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PAH analysis and forensic mapping in sediments on Grand Calumet River - Case Study
Sitelab Corporation was hired by an environmental contractor to analyze 100 sediment samples collected from a post-dredge area covering a 1 mile stretch of river in Hammond, Indiana. The data was used to determine which of the 25 sample locations would require further assessment.
In 2012, J.F. Brennan will be installing a cap on the river bottom, which consists of a 12 inch layer of a sand and organoclay mixture. The cap is designed to prevent future exposure and pathways of the impacted sediments left behind.
Sitelab`s PAH fingerprinting data, combined by sample location coordinates recorded by GPS, were used to map the sediment contamination. Results revealed several "hot spots" and where fresher versus older crude oil exists in the river.
"We evaluated more than one technology to implement the on-site PAH screening, but ultimately felt that Sitelab offered the greatest understanding of our data needs and more flexibility and interpretive power in your data output." Customer/Project Manger »SEE FEATURE STORY