OASIS: A Graphical Decision Support System for Groundwater Contaminant Modeling

TRRP Training: 2022 Program

presented by: GSI Environmetal Inc.

Texas Risk Reduction Program regulations (TRRP; 30 TAC 350) establish consistent risk-based protocols for assessment and response to soil, groundwater, or surface water impacts associated with environmental releases of regulated wastes or substances.

Presented by GSI Environmental Inc., this popular and informative training series is a must for professionals who need a working understanding of TRRP and those needing to stay up-to-date with the latest TCEQ TRRP guidance and policies.

TRRP Training Course (2 Days): Provides an overview of the TRRP framework and step-by-step training on property assessment and response action procedures established under the TRRP rule

Attendees will become acquainted with rules, key guidance and policies covering affected property assessments, protective concentration levels, and response actions. The course material presents strategies for efficient project management in compliance with TRRP and explains the various report forms adopted by TCEQ.

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Dates and Location

Dates

June 14th and 15th, 2022

Location

Crowne Plaza River Oaks 2712 SW Freeway Houston, Texas 77098 713.523.8448 http://www.crowneplaza.com/

Price and Registration

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Authors: Charles J. Newell, J. Haasbeek, P. B. Bedient

Published: February 1990 in Groundwater volume 28 (2) pages 224-234.
Abstract

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Three new software technologies were applied to develop an efficient and easy to use decision support system for groundwater contaminant modeling. Graphical interfaces create a more intuitive and effective form of communication with the computer compared to text-based interfaces. Concepts from the field of hypertext were applied to design the extensive electronic documentation and databases. Finally, object oriented programming permitted scientists with little programming experience to develop the system by manipulating preexisting software objects instead of writing computer code, greatly increasing the productivity of the project team.

A decision support system is a class of software with different origins and characteristics than conventional programs or expert systems. Decision support systems are designed to help users with broad, semistructured problems, with the user directing the problem-solving process. The decision support software described in this paper, the OASIS system, provides groundwater modelers with a groundwater biodegradation model, model documentation, background information, data from chemical and hydrogeologic databases, and data management tools. The system was developed using HyperCard software on a Macintosh personal computer. It currently has over 1700 different computer screens of information and occupies approximately 10 megabytes of hard disk storage.

OASIS is a new type of modeling software where groundwater models, data, and knowledge are integrated together using a graphical interface and an easily modified software architecture. Two groups of users can benefit from the system; current modelers who need more efficient interfaces and data management tools, and people who are not using models now because the modeling process is too involved and requires specialized knowledge.