Citation:

Billets, S N., J. Nicklas, AND J. Evans. FIELD MEASUREMENT TECHNOLOGY FOR MERCURY IN SOIL AND SEDIMENT MTI INC'S PDV 6000 STRIPPING VOLTAMMETRY. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-04/028 (NTIS PB2005-100120), 2004.

Impact/Purpose:

The objective of this program is to promote the acceptance and use of innovative field technologies by providing well-documented performance and cost data obtained from field demonstrations.

Description:

Monitoring Technologies International Pty. Ltd. (MTI) has developed a Portable Digital Voltammeter (PDV) designed to identify and measure the concentration of heavy metal ions. MTI's PDV 6000 was demonstrated under the U.S. Environmental Protection Agency Superfund Innovative Technology Evaluation Program in June 2003 in Las Vegas, Nevada. The purpose of the Demonstration was to collect reliable performance and cost data for the PDV 6000. Four other field measurement devices for mercury in soil and sediment were evaluated in May 2003 at the Oak Ridge National Laboratory in Oak Ridge, Tennessee. The key objectives of the Demonstration were: 1) determine sensitivity of each instrument with respect to a vendor-generated method detection limit (MDL) and practical quantitation limit (PQL); 2) determine potential analytical accuracy associated with vendor field measurements; 3) evaluate the precision of vendor field measurements; 4) measure time required to perform mercury measurements; and 5) estimate costs associated with mercury measurements for capital, labor, supplies, and investigation-derived wastes (IDW).

The Demonstration also involved analysis of standard reference materials (SRMs), field samples collected from four sites, and spiked field samples for mercury. The performance results for a given field measurement device were compared to those for an off-site laboratory using reference method, "Test Methods for Evaluating Solid Waste" (SW-846) Method 74718.

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