Various sizes are available and offer the latest in graphite block digestion technology. All DigiPREP blocks are accepted and used in Environmental Protection Agency (E.P.A.) Office of Water Methods (i.e. 200.2, 200.7, 200.8, 200.9, 245.1 and 365.1) and Office of Solid Waste SW846 Methods (i.e. 3010a, 3020b, 3050b and 3060).
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