Arsenic is present in the environment as a naturally occurring substance or as a result of contamination from human activity. It is found in water, air, food, and soil in organic and inorganic forms.
Latent Semantic Analysis (LSA), sometimes referred to as Latent Semantic Indexing (LSI), is an information modeling and analysis technology. It enables you to organize and examine large collections of information based on meaning (semantics), not just matching the words or items being used.
LSA Authentication. LSA Authentication describes the parts of the Local Security Authority (LSA) that applications can use to authenticate and log users on to the local system. It also describes how to create and call authentication packages and security packages.