mp&m qxd page 15 10 pm 3 27 2003 economic environmental and benefits analysis of the final metal products & machinery rule 2 printed on paper containing at least 30 postconsumer recovered fiber us protection agency office water 4303t 1200 pennsylvania avenue nw washington dc 20460 epa 821 b 03 002 document for effluent limitations guidelines standards point source category christine todd whitman administrator g tracy mehan iii assistant geoffrey h grubbs director science technology sheila e frace engineering division nicolaas bouwes chief assessment branch william anderson technical coordinator lynne tudor economist james c covington february acknowledgments disclaimer would like to acknowledge contributions lynn zipf nicolass development this in addition acknowledges contribution abt associates westat eastern research group application international corporation neither united states government