FIELD DOCUMENTS - Laserfiche WebLink

Home Browse Search

A Page 23 of 27 A. Representative Sampling Samples and measurements taken as required herein shall be representative of the volume and nature of the monitored discharge. All samples shall be taken at the monitoring points specified in this permit and,unless otherwise specified,before the effluent joins or is diluted by any other waste stream,body of water or substance. All equipment used for sampling and analysis must be routinely calibrated,inspected and maintained to ensure their accuracy. Monitoring points shall not be changed without notification to and approval by the City. B. Flow Measurements If flow measurement is required by this permit, the appropriate flow measurement devices and methods consistent with approved scientific practices shall be selected and used to ensure the accuracy and reliability for measurements of the volume of monitored discharges. The devices shall be installed, calibrated, and maintained to ensure that the accuracy of the measurements are consistent with the accepted capability of that type of device. Devices selected shall be capable of measuring flows with a maximum deviation of less than 10 percent from true discharge rates throughout the range of expected discharge volumes. C'. Analytical Methods.to Demonstrate Continued Compliance All sampling and analysis required by this permit shall be performed in accordance with the techniques prescribed in 40 CFR Part 136-and amendments thereto, otherwise approved by EPA, or as specified in this pen-nit. D. Retention of Records 1. The permittee shall retain record of all.monitoring information; including all calibration and maintenance records and all original strip chart recordings for continuous monitoring instrumentation, copies of all reports required by this permit, and records of all data used to complete the application for this permit, for a period of at least three years from the date of.the sample,measurement,report or application. The period may be extended by request of the City at any time. 2. All records that pertain to matters that are the subject of special orders or any other enforcement or litigation'activities brought by the City shall be retained and preserved by the pennittee until all enforcement activities have concluded and all periods of limitation with respect to any and all appeals have expired. E. Record Contents Records of sampling and analyses shall include: Permit No. 05-3 Cardoza Enterprises