8/15/01: THE WELL # 3 SUBSITE IS PART OF THE HASTINGS GROU ND WATER CONTAMINATION SITE. IT IS LOCATED IN AN AREA AROUN D MUNICIPAL SUPPLY WELL 3, M-3, WHICH WAS TAKEN OUT OF SERVI CE IN THE EARLY 1980S BECAUSE OF THE CARBON TETRACHLORIDE (C CL4) CONTAMINATION FOUND TO BE PRESENT IN THE GROUND WATER P UMPED FROM M-3. FOUR OUS ARE ASSOCIATED WITH THE WELL #3 S UBSITE, RELATED TO TWO DISTINCT PLUMES OF CONTAMINATION: PLU ME 1 IS IDENTIFIED WITH CCL4 CONTAMINATION IN SOILS (OU 7) AND GROUND WATER (OU13). EPA HAS CONDUCTED REMEDIATION OF P LUME 1 CONTAMINATION 1 WITH FUNDS FROM THE HAZARDOUS SUBSTAN CE TRUST FUND AS THERE ARE NO VIABLE POTENTIALLY RESPONSIBL E PARTIES. PLUME 2 IS IDENTIFIED WITH TRICHLOROETHENE (TCE) , 1,1,1-TRICHLOROETHANE (TCA), TETRACHLOROETHENE (PCE), AND 1,1- DICHLOROETHENE (DCE)TRICHLOROETHENE (TCE), 1,1,1-TRICHL OROETHANE (TCA), TETRACHLOROETHENE (PCE), AND 1,1- DICHLOROE THENE (DCE) CONTAMINATION IN SOILS (OU 17) AND GROUND WATER (OU18). EPA HASIDENTIFIED ONE POTENTIALLY RESPONSIBLE PART Y, DUTTON-LAINSON 8/15/01: COMPANY. THIS PRE-REFERRAL CONTAINS A DRAFT CONSEN T DECREE AND STATEMENT OF WORK WHICH WOULD REQUIRE DUTTON-LA INSON TO REMEDIATE THE GROUND WATER CONTAMINATION IDENTIFIED AS PLUME 2, OU18. INITIALLY, EPA'S INVESTIGATIONS INDICATE D ONLY THE PRESENCE OF CCL 4 CONTAMINATION IN THE SOILS AND THE GROUND WATER. EPA CONDUCTED SOIL GAS INVESTIGATIONS IN 1988 AND DETERMINED THE SOURCE AREA