821 b 05 003 2005 annual screening level analysis supporting the review of existing effluent limitations guidelines and standards identification potential new categories for us environmental protection agency engineering division office water 1200 pennsylvania avenue nw washington dc 20460 august acknowledgment disclaimer this report was prepared with technical support eastern research group inc under direction science technology neither united states government nor any its employees contractors subcontractors or their make warrant expressed implied assume legal liability responsibility third party s use results such information apparatus product process discussed in represents that by would not infringe on privately owned rights primary contacts regarding questions comments document are carey johnston epa 4303t 202 566 1014 telephone 1053 fax gov jan matuszko