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� y knM SITE HEALTH AND SAFI PLAN 4 UNDERGROUND STORAGE TANK SITE REMEDIATION Color spot Facility 5400 East Harney Lane Lodi, California ii PURPOSE The purpose of this document is to Provide Eor worker and enviroa- E:a nd safety during site remediateion to be conducted at the Color mental health a rcali£ornia. Spot facility located in Lodi, a SITE HISTORY 1989, a 4,000-gallon capacity onder- On February 28, and March 1> =� was removed from the s+xhject facility ground diesel fuel storage tank (UST) county Fire Department and the San ' under permits issued by the San Joaquin i Joaquin Local Health District, Enviro unentallin Knoll),Health and asion S5 aal, Gardner and ~ supervision of the SJLHD inspector (Mr. Har ^r - Environmental. Engine er• As the soils surrounding the UST were Dunne, Inc. (SGD), for volatile �- hotoionization detector (PID) ; removed, they were monitored with a p ,••• vapor concentrations. The soils were segregated into contaminated organic p and uncontaminated portions based on - (greater than 25 parts per million [ppm]) where { nitoring results. The soils surrounding the south o locate vent line, d of d) were the UST observed S piD mo the fill port, and product delivery line were These soils also exhibited �. gray and emitted a petroliferous odor. on removal, to be ;stained g Y in from 50 to 200 ppm. UP volatile organic vapor concentrations rang g sound. The contamination the UST was inspected and appeared to be stxuctuxally i elire leakage. After the UST i observed was likely caused by overfilling °r 3 pfeet into the bottom of the 3. was rer�oved, two small trenches wer dug, ' i excavation (total depth of about 12 feet) and the soils nd 26hppmronctheonorth S OB9 ppm an the south en � were monitored with a PTD (1' 3 d sem led. The area surrounding the UST excavation is shown on the end) an p attached Figure 1 - Site Plan. 4 i WN 11 Bosom p i