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PART I <br /> Page 15 of 67 <br /> Permit No.:COG500000 <br /> c. Industrial Sand(SIC code 1446)(continued) <br /> Table C.1.4—Applicable Limitations for process-generated wastewater from facilities that use HF Flotation <br /> Limitations Monitoring Frequency <br /> ICIS Parameter 30 day 7 day Dail Max. 2 year Minor Major Sample <br /> Code average average y average Facilities Facilities p <br /> General Permit Requirements <br /> Limit in Monthly 2x/month Recorder/ <br /> 50050 Flow, MGDI --- Report ---- (Continuous or (Continuous or <br /> cert. Instantaneous2) InstantaneousZ) In-situ <br /> 00400 pH,s.u. ---- ---- 6.5-9.0 ---- 2x/month Weekly Grab <br /> 84066 Oil and Grease, <br /> ---- ---- ---- ---- 2x/month Weekly Visual' <br /> mg/I <br /> 03582 Oil and Grease, 10 ---- Contingent Weekly Grab' <br /> mg/I <br /> 00951 Total Fluoride, <br /> ---- ---- 2.0 ---- 2x/month 2x/month Grab <br /> mg/l9 <br /> Federal Effluent Limitation Guidelines <br /> 51412 Total Suspended 0.023 Ibs 0.046 Ibs <br /> Solids, Ibs/1000 per 1,000 per 1,000 ---- 2x/month 2x/month Calculated <br /> Ibs production' Ibs total Ibs total <br /> product product <br /> 00951 Total Fluoride, 0.003 Ibs 0.006 Ibs <br /> Ibs/1000 Ibs per 1,000 per 1,000 ---- 2x/month 2x/month Calculated <br /> production" Ibs total Ibs total <br /> product product <br /> Site Specific Requirements <br /> 515001 Flow,Total, MG' Report Continuous or Continuous or <br /> Quarterly ---- ---- ---- Instantaneous2 InstantaneousZ Calculated <br /> Total <br /> 51500 EG Flow,Total, MG' Report ---- ---- ---- <br /> Continuous or Continuous or Calculated <br /> Monthly Total Instantaneous2 Instantaneous <br /> 70295 Total Dissolved Report ---- Quarterly Quarterly Grab <br /> Solids,mg/I5 00665 Total Phosphorus Various Various Various ---- Various Various Composite <br /> (as P), mg/I <br /> 00665 Total Phosphorus Various ---- ---- Various Various Calculated <br /> (as P),Ib/month6 <br /> 00665 Total Phosphorous, <br /> cumulative <br /> Ibs/previous 12 Various ---- ---- ---- Various Various Calculated <br /> consecutive <br /> months <br /> 01323 Selenium, <br /> Potentially Various ---- Various Various 2x/month Weekly Grab <br /> Dissolved,µg/I <br /> 01323 Selenium, <br /> Potentially Various ---- Various ---- 2x/month Weekly Calculated <br /> Dissolved, Ibs/da ' <br /> 00094 Electrical <br /> Conductivity(EC), Various ---- ---- ---- Quarterly Quarterly Grab <br /> dS/m <br />