Standard methods for the examination of water and wastewater:    Selected analytical methods approved and cited by the United States environmental protection agency. 

 - Washington:   APHA,   1981 
 - S106 p.:    tablas; diagramas; 
<br/><br/> Prepared and published by: APHA, AWWA, WPCF  Suplemento de: 'Standard methods for the examination of water and wastewater'  Impreso a dos columnas  Notas de pie de página  Bibliografía al final de cada tema 
<br/><br/>Ed. anterior: Standard methods for the examination of water and wastewater. 14.ed.. Inventario: 26751 Ed. anterior: Standard methods for the examination of water and wastewater. 22.ed.. Inventario: 50827 
<br/><br/><label>ISBN: </label>087553094X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUA<br/>AGUAS RESIDUALES<br/>PROTECCIÓN<br/>MEDIO AMBIENTE<br/>INFORME DE IMPACTO AMBIENTAL