BUREAU OF INDIAN STANDARDS IS : 3025 (PAR 24) 1986 INDIAN STANDARD METHODS OF SAMPLING AND TEST (PHYSICAL AND CHEMICAL) FOR WAT - 3RD ED. REP. 1998 - NEW DELHI BUREAU OF INDIAN STANDARDS. 1986 - 5 Subjects--Topical Terms: METHODS OF SAMPLING AND TEST Dewey Class. No.: 624 / BUR