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r.. <br /> t-Butyl Alcohol *Once per month Grab, well mixed 001-Final discharge Below EPA 8260 <br /> (TBA) and representative detection MDL= <br /> of reporting period limit 5.0µg/l <br /> <5.0µg/1 <br /> Cadmium,Total *Once per year Grab,well mixed 001-Final discharge 2.0 mg/1 EPA 200 <br /> Chromium,Total and representative 5.0 mg/l Series <br /> Copper,Total of reporting period 6.0 mg/l <br /> Lead,Total 2.0 mg/1 <br /> Nickel,Total 5.0 mg/l <br /> Zinc,Total 7.0 mg/l <br /> Total Toxic *Once per year Grab,well mixed 001-Final discharge Total= EPA 624 <br /> Organics and representative 4.57 mg/1 and <br /> 40 CFR 413 of reporting period Benzene= EPA 625 <br /> 0.5 mg/l <br /> *If final carbon filter is changed out during the month in which samples required in this Self-monitoring Sample Schedule are <br /> collected, the samples shall be collected within 72 hours prior to final carbon filter change out. <br /> Permittee shall send reports on a monthly basis.Reports shall be submitted to the City of Stockton Environmental Control <br /> section no later than the 15th day of the following month. <br /> Reports shall include total monthly flow, in gallons,discharged to the sewer. <br /> Dates and times of all carbon filter change-outs shall be submitted with monthly discharge reports. <br /> All reports required by this permit shall include the following certification statement signed by an authorized representative: <br /> "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in <br /> accordance with a system designed to assure that qualified personnel properly gather and evaluate the information <br /> submitted. Based on my inquiry of the person or persons who manage the system,or those persons directly responsible <br /> for gathering the information, the information submitted is,to the best of my knowledge and belief,true,accurate,and <br /> complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine <br /> and imprisonment for knowing violations <br /> . Discharge of all flow to the sanitary sewer shall automatically and immediately cease upon the occurrence of a lower <br /> explosive limit meter reading equal to or greater than 10%.Permittee shall sample for total petroleum hydrocarbon, <br /> benzene,toluene,xylene,ethylbenzene and MTBE immediately after a lower explosive limit reading equal to or greater <br /> than 10%. These samples shall be in addition to regularly scheduled self-monitoring samples. Permittee shall notify the <br /> City of Stockton Environmental Control section prior to resuming discharge to the sanitary sewer <br /> Permittee shall have all flow and lower explosive limit monitoring equipment calibrated and certified by a licensed technician <br /> prior to initial discharge and then at a minimum frequency of once per six months.All documentation relating to monitoring <br /> equipment calibration and certification shall be included in the self-monitoring report for the month in which it was <br /> performed. <br /> Page 2 of 3 <br />