000 00609 a2200193 4500
001 131444
003 OSt
005 20210913171134.0
008
082 _a628.3
_bS32S
100 1 _aSpellman, Frank R.
245 1 _aSpellman's standard handbook for wastewater operators
_cby Frank R. Spellman
250 _a2nd ed.
260 _aBoca Raton
_bCRC Press
_c2011
300 _a3v. (v.1:414; v.2:461; v.3:344p.)
500 _a7522 v.1; 7523 v.2; 7524 v.3
690 _aSewage disposal--Employees--Certification; Sewage disposal plants; United States
942 _2ddc
_cBK
999 _c5924
_d5924