000 00403nam a2200109Ia 4500
082 _aIS Code
_bI.S.I
100 _aBureau of Indian Standards[BIS]
245 _aIS:3025-(Pt.36)-1987. Indian standard methods of sampling and test (physical and chemical) for water and waste water. Pt.36 : ozone residual.
260 _aNew Delhi
_bBureau of Indian Standards
_c1997
300 _a2p.
890 _aIndia
999 _c18767
_d18767