000			00576 a2200205 4500
999			_c340227 _d340227
003			OSt
008			200317b ||||| |||| 00| 0 eng d
020			_a9780070532441
080			_a628:504 _bSAW
100			_aSawyer, Clair N
245			_aChemistry for environmental engineering and science. Ed.5
250			_a5th ed.
260			_aNew Delhi _bMc Graw Hill _c2015
300			_axvi, 752p.
650			_a628:504 _xSanitary engineering
650			_xEnvironmental chemistry
653			_aCE 601 _aCE 701A
700			_aParkin, Gene F _aMcCarty,Perry L
942			_cBK _2ddc