Let's Talk Remediation
In this 55th episode, I discuss Soil Remediation Sampling - Grab vs. Composite. When Soil Remediation is being performed, Soil Sampling is needed to monitor and document the remediation and it's effectiveness. In performing soil sampling, there are two types of samples; Grab and Composite. Grab samples are samples taken a very specific location. Composite samples are a collection of multiple grab samples mixed together. My suggestion is always to perform grab samples to define the area that needs to be remediated. And then, as remediation progresses, then re-grab sample at those sample locations, to be able to see the difference and effectiveness of the remediation work. Composite sampling creates an opportunity for contamination levels to be overlooked by being averaged out with non-contaminated soil. On the contrary, Grab sampling allows for the identification of any locations that need additional attention and eliminate those that do not. The thought is Composite sampling is a more economical approach, but I'd suggest that if you have an economical means of analyzing Grab samples, like Hanby Field Test Kits, then Grab samples provide better information, as it's location specific. Also, a combination of both types could be used, by using Grab to Start and End and using Composite in between, when a large area is being remediated and the entire area is being treated the same. "Thank You" for tuning in and to Our Ongoing Sponsor Hanby Environmental for the continued support of our podcast having a positive impact on The Environmental Remediation Industry! Send in any future podcast topics or questions to CFator@LetsTalkRemediation.com and follow us on FaceBook, Linkedin and X. If you are not following this podcast and are in the Remediation Space, "You SHOULD Be!" Also, if you are in The Remediation Industry and are interested in telling your story, we are looking for Experts to interview for future podcast episodes.
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