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MONITORING AND REPORTING PROGRAM -3- <br /> LIBBEY-OWENS-FORD COMPANY <br /> LATHROP PLANT NO. 10 <br /> SAN JOAQUIN COUNTY <br /> Sampling <br /> Constituents Units Type of Sample Frequency <br /> Cobalt mg/l Grab Monthly <br /> Total Colif?rm 100 MPN/100 ml Grab Weekly <br /> Organisms <br /> 1 Trichlorotrifluoroethane Extraction Method <br /> 2 When constituent is in use <br /> 3 When using effluent for lawn irrigation <br /> If the discharge is intermittent rather than continuous, then on the first day <br /> of each intermittent discharge, the Discharger shall monitor and record data for <br /> all of the constituents listed above, after which the frequencies of analysis <br /> given in the schedule shall apply for the duration of each such intermittent <br /> discharge. In no event shall the Discharger be required to monitor and record <br /> data more often than twice the frequencies listed in the schedule. <br /> RECEIVING WATER MONITORING <br /> All receiving water samples shall be grab samples. Receiving water samples shall <br /> be taken from the following: <br /> Station Description <br /> R-1 300 feet upstream from the point of discharge <br /> R-2 600 feet downstream from the point of discharge <br /> Sampling <br /> Constituents Units Station Frequency <br /> Residual Chlorine mg/l R-1, R-2 Weekly <br /> Temperature OF R-1 , R-2 Weekly <br /> Turbidity Turbidity Units R-1 , R-2 Weekly <br /> Dissolved Oxygen mg/l R-1 , R-2 Weekly <br /> Fluoridel mg/l R-1, R-2 Weekly <br /> 1 When fluoride process is in use <br />