BUREAU OF INDIAN STANDARDS IS : 3025 (PAR 45) 1993 INDIAN STANDARD METHODS OF SAMPLING AND TEST (PHYSICAL AND CHEMICAL) FOR WAT - 1ST ED. REP. 2007 - NEW DELHI BUREAU OF INDIAN STANDARDS. 1993 - 9 Subjects--Topical Terms: METHODS OF SAMPLING AND TEST Dewey Class. No.: 624 / BUR