF), digging bars, shovels, hoe's and picks. Romic began removing all visibly impacted soil/rock and stockpiled the material on plastic sheeting placed adjacent to the spill area, for eventual sampling, profiling and disposal. ROMIC excavated impacted soil and rock in(2)locations adjacent to each other, each approx. 8'x I 5'x6", to remove all visibly contaminated soil down to visibly clean compacted soil. ROMIC stopped work at 4prn, once the newly impacted soil had been stockpiled and covered and the cover secured. ROMIC reviewed the removal work with Doug Hale (POSDEF) and it was decided that Romic should return on Monday'7-30-07 to remove some additional rock/soil from around some support beam footings. On Monday, 7-30-07, ROMIC hand excavated around several footings to a depth of approx. 18"and an area of approx. 2 feet out/around the footings. Further excavation around the footings was stopped,to prevent contact with or possible damage to the Grounding Grid that exists below the surface throughout the facility. There may be mild contamination around the footings due to the possible migration of diesel oil down the footing. Since further excavation was not advised, due to the grounding grid, ROMIC took pictures and then backfilled holes. ROMIC has removed approx. 10-12 yards of diesel impacted soil and rock and has stockpiled it on and covered it with, plastic sheeting. The site is now secure pending S.J.C.E.H.D review and soil sample report.