TEX TIN SUPERFUND SITE
Texas City, Texas

Remedial Construction Services, L.P. (RECON) completed the closure of this superfund site by using a unique 5-staged approach. After submittal and approval of the initial work plans, remedial activities that did not require extensive design began. While Stage I construction was being completed, the Remedial Design for Stage II was developed. This process continued for the life of the project. This innovative approach saved the EPA over 9 million dollars and decreased the schedule by 7 months.

Stage 1: Debris disposal; lab packing; asbestos abatement; tank cleaning and demolition; building demolition; well abandonment; and implementation of a stormwater management system.

Stage 2: Management of drummed waste; consolidation, and stabilization of stockpiled materials, principal threat soils, and Wah Chang Ditch sediments.

Stage 3: Implementation of an acid water treatment system, treatment of acid sludge, NORM and non-NORM Cell construction; backfilling and installing a RCRA-equivalent cap over the scrubber sludge pond.

Stage 4: Consolidation and stabilization of remaining stockpiles, installation of the slurry wall, capped the low-level radioactive waste landfill.

Stage 5: Capped the NORM disposal cell; backfill and compaction of remaining surface impoundments with the installation of RCRA equivalent cap; backfill and compaction of the clay cover; installation of evapotranspiration system; and groundwater monitoring system.

Closure Specifics Demolition of 15 warehouses and buildings and a 250-foot tall concrete smoke stack, including asbestos abatement Cleaning and demolition of 157 aboveground storage tanks with volume capacities up to 500,000 gallons Consolidation and disposal of over 7,505 pounds and 275 gallons of hazardous chemicals, including potentially explosive materials into lab packs Abatement and disposal of 133 cubic yards of friable asbestos Recycled 1,374 tons of metal Disposal of organic waste off-site Characterization and stabilization of waste contained in 7,855 drums and 5,188 cubic yards of waste piles and supersacks Treatment of 17,250 cubic yards of sediment and Principal Threat Soils exceeding Preliminary Remediation Goals Management of 50,000 cubic yards of hazardous and non-hazardous slag Treatment of 16 million gallons of low pH (<2 standard units) water impacted with metals Stabilization of 70,000 cubic yards of low pH (<2 standard units) sediments in a 4-acre pond Installation of a RCRA equivalent cap over a 3-acre pond containing arsenic affected scrubber sludge Design, construction and installation of a RCRA equivalent cap at the 2-acre NORM disposal cell Installation of a 55-foot deep, 2,750 foot long slurry wall Consolidation of 10,295 cubic yards of naturally occurring radioactive material (NORM) Capped the low level radioactive waste landfill Design, construction and closure of a RCRA equivalent Consolidation Cell for on-site waste consolidation Installed 1,556,000 square feet of liner material Pumping, sediment treatment and capping of four wastewater ponds encompassing 25 acres Closure of 49 wells and the installation of 17 wells after RA activities Installation of 86 acres of clay soil cover or soil surface layer Installation of an evapotranspiration system, including 366 specialized trees and 98 acres of grass seed