Presentation on Vermiculite Analytical Method at Stony Brook University


On November 13th Matthew Sanchez, Ph.D. and Richard Lee, Ph.D. will deliver an educational presentation and participate in a panel discussion on vermiculite containing materials at the Long Island Chapter ASSE meeting at Stony Brook University. If you are a building owner, environmental consultant, industrial hygienist, or safety engineer, this presentation will teach you how RJ Lee Group’s vermiculite method can be used as an investigative tool.

 Click here to register at the ASSE website.

PLM image of spray-on fireproofing

Polarized light microscopy (PLM) image of spray-on fireproofing material containing vermiculite. These materials are typically composed of cellulose, carbonates, gypsum or cement, and fiberglass. Low levels of amphibole contaminants can be difficult to quantify in this type of material.

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