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PART I <br />Page 19 <br />Permit No. COG-600000 <br />C. MONITORING REQUIREMENTS <br />1. Frequency and Sample Tvtx (cont.) <br />e. Facilities discharging wastewazer from commercial mobile cleaning vehicles such as steam <br />cleaning, carpet cleaning, and pressure washing (including building washing) shall monitor <br />all effluent parameters listed az the following frequencies using the listed sample type uNess <br />different frequencies are listed on the facility certification. <br />Effluen: Parameter Measurement Frequent <br />Flow, gpm Twice per Discharge <br />Total Susptmded Solids, mg/f Twice per Discharge <br />pH, s.u. Twice per Discharge <br />Oil and Grease. mg/t Twice per Discharge <br />Total Phosphorus as P, mg/L Sce I.C.2. Monthly <br />y Sarnole Tvtx <br />Instantaneous <br />Grab <br />Grab <br />Visual See I.D.13 <br />Grab <br />Twitx per discharge sampling shall be conducted az the begiming and end of the testing period. <br />• <br />f. Facilities discharging groundwater from foundation, basergent, or underground structure <br />dewateriag shall monitor all effluegt parameters listed az the following frequencitx using the <br />listed sample type unless different frequencies are listed on the facility certification. <br />Effluent Parameter Measuremegt Frewencv Sample Tvtx <br />Flow, gpm Weekly Instantaneous <br />Total Suspended Solids, mg/f Monthly Grab <br />pH, s.u. Weekly Grab <br />Oil and Grease, mg/P Wcekly Visual See I.D.13. <br />Total Phosphorus as P, mg/1 See I.C.2. Montlily Grab <br />• <br />