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Table 3. Threshold Comparison Results for Mashpee Sewer Commission Scenarios: Popponesset Bay <br /> Comparison of TN concentrations for present conditions,threshold loading,and three modeled buildout loading scenarios for the Popponesset <br /> Bay system. TMDL/MEP threshold concentrations for Popponesset Bay are 0.380 mgtL TN for eelgrass(primary),and between 0.400 and <br /> 0.500 mg/L TN for infauna(secondary). The TMDL for all components of the Popponesset Bay system is 0.38 mgtl total nitrogen. All <br /> scenarios meet the TMDL/MEP Thresholds. <br /> Habitat Present TMDL/ME' Scenario Option 1A Scenario Option 113 Scenario Option I <br /> TMDL section threshold Threshold <br /> m 1L m m L m m /L <br /> Popponesset Ba -head eel ass 0.464 0.38 0.354 0.366 0:381 <br /> Mash pee River-mid to lower infauna 0.712 0.4 0.5 0.447 0.474 0.442 <br /> Shoestring Bay-upper to lower infauna 0.631 0.4-0.5 0.433 0.440 0.481 <br /> Ockwa Bay-u er infauna 0.567 0.4-0.5 0.413 0.436 "0.451 <br /> Note: shaded cells indicate Scenarios that meet TMDLIMEP thresholds for eel ass or infauna. <br />