How do I sample VOCs if the fill material beneath the slab is made out of clay?

When the fill material beneath the slab is made out of clay you can sample your VOCs passively! To take a sample passively please reference the following SOPs for the equipment needed to sample. Standard Operating Procedure (VPC) To get the Water Membrane Sampler, contact Kesler Krieg at Eurofins, using his contact below. Kesler.Krieg@et.eurofinsus.com Mobile:  +1 317-519-6124

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