APPENDIX L. Acute and Chronic Risk Quotients Calculated for Aquatic Organismsfor Aerial and Ground Applications ofEndosulfans.Table L-1. Acute and Chronic Risk QuotientsCalculated for Aquatic Organisms for Aerialand Ground Applications of Endosulfans.Surface Water EECs (ppb)Freshwater FishEstuarine/Marine FishFreshwaterInvertebrateEstuarine/ MarineInvertebrateScenarioCrop Represented1CropApplicationTypePeak21-day60-dayAcuteRQ2ChronicRQ3AcuteRQ2ChronicRQ3AcuteRQ4ChronicRQ5AcuteRQ4ChronicRQ5Aerial3.521.0440.62935.227.339.114.05.094.988.080.3CA almondAlmonds, HazelnutsWalnuts, andMacadamia nutsGround2.120.8420.59521.225.923.613.23.076.553.064.8Aerial13.235.1493.591132.3156.1147.079.818.9468.1330.8396.1FL citrs-nbCitrs-nbGround14.035.3943.724140.3161.9155.982.820.0490.4350.8414.9Aerial3.350.9140.45133.519.637.210.04.883.183.870.3CA citrusCitrs-nbGround1.440.4740.29714.412.916.06.62.143.136.036.5Aerial4.891.7961.26848.955.154.328.27.0163.3122.3138.2Broccoli, Cabbage,Cauliflower &KohlrabiGround4.931.8171.22649.353.354.827.27.0165.2123.3139.8Aerial2.360.8950.6323.627.426.214.03.481.459.068.8Collards & MustardGreenGround2.390.9060.60723.926.426.613.53.482.459.869.7Aerial1.770.670.47317.720.619.710.52.560.944.351.5FL cabbageKale (other States)Ground1.80.6790.45518.019.820.010.12.661.745.052.2Aerial5.342.6721.80553.478.559.340.17.6242.9133.5205.5Broccoli, Cabbage& CauliflowerGround4.172.1391.61641.770.346.335.96.0194.5104.3164.5Aerial2.030.7950.51320.322.322.611.42.972.350.861.2CA cole cropsCollards, Kale &Mustard GreenGround1.310.6270.42713.118.614.69.51.957.032.848.2Aerial3.591.6011.17235.951.039.926.05.1145.589.8123.2FL sweet cornGround3.671.541.16136.750.540.825.85.2140.091.8118.5Aerial2.61.2151.04926.045.628.923.33.7110.565.093.5OR sweet cornSweet corn for freshmarket onlyGround2.781.3491.19227.851.830.926.54.0122.669.5103.8Aerial3.111.1730.831.134.834.617.84.4106.677.890.2CA cornSweet corn for freshmarket onlyGround2.951.1380.7629.533.032.816.94.2103.573.887.5L-1Surface Water EECs (ppb)Freshwater FishEstuarine/Marine FishFreshwaterInvertebrateEstuarine/ MarineInvertebrateCropAcuteChronicAcuteChronicAcuteChronicAcuteChronicApplicationCrop Represented1ScenarioTypePeak21-day60-dayRQ2RQ3RQ2RQ3RQ4RQ5RQ4RQ5Aerial10.313.972.655103.1115.4114.659.014.7360.9257.8305.4MS cottonGround13.55.2823.565135.0155.0150.079.219.3480.2337.5406.3Aerial9.84.9943.26198.0141.8108.972.514.0454.0245.0384.2NC cottonGround13.56.8164.395135.0191.1150.097.719.3619.6337.5524.3Aerial11.994.3982.808119.9122.1133.262.417.1399.8299.8338.3S-TX cottonGround16.525.983.706165.2161.1183.682.423.6543.6413.0460.0Aerial10.263.7832.275102.698.9114.050.614.7343.9256.5291.0TX cottonCottonGround13.195.1633.073131.9133.6146.668.318.8469.4329.8397.2Aerial1.580.8380.60415.826.317.613.42.376.239.564.5CA