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• <br />MONITORING AND REPORTIPPROGRAM NO. R5-2003-XXXX <br />JOHN TAYLOR FERTILIZERS CO., INC., WILBUR-ELLIS COMPANY <br />STOCKTON FACILITY, SAN JOAQUIN COUNTY <br />Groundwater Monitoring Schedule <br />-2- <br />Constituents <br />EPA <br />Analytical <br />Method <br />Max. <br />Detection <br />Limit' <br />Monitoring Wells <br />Sampling <br />Fre uenc <br />9 y Z <br />Depth to Groundwater <br />--- <br />0.01 foot <br />all <br />Semi -Annually 3 <br />Total Oxidizable Nitrogen <br />353.2 <br />1.0 mg/1 <br />all <br />Semi -Annually 3 <br />Ammonium as Nitrogen <br />350.1 <br />0.5 mg/1 <br />MW -1, MW -4, MW -5 <br />Semi -Annually 3 <br />Volatile Organic Compounds <br />8260B <br />0.5 pg/14 <br />all <br />Semi -Annually 3 <br />Fumigants <br />504.1 <br />0.02 pg/l <br />all <br />Semi -Annually 3 <br />(including 1,2,3-trichloropropane) <br />Organophosphate Compounds <br />8141 <br />0.5 ug/15 <br />MW -1, MW -4, MW -5 <br />Semi -Annually 3 <br />Chlorinated Herbicides <br />8151 <br />0.5 pg/16 <br />all <br />Semi -Annually 3 <br />Total Petroleum Hydrocarbons as Diesel <br />8015M <br />50 pg/l <br />MW -1, MW -4, MW -5 <br />Semi -Annually 3 <br />Triazine Compounds <br />619 <br />0.5 ug/1 <br />all <br />Semi -Annually 3 <br />Carbamate/Urea Compounds <br />8321 <br />1 pg/1' <br />all <br />Semi -Annually 3 <br />For non-detectable results <br />Z New monitoring wells shall be sampled for all constituents for four consecutive quarters then may be sampled <br />semi-annually. If all constituents in an analytical suite are not detected in a new monitoring well during the first <br />four quarters, that analytical suite may be removed from the schedule for that well with Board staff concurrence. <br />3 Wells shall be sampled semi-annually during the first and third quarters. <br />4 Detection limits for bromomethane, dichlorodifluoromethane, Freon 113 and MTBE are 1 pg/1. <br />5 Detection limits for coumaphos, demeton, and dichlorvos are 1 pg/l, for fensulfothion and naled are 2.5 pg/1, for <br />mevinphos is 3.5 pg/l, and for azinphosmethyl is 5 pg/1. <br />'Detection limits for 2,4 -DB and dalapon are 1 pg/1, for MCPA and MCPP are 100 pg/l. <br />' Detection limits for barban, chlorpropham, mexacarbate, propachlor and propham are 5 pg/l. <br />REPORTING <br />N� <br />When reporting the data, the Discharger shall arrange the information in tabular form so that the,, <br />date, the constituents, and the concentrations are readily discernible. The data shall be <br />summarized in such a manner as to illustrate clearly the compliance with this Order. In addition, , <br />the Discharger shall notify the Board within 48 hours of any unscheduled shutdown of any soil <br />vapor and/or groundwater extraction system. <br />As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, <br />all reports shall be prepared by a registered professional or their subordinate and signed by the <br />registered professional. <br />Semi-annual reports shall be submitted to the Board by the 1st day of the second month - <br />following the end of each respective calendar quarter (i.e., by 1 May and 1 November) until <br />such time as the Executive Officer determines that the reports are no longer necessary. Each <br />semi-annual report shall include the following minimum information: <br />