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Environmental Technology Listing
Title of Listing:
Automated Sampling and Analytical Platform
Category:
Characterization Technologies
Subcategory:
*Water, All Listings
Media:
Groundwater
Contaminants:
Halogenated and Non-Halogenated Volatiles, Solvents, BTEX
Web Site:
Email:
Technology Description:

The Automated Sampling and Analytical Platform (ASAP) is designed to perform continuous automated sampling of water, to prepare samples for analysis by gas and or liquid chromatography, and to direct samples to other devices such as specific ion probes.

          The gas chromatography preparation involves a unique purge and trap concentrator. The A+RT concentrator differs from the customary batch approach in that it uses a flow-through, counter-current stripping cell. In this system, the water sample and stripping gas flow continuously through the cell in opposite directions.

          The A+RT components and software are designed to allow a complete system to conduct continuous (24 hour a day) monitoring for long periods of time (months-years). The ASAP is designed to be installed with the other system components permanently or semi-permanently in a secure, temperature-controlled space on site.

          A+RT software running on a Windows-based computer allows communication with and setup of the ASAP as well as automated storage of analytical data.
Performance Status/
Limitations:

Prototype tested in 1991 by SITE program at a Superfund site. Prototype tested in semi-automated mode at Rocky Mountain Arsenal in 1991 and performed well for analysis of VOCs. First commercial application begins 5/95 at field experimental site of University of Waterloo at Dover Air Force Base, Delaware. Other units expected to be operational at field experimental sites of Stanford University at Edwards Air Force Base, CA and Seal Beach Naval Air Station, CA in 1995 and 1996, respectively.

          Currently, the ASAP is designed to process only water samples. The system requires a secure, temperature controlled space with 110V power. The water to be analyzed must be relatively free of particles, or alternatively, the system filter must be changed frequently.
Topics
Analytical Testing, Groundwater Characterization, Technologies, Characterization
Additional Topics/Tags/Keywords
Purge and Trap, Groundwater


Organization:
Analytical and Remedial Technology, Inc.
Address:
744 Frenchman's Road
Phone:
DescriptionNumber
City:
Stanford
1.
Primary (415) 324-2809
State/Province/Territory:
CA
2.
Zip/Postal Code:
94305
3.
Country:
United States
4.
Fax:(415) 324-2259
Branch Locations: