Laserfiche WebLink
Quarterly Status Repoo AECEIVED <br /> Beacon Station 492 - Manteca, California <br /> Page 2 J U N 16 1992 <br /> ENVIRONMENTAL HEALTH <br /> SUMMARY OF THIS QUARTER'S ACTIVITIES: PER MIT/SERVICES <br /> MW-4 was installed on February 14, 1992 and groundwater was <br /> sampled from MW-1 thru MW-4 on February 26, 1992. <br /> RESULT OF QUARTERLY MONITORING: <br /> Depth-to-water measurements show. the elevation of the water <br /> surface in the four ground-water monitoring wells to be within <br /> 0.04-feet of each other. <br /> Ground-water analyses show all four wells to have <br /> non-detectable TPHg and BTEX concentrations. BTEX detection <br /> limits were 0.5 ppb and the TPHg detection limit was 50.0 ppb. <br /> PROPOSED ACTIVITY OR WORK FOR NEXT QUARTER: <br /> ACTIVITY ESTIMATED COMPLETION DATE <br /> Acquire air permit to reinstate vapor <br /> extraction at the site June 1992 <br /> No further ground-water work scheduled <br />