cottonCottonGround2.250.9280.7522.532.625.016.73.284.456.371.4Aerial6.22.8031.98762.086.468.944.28.9254.8155.0215.6GA peachesGround5.391.8030.99553.943.359.922.17.7163.9134.8138.7Aerial6.352.8031.98763.586.470.644.29.1254.8158.8215.6MI cherriesGround8.143.4172.18481.495.090.448.511.6310.6203.5262.8Aerial4.441.8291.2644.454.849.328.06.3166.3111.0140.7NC applesGround6.962.2891.39969.660.877.331.19.9208.1174.0176.1Aerial3.841.3290.91838.439.942.720.45.5120.896.0102.2OR applesGround2.331.0350.82523.335.925.918.33.394.158.379.6Aerial5.342.221.36853.459.559.330.47.6201.8133.5170.8PA applesGround5.461.8641.10654.648.160.724.67.8169.5136.5143.4Aerial3.40.9560.50334.021.937.811.24.986.985.073.5WA orchardsAppleApricot, , Nectarine& PeachGround2.270.6560.37422.716.325.28.33.259.656.850.5Aerial1.480.7780.55914.824.316.412.42.170.737.059.8OR applesGround1.460.6460.51514.622.416.211.42.158.736.549.7Aerial1.190.5420.29711.912.913.26.61.749.329.841.7WA orchardsCherry, Pear, Plum& PruneGround0.70.2350.1337.05.87.83.01.021.417.518.1Aerial3.451.030.54234.523.638.312.04.993.686.379.2CA fruitsApple, Apricot,Cherry, Nectarine,Peach, Pear, Plum &Ground0.820.2630.1788.27.79.14.01.223.920.520.2L-2Surface Water EECs (ppb)Freshwater FishEstuarine/Marine FishFreshwaterInvertebrateEstuarine/ MarineInvertebrateCropAcuteChronicAcuteChronicAcuteChronicAcuteChronicApplicationCrop Represented1ScenarioTypePeak21-day60-dayRQ2RQ3RQ2RQ3RQ4RQ5RQ4RQ5PruneAerial6.132.6661.90761.382.968.142.48.8242.4153.3205.1CA lettuceLettuce & BrusselsSproutsGround6.362.6321.78163.677.470.739.69.1239.3159.0202.5Aerial5.942.5271.63259.471.066.036.38.5229.7148.5194.4FL cucumberGround5.822.1161.43758.262.564.731.98.3192.4145.5162.8Aerial1.880.910.64118.827.920.914.22.782.747.070.0MI melonGround1.560.6390.41215.617.917.39.22.258.139.049.2Aerial5.132.0741.53351.366.757.034.17.3188.5128.3159.5MO melonGround5.062.0271.45350.663.256.232.37.2184.3126.5155.9Aerial4.931.7561.21749.352.954.827.07.0159.6123.3135.1NJ melonGround5.031.7291.1450.349.655.925.37.2157.2125.8133.0Cucurbits(Cucumber, Melons,Pumpkin &Squash), andEggplant (Otherstates)Aerial10.314.1122.79103.1121.3114.662.014.7373.8257.8316.3S-TX melonGround11.14.3452.842111.0123.6123.363.215.9395.0277.5334.2Aerial1.60.8330.62716.027.317.813.92.375.740.064.1Cucurbits(Cucumber, Melons,Pumpkin & Squash)Ground2.811.0340.70428.130.631.215.64.094.070.379.5Aerial0.740.2420.1357.45.98.23.01.122.018.518.6CA melonEggplant (CA)Ground1.290.50.34112.914.814.37.61.845.532.338.5Aerial10.154.493.581101.5155.7112.879.614.5408.2253.8345.4FL nurseryGround10.454.5363.619104.5157.3116.180.414.9412.4261.3348.9Aerial4.52.5091.85345.080.650.041.26.4228.1112.5193.0MI