000 00534nam a22002057a 4500
015 _a3407
041 _a1
080 _a628.16
_bCOS
110 _aAdministrator of the environmental protection agency
245 _aThe cost of clean water
260 _aUnited States Government printing office
_bWashington
_c1971
300 _a128p.
490 _aVolume I & II
650 _aEngineering
852 _a4R4-4
999 _c3508
_d3508