TY  - BOOK
TI  - Methods for chemical analysis of water and wastes / 
SN  - 9781289181666
U1  - 628.161 
PY  - 1971///
CY  - Cincinnati
PB  - Environmental Protection Agency, Analytical Quality Control Laboratory; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington]
KW  - Water
KW  - Analysis
KW  - Sewage
N1  - Includes bibliographical references
ER  -