nurseryGround4.412.1691.58344.168.849.035.26.3197.2110.3166.8Aerial10.293.5192.412102.9104.9114.353.614.7319.9257.3270.7NJ nurseryGround10.553.5032.372105.5103.1117.252.715.1318.5263.8269.5Aerial1.991.1320.8519.937.022.118.92.8102.949.887.1OR nurseryGround1.390.6750.53213.923.115.411.82.061.434.851.9Aerial7.023.0082.08670.290.778.046.410.0273.5175.5231.4TN nurseryOrnamentals orShade Trees (OtherStates)Ground6.162.5661.83261.679.768.440.78.8233.3154.0197.4CA nurseryOrnamentals orAerial5.61.3781.0256.044.362.222.78.0125.3140.0106.0L-3Surface Water EECs (ppb)Freshwater FishEstuarine/Marine FishFreshwaterInvertebrateEstuarine/ MarineInvertebrateCropAcuteChronicAcuteChronicAcuteChronicAcuteChronicApplicationCrop Represented1ScenarioTypePeak21-day60-dayRQ2RQ3RQ2RQ3RQ4RQ5RQ4RQ5Shade Trees (CA)Ground4.191.4160.83941.936.546.618.66.0128.7104.8108.9Aerial6.482.5151.69764.873.872.037.79.3228.6162.0193.5FL potatoGround6.562.51.57465.668.472.935.09.4227.3164.0192.3Aerial2.010.9760.57620.125.022.312.82.988.750.375.1ID potatoGround1.090.4550.41910.918.212.19.31.641.427.335.0Aerial8.463.742.58184.6112.294.057.412.1340.0211.5287.7ME potatoGround8.923.7182.55989.2111.399.156.912.7338.0223.0286.0Aerial1.940.8610.56719.424.721.612.62.878.348.566.2WA potatoPotatoGround1.640.7160.56716.424.718.212.62.365.141.055.1Aerial12.264.6973.372122.6146.6136.274.917.5427.0306.5361.3NC sweet potatoSweet Potato (OtherStates)Ground12.654.7683.386126.5147.2140.675.218.1433.5316.3366.8Aerial2.721.0280.57127.224.830.212.73.993.568.079.1PotatoGround1.850.5770.36418.515.820.68.12.652.546.344.4Aerial1.210.6320.36312.115.813.48.11.757.530.348.6CA potatoSweet Potato (CA)Ground0.550.260.1535.56.76.13.40.823.613.820.0Aerial10.714.8933.504107.1152.3119.077.915.3444.8267.8376.4IL beansGround11.615.383.846116.1167.2129.085.516.6489.1290.3413.8Aerial5.012.4291.77350.177.155.739.47.2220.8125.3186.8MI beansGround5.12.3041.59951.069.556.735.57.3209.5127.5177.2Aerial1.860.7650.42418.618.420.79.42.769.546.558.8WA beansGround2.610.7090.48926.121.329.010.93.764.565.354.5Aerial4.582.0041.47545.864.150.932.86.5182.2114.5154.2FL peppersBeans & Peas (dry)& PepperGround4.661.9851.42746.662.051.831.76.7180.5116.5152.7Aerial2.51.0550.75925.033.027.816.93.695.962.581.2FL carrotsCarrot & CeleryGround2.441.040.75724.432.927.116.83.594.561.080.0Aerial2.230.8770.52322.322.724.811.63.279.755.867.5Beans & Peas (dry)& PepperGround1.850.7040.4518.519.620.610.02.664.046.354.2CA row cropsCarrot & CeleryAerial1.880.7530.55618.824.220.912.42.768.547.057.9L-4Surface Water EECs (ppb)Freshwater FishEstuarine/Marine FishFreshwaterInvertebrateEstuarine/ MarineInvertebrateCropAcuteChronicAcuteChronicAcuteChronicAcuteChronicApplicationCrop Represented1ScenarioTypePeak21-day60-dayRQ2RQ3RQ2RQ3RQ4RQ5RQ4RQ5Ground0.890.3780.248.910.49.95.31.334.422.329.1Aerial4.791.8921.28947.956.053.228.66.8172.0119.8145.5FL