Tittabawassee River- Exposure Unit 002

All POLREP's for this site Tittabawassee River- Exposure Unit 002
Saginaw Township, MI - EPA Region V
POLREP #2 - Removal
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On-Scene Coordinator - Brian Schlieger 6/4/2009
Time-Critical - Removal Action Pollution Report (POLREP) #2
Start Date: 3/24/2009
Site Description
EU002 is in Saginaw Township, Saginaw County, Michigan, and is contaminated with dioxins and furans from Dow Chemical Company's Midland Plant.

EU002 is located along West Michigan Avenue and is generally located approximately 7 miles to the west and 1 mile to the south of the intersection of Interstate 75 and State Route 46 in Saginaw, Saginaw County, Michigan.  EU002 is approximately 3,000-foot long by 500-foot wide area along the northeast bank of the Tittabawassee River, 3 miles upstream of the confluence of the Tittabawassee and Shiawassee Rivers.  EU002 includes a 5-acre public park named West Michigan Park (WMP); a condominium complex located directly adjacent to and west of WMP; several residential properties directly adjacent to and east of WMP.  Site activities will be concentrated to the areas of WMP; two elevated contamination areas near single condominiums and four elevated contamination areas near single-family residents (ECAs); and a moderate-use zone (MUZ) in several areas located on the wooded portion of the residential properties.  EU002 is located approximately 15 miles down river from the Midland Plant.


Current Activities
Friday, May 22, 2009, soil excavation and hauling activities continue.

May 23 through May 25, no site activities were conducted and site security monitored the site.

Tuesday, May 26, 2009, soil excavation and hauling activities are completed on approximately 80% of WMP area.  Installation of demarcation layer begins in locations where 1 foot of soil has been removed and backfilling with clean fill begins.  

Wednesday, May 27 and 28, 2009, no site activities were conducted due to rain.

Friday, May 29, 2009, demarcation installation and backfilling activities resume.

Saturday, May 30, 2009, demarcation installation and backfilling activities continue.

During Week 1 of the reporting period, 5,664 tons of contaminated soils were transported to the disposal facility.

Sunday, May 31, 2009, no site activities conducted and site security monitored the site.

Monday, June 1, 2009, demarcation installation and backfilling activities resumed in the morning and site activities stopped after the morning due to rain.

Tuesday, June 2, 2009, demarcation and backfilling activities finished along areas within WMP that has been graded. Soil excavation resumes in small section in northwest corner of WMP and soil is piled for removal.  Crew taking steps to minimize soil trackout by backfill trucks by laying woodchips along truck path.

Wednesday, June 3, 2009, soil excavation activities continue along remaining 20% of WMP and hauling activities resume.  Shoreline sloping, demarcation, and backfilling activities begin.

Thursday, June 4, 2009, Soil removal, backfilling, and shoreline activities continue.  Installation of turf matting and rock toe and application of hydroseed begins along shoreline.

During Week 2 of the reporting period, 4,444 tons of contaminated soils have been transported to the disposal facility.  

Security continues to keep trespassers from entering the park during non-working hours.


Planned Removal Actions
Removal of gravel drive and parking lot and paving will be conducted after completion of excavation/backfilling of the park.  After the vegetation has been re-established, re-installation of park equipment will begin and the park will be re-opened to the public.

Next Steps
It is anticipated that activities for ECA and MUZ areas and institute barrier control plan will begin.

Key Issues
Dust and turbidity monitoring will continue at the site until excavation and fill activities have been completed at the site. Only one excedence from dust monitoring was recoreded however, it was doccumented to be unrelated to activities associated with the site.

A Post Removal Site Control plan will be finalized for EU002 to conduct sampling and monitor the integrity of the cleanup after flood events.  Schedule and completion date are subject to weather conditions.


 
Disposition Of Wastes
Contaminated soils are being transported to Waste Management's People's Landfill located in Birch Run, Michigan for disposal.

Waste Stream Quantity Manifest # Disposal Facility
Dioxin-contaminated soils 14,933 Tons Through 6/4/2009 People's Landfill Birch Run, MI