Environmental Enlightenment #132
By Ami Adini - Reissued February 19, 2015
is a SHORT, LIGHT and SIMPLE newsletter. Its purpose is to rekindle in
the initiated terminology they have once learned, and enlighten the uninitiated on terms they may have heard but never knew the meaning of.
of contamination in the subsurface environment must deal with the
various soil and rock structures that make this environment. In our
reports, one may run into a term called “stratigraphy.” We use this term to describe the sequence or order of rock or soil layers in a geologic formation.
Stratum in Latin means horizontal layer, and strata is plural of stratum.
These horizontal layers have been formed by deposits in the beds of
rivers, lakes and seas. As the diagrams below depict, the layers may
not be uniform in length, do not always stay horizontal and get cut and
shifted up and down. Changes in the thickness of the layers and the
sudden vertical shifts sometimes occur within short distances in the
You can find past issues of our "Environmental Enlightenment" at amiadini.com
Wealth of information about environmental site assessments in the real
estate transactions and issues concerning assessment and cleanup of
contamination in the subsurface soil and groundwater.
Call me if you have any questions. There are no obligations.
Ami Adini & Associates, Inc.
Underground Storage Tank Experts
818-824-8102; 818-824-8112 fax
Ami Adini is a mechanical engineer, California Registered Environmental Assessor, Level II (Exp.), and president of AMI ADINI & ASSOCIATES, INC. (AA&A), an environmental consulting firm specializing in all phases of environmental site assessments and rehabilitation of contaminated sites. AA&A specializes in practical solutions to environmental concerns using the highest standards of ethics and integrity while providing its clients with maximum return on their investments.