strawberryStrawberryGround5.552.1811.52655.566.361.733.97.9198.3138.8167.8Aerial3.791.7511.13437.949.342.125.25.4159.294.8134.7CA strawberryStrawberryGround3.141.2960.87131.437.934.919.44.5117.878.599.7Aerial5.391.9571.25653.954.659.927.97.7177.9134.8150.5NC tobaccoTobacco (OtherStates)Ground6.282.0891.27462.855.469.828.39.0189.9157.0160.7Aerial6.912.9272.11169.191.876.846.99.9266.1172.8225.2FL tomatoGround7.12.9482.11371.091.978.947.010.1268.0177.5226.8Aerial11.144.6582.84111.4123.5123.863.115.9423.5278.5358.3PA tomatoGround12.394.9713.009123.9130.8137.766.917.7451.9309.8382.4Aerial8.072.8051.86980.781.389.741.511.5255.0201.8215.8S-TX VegetablesTomatoGround8.352.8621.87383.581.492.841.611.9260.2208.8220.2Aerial1.830.8220.45818.319.920.310.22.674.745.863.2CA tomatoTomatoGround2.080.720.46320.820.123.110.33.065.552.055.4Aerial2.230.7980.48922.321.324.810.93.272.555.861.4OR berriesBlueberry (OtherStates)Ground1.170.4990.39911.717.313.08.91.745.429.338.4OR berries (withW22521 met filefrom Hawaii)Pineapple (Hawaii)Aerial11.984.662.86119.8124.3133.163.517.1423.8299.5358.6Ground12.344.682.68123.4116.3137.159.417.6425.3308.4359.8Freshwater FishEstuarine/Marine FishFreshwaterInvertebrateEstuarine/ MarineInvertebrateAcuteRQChronicRQAcuteRQChronicRQAcuteRQChronicRQAcuteRQChronicRQmin5.55.86.13.00.821.413.818.1max165.2191.1183.697.723.6619.6413.0524.31SeeTable 3.30andTable 3.33for additional description of the crop use categories and exposurescenarios modeled. CA eggplantrepresented by CA melon withapplication rates specific to eggplantL-52Acute RQ values calculated using the peak EEC for total endosulfan (ά+β+ sulfate) divided by the acute LC50of 0.1 μg a.i./L for freshwater fish based on common carp(Sunderam et al. 1992; ECOTOX 5850) and the acute LC50of 0.09 μg a.i./L for estuarine/marine fish based on spot (MRID 5005824)3Chronic RQ calculated using the 60-d EEC for total endosulfan (ά+β+ sulfate) divided by the estimated chronic NOAEC of 0.023 μg a.i./Lfor common carp and theestimated chronic NOAEC of 0.045 μg a.i./L for spot (seeSection 4.1for details on estimation of the chronic NOAECs).4Acute RQ values calculated using the peak EEC for total endosulfan (ά+β+ sulfate) divided by the acute LC50of 0.7 μg a.i./L for freshwater invertebrates based onmayfly (Leonard, et al. 2001; ECOTOX 62479) and the acute LC50of 0.04 μg a.i./L for estuarine/marine invertebrates based on pink shrimp (MRID 5005824)5Chronic RQ calculated using the 21-d EEC for total endosulfan (ά+β+ sulfate) divided by the estimated chronic NOAEC of 0.011 μg a.i./L for mayfly and the estimatedchronic NOAEC of 0.013 μg a.i./L for pink shrimp (seeSection 4.1for details on estimation of the chronic NOAEC).L-6