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<br />PART I <br />Page 3 of 19 <br />C~ <br />C. FOOTNOTES (Continued) <br />e1 - Definitions of Sample Type (Continued) <br />6. Aa "ia-situ" measurement, for monitoring requirements, is defined <br />as a single reading, observation or measurement taken is the field <br />at the point of discharge. <br />f/ - Ia the event an oil sheen is observed, a grab sample shall be <br />collected, analyzed, and reported. Ia addition, corrective action <br />shall be taken immediately to mitigate the discharge of oil sad <br />grease. <br />g/ - Salinity shall be measured as Total Dissolved Solids (TDS). Where <br /> based on a minimum of 5 samples, the permittee demonstrates, to the <br /> satisfaction of the Water Quality Control Division, that the level of <br /> TDS in the effluent can be calculated based upon the level of <br /> electrical conductivity, the permittee may measure and report <br /> salinity in terms of electrical conductivity. <br />h/ - Salinity shall be sampled on a monthly basis until siz samples have <br />• been analyzed. A report of "No Discharge" shall not be counted as <br />one of the siz sampled. Thereafter, monitoring shall continue on a <br /> quarterly basis. Following submittal of initial siz sets of monthly <br /> data, the Division shall determine whether the permittee is required <br /> to submit a report addressing salt removal is accordance with <br /> Regulations For Implementation of the Colorado River Salinity. <br /> Standards Through the NPDES Permit Program 3.10.0. If the salinity <br /> report is required, the Division shall so advise the permittee by <br /> letter sad the report shall be submitted within 180 days. <br />i/ - This parameter is subject to 'Noncompliance Notification" <br /> requirements of Part II.A.3.b.v of this permit. <br />~/ - Procedure for determining settleable solids is contained is 40 CFR <br /> 434.64. The method detection limit for measuring settleable solids <br /> wader this part shall be 0.4 ml/1. <br />k/ - Should a precipitation event occur which is greater than the 10-year, <br />24-hour event, the permittee shall submit rain gauge or other <br />appropriate documentation is order for an exemption to be claimed. <br />In lieu of such documenation, limitations contained is Part I.A.1(b), <br />shall apply. Documentation shall be reported as as attachment to the <br />Discharge Monitoring Report (DMR) for the appropriate period. <br />C ~ <br />J <br />Code: i - 17 Date: 1 - 84 <br />