000			00461nam a22001577a 4500
003			OSt
022			_a298
060			_aWA675
110			_aMedical Research Institute, Sri Lanka Standard Institute
245			_aSpecification for potable water _bPart 1- Physical and chemical requirements
250			_aShelf - Policies & guidelines
260			_aSri Lanka _bSri Lanka Standard Institute _c1983
300			_a620 p.
650			_aWater quality
942			_2nlm _cGEN
999			_c298 _d298