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PARrI <br />Pagf 6 <br />Permit No. COG-SOOOOn <br />EFFLUENT LIMITATIONS AND CONDITIONS -PROCESS WATER DISCHARGE <br />2. Industry-Specific Ntrmeric Limitations (continued) <br />c. No process water discharge will be coveted under this permit or authorized by cemfication for dischazges wtithdte mineral mitring <br />and processing point source category of40 CFR 436 - subparts E (gypsum), F (asphaltic mineral), G (asbestos and wollastortite), J <br />(barite), K (fluorspaz), L (salines from brine lakes), M (borax), N (potash), O (sodium sulfate), V (bentonite), W (magnesite), X <br />(diatomite), Y (jade), Z (novaculite), AF (tripoli). <br />3. Monitorin¢ Reouirements <br />In order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Part LB, the <br />permittee shall monitor all effluent pazameters at the following required frequencies. <br />`.,'s ~.~.~~r~~-4 -r~-~ ,~ <br />~< ~E* a' Parameteia K ~ '~*'' -w" <br />j~3 .,'„ '~~:..= s ~~f ~ ~'`~ x°-.. <br />~,,f_ ~ ;~ <br /> <br />,$ ~ 't` IvleasurementFie iienc ~, r.+ x>_ ~ '', ~.. _ <br />~ ~~'. ~= 4 Y ~:: a ~~5~= h, . $~Ple-Type ~.:- .:~`, :: <br />Flow, MGD Weekly Instantaneous <br />pH, sir. (minimum-maximum) Monthly In-situ <br />Total Suspended Solids, mg/1 Monthly Grab <br />Oil & Grease, mgll Weekly Visual See I.E.9. <br />Total Dissolved Solids, mg/1 • Quarterly Grab <br />Total Phosphorus (as P) mg/1 •' Monthly Grab <br />' Applicable to waters of the Colorado River Basin Only. See LD.H.a. - <br />" Applicablc to waters listed in I.D.B.b. <br />3eif-rnoni[oring samples takrn in compliance with the monitoring requvcmrnt5 specified above shall be takrn at the point of dischazge before en[cring waters of [he Stain. <br />4. Flow Measurine Device <br />If not already a part of the permitted facility, within ninety (90) days afrer the effective date of the certification, a flow measuring <br />device shall be installed to give representative values of effluent quantities at the respective dischazge points. A flow measturng <br />device will be applicable at all designated discharge points of process water. The flow may also be determined by using the pump <br />capacity multiplied by the length of time the pump is operated, if the accuracy requirement (see below) is met. <br />When the facility is not operating, and no discharge is occurring (e.g., if it is shut down for the winter), a flow measuring device is <br />not required to be on site. <br />At the request of the Water Quality Control Division, or the Environmental Protection Agency, dte permittee shall showproofofthe <br />accuracy of any flow-measuring device used in obtaining data submitted in the monitoring report. The flow-measuring device must <br />indicate values within ten (10) percent of the acrual flow being dischaged. <br />.,. EFFLUENT LIMITATIONS AND CONDITIONS - STORMWATER DISCHARGE <br />;This section (LC) applies to all facilities with a potential discharge of stormwater.) <br />General Limitations <br />a. Stormwater discharges from the industrial activity shall not cause or threaten [o cause pollution, contamination, or <br />degradation of any State waters. <br />b. There shall be no dischazge of sanitary wastewaters from toilets or related facilities. <br />c. No chemicals are to be added to the discharge unless the permit issuing authorit}' grants permission for the use of a specific <br />chemical. In granting the use of such chemicals, additional limitations and monitoring requirements maybe imposed. <br />d. Bulls storage structures for petroletrmproducts and other chemicals shall have adequate protection to prevent any reasonable <br />loss of the material from entering discharged waters or waters of the State. <br />c. All dischazgers must comply with the lawful requirements of counties; drainaee districts and other state or local agencies <br />regarding any discharges of stormwater to storm drain systems or other watercourses under their jurisdiction. <br />