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COLORADO DEPARTMENT OF IIF.ALT7i, Water Quality Control Division Rationale -Page 9, Pmnit No. CO-0034142 Table V-3 - St(~ Motritoring Results (On(fa11022) :.. .............. ,.. - : :..:.:.:..::.,:::;.:::::.:::.:.....:.-:.:::.:::./ Samples: ;:.::.::;..;;: ; ::;:.::.;;Repaired.:'.:::;'; :::...' Prevrous; : No:: ol.!:.:.. or Repakng.:::::::::; Gairesntialionr :.......: :::.Permit..:.' ...:.:.,I:itnit:: ;:.. ,. Parameter;;:.''c :::::..:.::::::::.::::.::::;;::' ..:::.'::!:.....:Perrod; :,::'..::::;:!:::!:':=A.:...:Min/Mar.:' ..::.: .:::.: Limit:. ;Excursions.':: Flow, MGD 52 0.036/0.0007/0.106 3.223'ot - 0 Oil & Grease, mgR 32 0.0/0.0/0.0 10 a~ 0 7SS, mgR 24 12.3/2/76 35/70 tit 2 pN, s. u. 52 7.75/7.2/8.7 6.0-9.d'~ 0 7DS, mgR 6 1193/1138/1234 Report °1 NA /ton (IR), mgR I3 0.22/0.02/0.31 1.0/2.0 ai 0 Zinc (lR), mgR 24 0.018/0.01/0.06 0.23/0.46 roi 0 ~~~ Limit reflects 30day average and the combined flow from outfalLs 003, 022, and 024 shall not exceed 2,240 gpm (3.225 MGD). Average, minimum, and maximum flows were determined from the 30-dcry average flows reported. The permittee is also required to report iutamaneous maxitruuns. Highest value reported its 0.1911 MGD (132 gpm). ~'' Limit is an instantaneous maxbmun No analysts wire run since no visual oil sheen was observed. "~ Limit reflecu 30day average/7~ay averages Average, minimum, and maximum concentrations were determined from reported 30-day and 7day average concentrations. t'~ Limit is a minimum maximum limitation. Average, minimum, and maximum concentrations were determined from reported minimum and maxbmun values. ai Perminee required to report 90day average 7DS concentrarion. Average, minimum, and maximum concentrations were determined from the reported 90-day outrage concentratianr. "~ Limit reflects 30day average/daily maxitrurm. Average, minimum, and maximum concentrations were determined from the reported 30-day average and daily maximum concentrations.