00766 a2200241 4500020001500000082001700015090001700032100002700049245006500076250001300141260006300154300002500217650001600242650001600258650001600274650001000290700003100300700002900331700002600360942000700386999001700393952011400410 a0875530478 a628.161bSTA c27507d47645 aEaton, Andrew D. eed. aStandard methods for the examination of water and wastewater a21st ed. aWashingtonbAmerican public health associationc1995g2005 axl,1325p.billc29cm awaste water aEngineering aEnvironment awater aGreenberg, Arnold E. eed. aClesceri, Lenore S eed. aRice, Eugene W. eed. cPR c54229d54229 001040708REFaMKDLbMKDLcREFd2012-01-11l0o628.161STAp65621r2012-01-11 00:00:00v0.00w2016-10-31yPR