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Record of Decision System (RODS)

BRUIN LAGOON

Abstract

Site Name:  BRUIN LAGOON
Address:  RTE 268 
City & State:  BRUIN BOROUGH  PA  16022
County:  BUTLER
 
EPA ID:  PAD980712855
EPA Region:  03
 
NPL Status:  Deleted from the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-86/025
ROD Date:  09/29/1986
Operable Unit(s):  02
 
Media:  GROUNDWATER SEDIMENTS SURFACE WATER
 
Contaminant:  ACIDS, HEAVY METALS, INORGANICS, OILS, ORGANICS, SLUDGE
 
Abstract:  BRUIN LAGOON IS LOCATED ABOUT 45 MILES NORTH OF PITTSBURGH IN BRUIN BOROUGH, BUTLER COUNTY, PA. THE SITE OCCUPIES OVER FOUR ACRES AND IS LOCATED ALONG THE WESTERN BANK OF THE SOUTH BRANCH OF BEAR CREEK, APPROXIMATELY SEVEN MILES UPSTREAM OF THE CREEK'S CONFLUENCE WITH THE ALLEGHENY RIVER. THE SITE IS ALSO PARTIALLY SITUATED IN THE 100-YEAR FLOOD PLAIN OF THE CREEK. THE COMMERCIAL AND MAIN RESIDENTIAL AREAS OF BRUIN BOROUGH ARE LOCATED LESS THAN FIVE BLOCKS FROM THE SITE AND OVER 30 RESIDENCES LIE WITHIN 500 FEET OF BRUIN LAGOON. BEGINNING IN THE 1930'S, BRUIN OIL COMPANY, LOCATED ON PROPERTY ADJACENT TO THE SITE, USED THE LAGOON FOR DISPOSAL OF WASTES RESULTING FROM THE PRODUCTION OF WHITE OIL (MINERAL OIL). DISPOSAL OPERATIONS CONTINUED FOR MORE THAN 40 YEARS. IN 1968 A BREACH IN THE LAGOON DIKE CAUSED AN ACIDIC SLUDGE SPILL INTO THE SOUTH BRANCH OF BEAR CREEK WHICH KILLED 4 MILLION FISH IN THE ALLEGHENY RIVER. AN RI/FS REPORT, BEGUN IN JULY 1981, RESULTED IN A REMEDIAL ACTION BETWEEN AUGUST 1983 AND MAY 1984. THE FIRST REMEDIAL ACTION INCLUDED; REMOVAL OF LIQUID FLOATING ON TOP OF THE OPEN LAGOON AND OFFSITE DISPOSAL; LAGOON AND DIKE STABILIZATION; REMOVAL OF SCRAP TANKS AND EQUIPMENT; INSTALLATION OF A MULTI-LAYER IMPERMEABLE CAP; AND CONSTRUCTION OF A CHANNEL TO PREVENT GROUND WATER FROM ENTERING THE SITE. IN MAY 1984 A PREVIOUSLY UNIDENTIFIED SLUDGE LAYER, RELEASING TOXIC GASES, WAS PENETRATED DURING REMEDIAL CONSTRUCTION. EPA DECLARED AN EMERGENCY SITUATION, STOPPED ALL REMEDIAL ACTIVITIES, AND INITIATED AN IMMEDIATE EMERGENCY ACTION. THESE ACTIONS WERE TERMINATED IN SEPTEMBER 1984 AFTER THE SITE WAS STABILIZED AND SECURED. EPA, UPON COMPLETION OF THE EMERGENCY WORK, DETERMINED THE NEED FOR A REEVALUATION OF THE SITE. THE PRIMARY CONTAMINANTS OF CONCERN INCLUDE; TOXIC GASES, HEAVY METALS, OILS, INORGANICS, AND ACIDIC SLUDGE.

THE SELECTED REMEDIAL ACTION INCLUDES; ONSITE STABILIZATION/NEUTRALIZATION OF SLUDGE AND PERCHED LIQUID ZONE; IN-SITU TREATMENT OF BEDROCK UNDERNEATH THE FORMER LAGOON AREA; COMPLETION OF DIKE REINFORCEMENT; CAPPING THE FORMER LAGOON AREA WITH A MULTI-LAYER CAP; MONITORING AND MAINTENANCE OF THE SITE, CAP AND GROUND WATER. THE ESTIMATED CAPITAL COST IS $2,695,000 WITH ANNUAL O&M OF $16,000.
 
Remedy:  - ON-SITE STABILIZATION/NEUTRALIZATION OF SLUDGE AND PERCHED LIQUID ZONE.
- IN-SITU TREATMENT OF BEDROCK UNDERNEATH FORMER LAGOON AREA.
- COMPLETION OF DIKE REINFORCEMENT.
- CAPPING THE FORMER LAGOON AREA WITH MULTI-LAYER CAP.
- MONITORING AND MAINTENANCE OF THE SITE CAP AND GROUNDWATER.
 
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