united states environmental protection agency economic analysis for the proposed section 316 b rule phase iii facilities november 2004 us office of water 4303t 1200 pennsylvania avenue nw washington dc 20460 epa 821 r 04 016 acknowledgments and disclaimer this document was prepared by staff following contractors provided assistance support in performing underlying supporting conclusions detailed abt associates inc parts a d e eastern research group part c icf consulting science applications international corporation stratus tetra tech has reviewed approved publication technology directed managed work preparing neither government nor any its employees subcontractors or their makes warranty expressed implied assumes legal liability responsibility third party s use results such information apparatus product process discussed represents that would not infringe on privately owned rights