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(c) Injection rate/flow rate shall be measured in the <br /> supply line immediately before the wellhead. <br /> (d) All monitoring and recording equipment shall be <br /> calibrated. on a . regular basis.- The permittee shall . <br /> submit, to the Director, a report describing the <br /> calibration procedures and the frequency at which the <br /> equipment will be calibrated. <br /> (e) The permittee shall submit, to the Director, a report <br /> identifying the types of tests and methods used to gen- <br /> erate the monitoring data as specified by 40 CFR §136.3 <br /> or Appendix III of 40 CFR §261. When the analytical <br /> method for a particular parameter is not specified in <br /> either 40 CFR §136. 3 or Appendix III of 40 CFR §261, <br /> the permittee must obtain EPA approval of the types of <br /> tests and methods used to generate the monitoring data. <br /> This report must be submitted for approval by EPA a <br /> minimum of thirty ( 30) days prior to collecting <br /> monitoring data for the first Quarterly Report and any <br /> time the monitoring procedures are changed or modified <br /> for subsequent reporting periods. <br /> (f) The permittee shall notify the Director 30 days prior <br /> to collecting the first set of samples and any time the <br /> permittee plans to change the method of collecting or <br /> analyzing samples. Unless the Director approves any <br /> requested changes in the methods of sampling and <br /> analysis the permittee shall not deviate from the ap- <br /> proved sampling and analysis plan. <br /> 2 . Injection Fluid Analysis [§146. 13 (b) (1) ] <br /> Injection fluids shall be analyzed no less frequently than indi- <br /> cated for the following parameters: <br /> Monitoring <br /> Parameter Frequency Sample Type <br /> specific gravity, unitless monthly grab <br /> conductivity, mhos monthly grab <br /> hardness, mg/l as CaCO3 monthly grab <br /> total dissolved solids, mg/l monthly grab <br /> pH, standard units monthly grab <br /> volatile organic compounds (VOC) ug/l <br /> trichloroethylene monthly* grab <br /> carbon tetrachloride monthly* grab <br /> vinyl chloride monthly* grab <br /> 1,2 - dichloroethane monthly* grab <br /> benzene monthly* grab <br /> para-dichlorobenzene monthly* grab <br /> 1,1 - dichloroethylene monthly* grab <br /> 1, 1, 1 - trichloroethane monthly* grab <br /> 15 <br />