ARCHIVED REPORTS_XR0012314 - Laserfiche WebLink

Home Browse Search

i 1 File Na 20-3941-01 E01 h'q KEEINFELDER August 20, 1996 tanks and plumbing Removal of the underground storage tank system and dispensers will require permitting through PHS/EHD Additionally, a qualified hazardous materials contractor will be necessary for the excavation, removal, transportation, etc Soil sampling by a firm such as Kleinfelder will be required under the permit 9 Borings B-16, B-17 and B-18 were advanced on the True Value Hardware site All three borings contained trace levels of TPH-Lubricating Oil or TPH-UEH Boring B-18 had a non-detectable sample beneath the sample that contained I 1 mg/kg TPH-UEH Kleintelder does not recommend any further investigation or clean-up as it relates to the concentrations noted in the samples from these 3 borings 10 Borings B-19 and B-20 were advanced on the Wright's Petroleum property No contaminants were noted In the samples analyzed 11 Boring B-20 was advanced on the Franco's Restaurant property A concentration of 230 mg/kg TPH-Lubricating Gil was detected in the sample obtained from a depth of 5 feet That concentration attenuated to non-detectable levels by a depth of 10 feet The source of the hydrocarbons Is unknown However, the source may be old fill material that contained some oils Kleinfelder would recommend no further investigation unless a source such as a former tank was known to have existed on site 12 Boring B-23 was advanced in the right-of-way in front of Pacoast Chemical No contaminants were detected in any of the samples analyzed from this boring 13 Borings B-22 and 11-24 were advanced on the former Matt's Texaco site Field screening using the PID indicated that significant concentrations were detected in both borings The highest PID readings were in the 15 foot to 30 foot zone in both borings especially in boring B-24 Soil samples obtained were screened In the field, and the PID readings were recorded on the boring logs PID readings ranged from 0 7 to 1,588 ppmv Hydrocarbon odors were present in almost all one-half of the soil samples obtained from these 2 borings The results of the chemical analysis conducted on selected soil samples were much lower than the PID readings In fact, the results were primarily non-detect except for a concentration of 820 mg/kg TPH-Gas at 21 5 feet in Boring B-24 However, samples obtained at depths of 6 feet and 26 5 feet in the same boring were non-detect for TPH- , � Gas 20-3941-01 E011MR960163 Page 3 of 21 01996 Kleinfelder,Inc