REMOVAL_1995 - Laserfiche WebLink

Home Browse Search

• 95.11.01 ' SAMPLING PROCEDURES AND ANALYTICAL RESULTS On May 1995, following the removal of the USTs, Mr. Michael Kith of the PHS- ' EHD specified that confirmatory soil samples would be required to be collected from beneath the former UST locations, beneath the former dispensers and dispenser piping locations. A concrete support structure was present directly beneath the former UST locations. Following the removal of this structure, Mr. Kith directed MSI to collect samples from directly beneath and at each end of this structure, beneath-adjacent to the former UST location. Additionally, Mr. Kith directed MSI to collect three, 2-part composite soil samples ' from the stockpiled soils to complete a chemical profile for these soils. The data from these analyses may be used to obtain acceptance of these soils to a recycling/disposal facility. ' Therefore, to comply with these requests soil sample S-1 was collected from directly beneath the former T-1 location at a depth of 8.5 feet BSG. Samples S-1 thru S-7 were all collected from approximately two feet beneath the former T-2, T-3 and T-4 locations at a ' depth of 10.5 feet BSG. As directed by Mr. Kith, three 2-part composite soil samples, SP- 1, A&B and SP-2 A&B, C&D collected from the excavated-stockpiled soils. The areal locations of the soil samples are presented on the attached map. ' The soil samples in the UST excavation (S-1 thru S-7) were collected from the backhoe bucket. Soil samples S-8 thru S-15 were collected using a core barrel of a hand auger soil sampling device equipped with 6-inch long by 2-inch diameter brass sleeves. All samples were capped with Teflon film and plastic fittings, to insure an airtight seal; and clearly identified and labeled as to their location and contents prior to shipment. The samples were packed into a clean ice chest and maintained at a cool temperature, using pre- frozen chemical ice, for shipment to the laboratory. Chain-of-custody procedures, described in Test Methods for Evaluating Solid Waste, SW-846, USEPA,Third Edition, 1986,were followed. All of the soil samples were obtained ' by Mr. William Sheehe, associate geologist of MSI. On 17 May 1995, the soil samples were delivered to Pan-Ag Environmental laboratory personnel by MSI's geologist. A copy of the chain-of-custody documentation associated with the sampling, transport, and analyses of the ' soil samples obtained is attached. The results of the confirmatory soil sample analyses are presented in Table Nos. 1 & 2, on the following page. These chemical analyses were conducted to meet the published requirements of the PHS-EHD. ' The intention of San Joaquin Delta College to manifest and transport the stockpiled soils(from Stockpile No. 2)to Forward Landfill in Manteca, California for recycling/disposal ' will be subject to the approval of PHS-EHD. The loading of the stockpiled soils and transportation of the soils to Forward is currently pending the completion of a chemical profile for acceptance to this facility. All laboratory reports of analytical results of the ' additional samples, if necessary, collected from SP-2, if necessary,will be submitted to PHS- EHD under separate cover. Similarly, the uniform hazardous waste manifest, showing acceptance to the Forward, Inc. landfill in Manteca, California will be presented under separate cover to PHS-EHD. • ' 3 ' MOORE SERVICES, INC.