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Record of Decision System (RODS)

PORTLAND CEMENT (KILN DUST 2 & 3)

Abstract

Site Name:  PORTLAND CEMENT (KILN DUST 2 & 3)
Address:  1000 SO. REDWOOD ROAD 
City & State:  SALT LAKE CITY  UT  84116
County:  SALT LAKE
 
EPA ID:  UTD980718670
EPA Region:  08
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R08-90/029
ROD Date:  07/19/1990
Operable Unit(s):  01
 
Media:  CEMENT KILN DUST
 
Contaminant:  METALS, ARSENIC, CHROMIUM, LEAD, OTHER INORGANICS
 
Abstract:  THE 71-ACRE PORTLAND CEMENT (KILN DUST #2 & #3) SITE IS IN A PRIMARILY INDUSTRIAL/COMMERCIAL AREA OF SALT LAKE CITY, UTAH, AND CONSISTS OF 3 SEPARATE BUT ADJACENT PROPERTIES KNOWN AS SITE 2, SITE 3, AND THE WEST SITE. BETWEEN 1965 AND 1983, THE PORTLAND CEMENT CO., WHICH WAS PURCHASED BY LONE STAR INDUSTRIES IN 1979, DEPOSITED APPROXIMATELY 495,000 CUBIC YARDS OF WASTE CEMENT KILN DUST (CKD) ON EACH OF THE THREE PROPERTIES COMPRISING THE SITE. WASTE CKD CONSISTS PRIMARILY OF HEAVY METALS AND OTHER INORGANICS AND IS HIGHLY ALKALINE. APPROXIMATELY 360 TONS OF CHROMIUM-BEARING REFRACTORY BRICKS WERE DISPOSED OF WITH THE WASTE CKD. UNLIKE SITES 2 AND 3, THE WASTE CKD AT THE WEST SITE IS MIXED WITH SOIL AND DEBRIS INCLUDING DEMOLITION RUBBLE, SCRAP IRON, CONCRETE SLABS, ASPHALT, AND COMMON AND THE CHROMIUM BEARING REFRACTORY KILN BRICKS. THE WASTE CKD HAS ALSO PRODUCED A CONTAMINANT PLUME WHICH IS PRESENT IN THE SHALLOW GROUND WATER BENEATH THE SITE AND SOME ADJACENT PROPERTIES. THIS RECORD OF DECISION, THE FIRST OPERABLE UNIT, ADDRESSES FINAL SOURCE REMOVAL OF THE WASTE CKD AND TEMPORARY ONSITE STORAGE OF THE CHROMIUM BRICKS. A SUBSEQUENT OPERABLE UNIT WILL ADDRESS ANY REMAINING SOIL AND GROUND WATER CONTAMINATION AND TREATMENT AND DISPOSAL OF THE CHROMIUM BRICKS. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE WASTE CKD ARE METALS INCLUDING ARSENIC, CHROMIUM, AND LEAD, AND OTHER INORGANICS.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES EXCAVATION AND OFFSITE DISPOSAL OF 495,000 CUBIC YARDS OF WASTE CKD AT A NONCOMMERCIAL, INDUSTRIAL LANDFILL WHICH WILL BE CAPPED; REMOVAL OF 360 TONS OF CHROMIUM-BEARING REFRACTORY KILN BRICKS FROM THE WASTE CKD PRIOR TO OFFSITE DISPOSAL OF THE WASTE CKD, FOLLOWED BY TEMPORARY ONSITE STORAGE; GROUND WATER MONITORING; AND IMPLEMENTATION OF INSTITUTIONAL CONTROLS INCLUDING WELL CONSTRUCTION AND DEED RESTRICTIONS. THE ESTIMATED PRESENT WORTH COST FOR THE REMEDIAL ACTION IS $12,143,000, WHICH INCLUDES AN ANNUAL O&M COST OF $5,000 FOR 30 YEARS.

PERFORMANCE STANDARDS OR GOALS: OFFSITE DISPOSAL OF WASTE CKD WILL ELIMINATE FUGITIVE DUST EMISSIONS FROM THE SITE THEREBY CONTRIBUTING TO COMPLIANCE WITH FEDERAL AND STATE AIR QUALITY STANDARDS. FINAL SOIL AND GROUND WATER CLEANUP LEVELS WILL BE ADDRESSED IN A SUBSEQUENT OPERABLE UNIT.
 
Remedy:  THIS OPERABLE UNIT (OPERABLE UNIT 1) IS THE FIRST OPERABLE UNIT FOR THE SITE. OPERABLE UNIT 1 WILL REMOVE THE SOURCE OF CONTAMINATION (THE WASTE CKD) FROM THE PRESENT SITE AND ADDRESS THE PRINCIPAL THREATS TO PUBLIC HEALTH AND THE ENVIRONMENT POSED BY THAT WASTE. ANY REMAINING CONTAMINATION WILL BE ADDRESSED IN A SUBSEQUENT OPERABLE UNIT(S).

THE MAJOR COMPONENTS OF THE SELECTED REMEDY INCLUDE THE FOLLOWING:
* THE EXCAVATION OF ALL WASTE CKD FROM THE SITE, AND ITS TRANSPORTATION TO AND DISPOSAL IN AN OFF-SITE STATE APPROVED, NONCOMMERCIAL, DOUBLE-LINED, INDUSTRIAL LANDFILL TO BE CONSTRUCTED AT APPROXIMATELY 1300 SOUTH AND 7200 WEST, IN THE VICINITY OF THE EXISTING SALT LAKE VALLEY LANDFILL AND OTHER INDUSTRIAL DISPOSAL FACILITIES IN SALT LAKE CITY, UTAH.
* THE NEW LANDFILL FOR THE WASTE CKD MUST BE ACCEPTABLE TO THE STATE OF UTAH AND EPA.
* A LAYERED CAP WILL BE PLACED OVER THE WASTE CKD.
* ALL CHROMIUM-BEARING REFRACTORY KILN BRICK WILL BE REMOVED FROM THE WASTE CKD AND TEMPORARILY STORED AT AN ACCEPTABLE ON-SITE LOCATION. THE TREATMENT AND DISPOSAL OF THE CHROMIUM BRICKS WILL BE ADDRESSED IN THE NEXT OPERABLE UNIT.
* GROUND WATER MONITORING WILL ALSO BE INITIATED.
 
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