SR0085513_SSCRPT - Laserfiche WebLink

Home Browse Search

9%0 Public Notice: Proposed No Further Action Determination e Four K Farms Diesel Tank Failure and Cleanup 22844 Frederick Road, Ripon State of California 80 feet long by 22 feet wide. Total petroleum hydrocarbons as diesel Gavin Newsom The purpose of this notice is to inform you that: Governor orchard area at a depth of 4 feet below ground surfa,:e (bgs) were less than Chair 1. On 30 April 2015, an 8,000 -gallon aboveground storage tank (AST) ruptured during filling operations resulting in a catastrophic failure and the Regional Water Quality Control Board, - release of approximately 6,000 gallons of diesel fuel at 22844 Fredrick Road noted. in Ripon (Site). The diesel flowed into the orchard tc the south of the release and down the driveway towards Frederick Read. Subsequent to the 3. The driveway excavation area was excavated to a depth of release, Four K Farms personnel spread soil along the driveway in an approximately 4.5 to 9 feet bgs and measured approximately 275 feet long attempt to absorb the diesel and prevent further migration. On behalf of California Environmental Protection Agency Four K Farms, APEX Envirotech, Inc. (APEX) submit ed to Central Valley Jared Blumenfeld Regional Water Quality Control Board (Central Vallee Water Board) confirmation samples from the base of the excavatio -1 were all less than a13 July 2015 Diesel Tank Failure, Soil Excavation, ,end Confirmation Soil Secretary of the Environment Sampling Results Report and a 30 May 2019 Soil Araly tical Results Report for consideration. 9%0 2. For logistical purposes, the spill was separated into three areas: the front orchard area, the driveway area, and the rear orchard area. The front Water Boards orchard area, located furthest from the diesel AST, was excavated to a depth of approximately 6 to 10 feet bgs and measurE!d approximately State Water Resources 80 feet long by 22 feet wide. Total petroleum hydrocarbons as diesel Control Board (TPH-d) analytical results for the initial soil samples collected from the front E. Joaquin Esquivel, orchard area at a depth of 4 feet below ground surfa,:e (bgs) were less than Chair 100 milligrams per kilogram (mg/kg) with the exception of one sample, SW -5@4'. The area of SW -5@4' was over-excavatE!d to 6 feet bgs, until no Regional Water Quality Control Board, visual or photo -ionization detector (PID) indications of diesel impact were Central Valley Region noted. Karl Longley, Chair 3. The driveway excavation area was excavated to a depth of approximately 4.5 to 9 feet bgs and measured approximately 275 feet long by an average width of approximately 6 feet wide. Tie west end of the Contact: excavation expanded to a width of 25 feet. TPH-d analytical results for confirmation samples from the base of the excavatio -1 were all less than Kyle Cockerham 1 mg/kg. (916) 464-4811 4. The rear orchard area, located nearest the diesel AST, was excavated to a depth of approximately 6 to 12 feet bgs, with the majority of the excavation Regional Water Quality extending to 12 feet bgs where a "cemented clay/silt hardpan" was Control Board, encountered. The excavation was irregularly shaped, measuring Central Valley Region approximately 150 long and varying in width from approximately 15 feet at Kyle.Cockerham@ the ends to approximately 60 feet near the middle. Except for two waterboards.ca.gov confirmation soil samples TPH-d concentrations were less than 100 mg/kg, ranging from non -detect to 57 mg/kg. The two confirmation soil samples