大肠菌群最可能数(MPN)检索表阳性管数MPN95%可信限阳性管数MPN95%可信限0.10.010.001上限下限0.10.010.001上限下限000<3.09.5220214.5420013.00.159.6221288.7940103.00.1511222358.7940116.11.218230298.7940206.21.218231368.7940309.43.638300234.6941003.60.1718301388.71101017.21.3183026417180102113.6383104391801107.41.3203117517200111113.63831212037420120113.64231316040420121154.5423209318420130164.542321150374202009.21.43832221040430201143.642323290901000202204.542330240421000210153.742331460902000211204.54233211001804100212278.794333>1100420注1：本表采用3个稀释度【O.lg(mL)、O.Olg(mL)和0.OOlg(mL)］，每个稀释度接种3管。
注2：表内所列检样量如改用1g(mL)、0.1g(mL)和0.01g(mL)时，表内数字应相应降低10倍；如改用0.01g(mL)、0.001g(mL)0.0001g(mL)时，则表内数字应相应提高10倍，其余类推大肠菌群最可能数（MPN）检索表。