WORK PLANS - Laserfiche WebLink

Home Browse Search

ATC Associates Inc. 1 CVYATC 1117 Lone Palm Avenue, Suite 201 Modesko, California 95351209-579-2221 ASSOCIATES INC , fax: 209-579-2225 oxygen , and ORP values will be measured using down-hole probes . As deemed appropriate , other parameters may be monitored using down-hole probe devices . Injection Pilot Testing Injection pilot testing will be conducted to evaluate the effectiveness of this technology to remediate dissolved hydrocarbons and fuel oxygenates within the saturated zone. Injection pilot testing will be conducted utilizing one injection well , however if injecting into that well does not yield suitable data , another well will be selected . A mobile ozone generator will be connected to the ozone sparging wells to inject ozone into the saturated zone . Ozone will be injected into each sparge well for approximately 15 to 20 minutes per hour over a period of four weeks at a rate of approximately 2 to 3 cubic feet per minute . This "micro-sparge" approach will provide information to evaluate the effectiveness of an ozone sparge system (low airflow and low pressure) . The duration and rate of ozone injection can be adjusted downward or upward as desired . The sparging wells will alternately be used as observation wells when not being actively utilized as the ozone injection well . Monitoring parameters will be periodically measured in nearby monitoring wells during the test. WORK SCHEDULE Following receipt of SJCEHD approval of the Workplan , ATC will initiate the project as soon as possible . ATC will secure an access agreement with the Delta Reclamation District and prepare a drilling permit. With the submittal of the drilling permit application , ATC anticipates that well permitting should take approximately two weeks ; well installation should take approximately one week. The pilot test is scheduled to take 4 weeks . Soil and groundwater analytical test results should be received within 10 to 15 days of sample delivery . Data interpretation and report preparation are expected to take five to six weeks. The estimated project schedule does not include allowances for delays or standby time due to inclement weather, Reclamation District access problems or other factors beyond the control of ATC . DATA EVALUATION AND REPORTING Following receipt of the laboratory analyses of soil and groundwater samples , ATC will evaluate the information and prepare a summary report. The report will be submitted to the SJCEHD for review and comment. KIR 2009 WP for Pilot Testing.doe ATC Associates Inc. S:\Environmental\62514 — KIR ATC Project No. 54.62514.0001 Page 10