CASAS (Comprehensive Adult Student Assessment Systems) is used for assessing basic reading, math, listening, writing, and speaking skills for adults. There are eight CASAS competencies which are embedded in the CASAS tests:
RTC uses the CASAS test for students in Basic Studies and in other select college programs.
The document linked above is a correlation of Michael Kerwin's series "Topics and Language Competencies" with the CASAS competencies.