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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2009-0049 -22- SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS HARNEY LANE LANDFILL SAN JOAQUIN COUNTY 2) Evidence of odors - presence or absence, characterization, source, and distance of travel from source; and 3) Evidence of erosion and/or of day-lighted refuse. ii. Along the perimeter of the Unit: 1) Evidence of liquid leaving or entering the Unit, estimated size of affected area, and flow rate (show affected area on map); 2) Evidence of odors - presence or absence, characterization, source, and distance of travel from source; and 3) Evidence of erosion and/or of day-lighted refuse. iii. For receiving waters: 1) Floating and suspended materials of waste origin - presence or absence, source, and size of affected area; 2) Discoloration and turbidity - description of color, source, and size of affected area; 3) Evidence of odors - presence or absence, characterization, source, and distance of travel from source; 4) Evidence of water uses - presence of water-associated wildlife; 5) Flow rate; and 6) Weather conditions - wind direction and estimated velocity, total precipitation during recent days and on the day of observation. 7. The Discharger shall report by telephone any seepage from the disposal area immediately after it is discovered. A written report shall be filed with the Regional Water Board within seven days, containing at least the following information: a. A map showing the location(s) of seepage, b. An estimate of the flow rate; c. A description of the nature of the discharge (e.g., all pertinent observations and analyses), d. Verification that samples have been submitted for analyses of the COCs and Monitoring Parameters, and an estimated date that the results will be submitted to the Regional Water Board; and e. Corrective measures underway or proposed, and corresponding time schedule. 8. The Discharger shall submit an Annual Monitoring Summary Report to the Regional Water Board covering the reporting period of the previous monitoring year. This report shall contain: a. All monitoring parameters and COCs shall be graphed to show historical trends at each monitoring point and background monitoring point, for all samples taken within at least the previous five calendar years. Each such graph shall plot the concentration of one or more constituents for the period of record for a given monitoring point or background monitoring point, at a scale appropriate to show trends or variations in water quality. The graphs