COMPLIANCE INFO_2011-2017 - Laserfiche WebLink

Home Browse Search

MONITORING AND REPAING PROGRAM NO, R5-2012-0106 _6 GLENN SPRINGS HOLDING COMPANY,FORMER OCCIDENTAL CHEMICAL COMPANY GROUNDWATER REMEDIATION PROJECT, LATHROP FACILITY SAN JOAQUIN COUNTY (c) groundwater potentiometric contour maps for all groundwater.zones, if applicable; (d) pollutant concentration maps for all wells included in the semi-annual event for all groundwater zones, if applicable; (e) a table showing well construction details such as well number, groundwater zone being monitored, coordinates (longitude and latitude), ground surface elevation, reference elevation, elevation of screen, elevation of bentonite, elevation of filter pack, and elevation of well bottom; (f) a table showing historical lateral and vertical (if applicable) flow directions and gradients; (g) cumulative data tables containing the water quality analytical results and depth to groundwater; (h) a copy of laboratory analytical data reports; (i) a description of remedial and system optimization activities and the status of ongoing remediation, including influent and effluent concentrations, extraction well and injection well pumping rates, treatment system flow rates, effectiveness of the remediation system, and cumulative information on the mass of pollutant removed from the subsurface, system operating time, the effectiveness of the remediation system, and any field notes pertaining to the operation and maintenance of the system; and (j) if applicable, the reasons for and duration of all significant interruptions in the operation of remediation system, and actions planned or taken to correct and prevent interruptions; and (k) A log of GAC replacement, if applicable along with transportation date(s) and destination of disposal. An Annual Report-shall be submitted to the Regional Board by 1 February of each year. The Annual Report shall also serve as the Semi--Annual Report also due on 1 February of each year. This Annual Report shall contain an evaluation of the effectiveness and progress of`the investigation and remediation, and may be substituted for the concurrent semi-annual monitoring report. The Annual Report shall contain the following minimum information: (a) both tabular and graphical summaries of all data obtained during the year; (b) groundwater contour maps and pollutant concentration maps containing all data obtained during the previous year;