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EQuIS Geology/EQuIS Chemistry

Detailed Description

EQuIS Geology/EQuIS Chemistry

EQuIS Geology/EQuIS Chemistry

Announcing. . .
New Interfaces in EQuIS Geology


EQuIS Geology is the latest product in this suite of environmental data management and analysis systems. Written in Visual Basic and using the Microsoft Access database engine, EQuIS Geology offers an easy-to-use and comprehensive means of organizing geological, geotechnical, and hydrogeologic data.

Information is stored on a project-by-project basis in EQuIS Geology. In a particular project, any number of borings or wells may be entered, and for each, boring samples may be specified at any number of depths. (In EQuIS Geology, only well construction information is recorded. The companion product, EQuIS, is used for time-variant water table measurements and water chemistry information.)


Project screen showing project information, boreholes in the current project, and geologic
samples associated with the current borehole.

EQuIS Geology Features
  • IMPORT native GMS borehole files including sample data.
  • IMPORT borehole and well location data, CPT-type data, and stratigraphy data in a user-defined format.
  • EXPORT data to GMS, QuickLog, Groundwater Vistas, EVS, Stratos, gINT, among many others.
  • QUICK REPORTS easily send data to Microsoft Excel.

EQuIS Geology Import Data

Define Import screen. By selecting the parameters you wish to import you can create an import for any data file.

Data import into EQuIS Geology is simple and very flexible. Users with GMS borehole files may import those files directly into EQuIS Geology.

To import borehole or well location data in EQuIS Geology, CPT-type data, geologic sample, or stratigraphy data, you need only select from the list of supported parameters and define the structure of the file you wish to import. For CPT-type data, you may import any value that is measured; you need only indicate the name of the parameter before creating the import.

Data columns not supported by EQuIS Geology may be skipped so you don't need to change your file. Import templates may be saved for future use.

If your data changes, you may reimport the text file and only those fields that have been changed will be modified.

EQuIS Geology Supported Import Parameters

Location Data:

  • ID
  • X Coordinate
  • Y Coordinate
  • Total Depth
  • Surface Elevation
  • Screened Interval
  • Sump Length
  • Stickup Height
  • TOC Elevation
  • Measured Depth
  • Driller
  • Geologist
  • Drilling Sub.
  • Engineering Sub.
  • Borehole Remark
  • Well Remark

Geologic Sample:

  • Sample ID
  • From Depth
  • To Depth
  • Moisture Content
  • Specific Gravity
  • Saturation
  • Void Ratio
  • Porosity
  • Hydraulic Conductivity
  • Unit Weight
  • Relative Density
  • Relative Compaction
  • Organic Carbon
  • Material
  • Material Description

EQuIS Geology Materials

EQuIS Geology allows you to assign material types to stratigraphic layers and geologic samples from one of four standard material groups or unlimited custom material groups. Materials from any standard group may be assigned to a custom group. Additionally, new materials may be created. A color and brief description may be designated for each material.


Materials screen where material groups are defined and material color and description are modified.

Standard Material Groups:

  • USCS
  • USDA
  • Unlimited Custom Groups

EQuIS Geology Boreholes and Wells

Boreholes are one of the primary means of site characterization and, therefore, are an integral component of data entry. (Although some techniques such as CPT don't actually involve drilling, they are entered as "Boreholes" because they have specific x, y coordinates.) For any boring location, well construction data such as casing, screened intervals, well fill, etc., may be defined.

EQuIS Geology Stratigraphy

Borehole stratigraphy may be imported from GMS or user-defined files in EQuIS Geology or created manually. For each layer, the x and y coordinates and depth or elevation of the top of the layer are used to position the layer. Materials may be selected from any material group defined, and a 240-character comment may be associated with each layer.


Stratigraphy screen allows vertical or nonvertical layers to define the stratigraphy for a borehole.

EQuIS Geology Static Material Properties

For each geologic sample defined over a discrete interval, geotechnical properties may be defined in EQuIS Geology. These properties may be exported to various external applications. An example is exporting hydraulic conductivity values for use as aquifer properties in a groundwater flow model.


Static Material Properties screen displays geotechnical properties of a geologic sample.

Many properties are supported by automatic calculation.

Geotechnical Properties:

  • Moisture Content
  • Opt. Moisture Content
  • Specific Gravity
  • Saturation
  • Void Ratio
  • Maximum Void Ratio
  • Minimum Void Ratio
  • Porosity
  • Hydraulic Conductivity
  • Unit Weight
  • Dry Unit Weight
  • Saturated Unit Weight
  • Maximum Dry Unit Weight
  • Minimum Dry Unit Weight
  • Relative Density
  • Relative Compaction
  • Organic Carbon

EQuIS Geology Sample Data

Sample data may be either continuous (CPT) or samples recovered at discrete intervals in EQuIS Geology. For continuous sample data, each point in the data set can be displayed in a grid and modified. For discrete samples, each sample is identified individually by the depth at which it was taken and the thickness of the sample.

The sample material may be characterized by the standard classifications, and parameters specific to the sampling method can be recorded (i.e., blowcounts for SPT tests).

EQuIS Geology Sample Properties

For each sample, a comprehensive set of descriptive parameters may be stored for modeling and geotechnical reporting.



Exporting Data in EQuIS Geology

EQuIS Geology easily interfaces with several of the most popular data analysis and visualization tools on the market today. These include The Department of Defense Groundwater Modeling System (GMS), QuickLog, Stratos, Groundwater Vistas, EVS, and gINT. Additional interfaces are under development.


The EQuIS Geology Basic Package includes interfaces to:


plus one of the following add-on modules:

    GMS Interface
    DMR Reports
    Groundwater Vistas Interface
    EVS Interface
    ArcView Interface
    RockWorks Interface
    gINT Interface
    NJDEP Import/Export

Modules beyond the basic package may be purchased at an additional cost.


Borehole stratigraphy, water level, and CPT-type sample data may be exported to GMS. This information can then be used to create solid models and cross sections. Sample data parameters may also be exported for use in building a groundwater flow model.

EQuIS Geology Tools

One of the tools provided by EQuIS Geology is a simple unit calculator. For many parameters commonly used in geotechnical or hydrogeologic engineering, converting from standard to SI is as easy as entering a value and choosing from a list of units.


EQuIS Geology Requirements: Pentium with Windows 95/98/2000/NT and 32 MB RAM.

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