Reilly Tar & Chemical Corp.
(St. Louis Park Plant)
Community Involvement Coordinator
Heriberto León (firstname.lastname@example.org)
312-886-6163 or 800-621-8431, ext. 66163
Remedial Project Manager
800-621-8431, ext. 68961
weekdays 9 a.m. – 4:30 p.m.
(where to view written records)
St. Louis Park Public Library
3240 Library Lane
Minneapolis, MN 55426-4102
Open Mon-Tue 10am-9pm; Wed,Fri-Sat 10am-5pm; Thu 1pm-9pm; Sun 12pm-5pm
The Reilly Tar & Chemical Corporation Site was used for coal tar distillation and wood preserving from 1917 to 1972. The site was sold to the City of St. Louis Park and converted to recreational and residential use in 1972. Reilly disposed of waste on-site in several ditches that flowed to an adjacent wetland. It is suspected that gases from contaminants related to the former wood-treating operation may be affecting indoor air quality above acceptable long-term risk levels.
The wastes generated by Reilly Tar & Chemical Corporation were mostly polycyclic aromatic hydrocarbons (PAHs), which contaminated the soil and ground water beneath the site. It is estimated that approximately 43,000 people use the ground water from aquifers near the site, which are now treated to meet all required health standards.
You will need the free Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
EPA plans to conduct a third round of samples on various properties on and near the site this fall. EPA and its contractors will contact residents and property owners to request access to sample subslab and background soil gas along with indoor air.
EPA is recommending this further investigation based on the results of its study earlier this year. The results were communicated recently to the owners of the six properties involved. Although there appears to be no immediate danger to human health, it is unclear at this point exactly what role vapor intrusion may be playing in the indoor air quality of the tested properties. This site would currently classify as a borderline site based on the most recent test results and guidance from EPA's Region 5 Vapor Intrusion Guidebook (October 2010). Visit EPA's Vapor intrusion website to get additional information that includes technical and policy documents.
- Open houses on Reilly Tar and Chemical site environmental investigation in St. Louis Park, Minn., March 3, February 24, 2011
- EPA to Investigate Vapor Intrusion Problem (PDF) (4pp, 341KB)
- What you should know about vapor intrusion (PDF) (2pp, 232KB)
- Site map (PDF) (1pp, 373KB) February 2011
- Screening Levels for Vapor Intrusion (PDF) (1pp, 57KB) November 2011
- Screening Levels for Vapor Intrusion (PDF) (1pp, 91KB) February 2011
- Record of Decision 1995 (PDF) (35pp, 1.85MB) June 1995
- Record of Decision 1992 (PDF) (43pp, 1.48MB) September 1992
- Record of Decision 1990 (PDF) (35pp, 1.85MB) June 1990
- Record of Decision 1986 (PDF) (35pp, 1.85MB) June 1986
- Record of Decision 1984 (PDF) (35pp, 1.85MB) June 1984
- Fourth five-year review report (PDF) (110pp, 4.4MB) June 2011
- Third five-year review (PDF) (86pp, 3.7MB) September 2006
- Second five-year review (PDF) (50pp, 2.4MB) September 2001
- First five-year review (PDF) (47pp, 2.4MB) March 1996