TY - BOOK ED - CH2M Hill, inc. ED - Puerto Rico. TI - Request for a water quality certificate and definition of a mixing zone for Mayagüez Water Treatment Company PY - 1994/// CY - [S.l. PB - s.n.] KW - Water quality management KW - Puerto Rico KW - Mayagüez KW - Water quality bioassay KW - Local N1 - Tables; "July 26, 1994."; Appendices I-IV -- Appendices V-IX ER -