American Society for Testing and Materials (ASTM). Current edition approved May 1, 2005. Published May 2005. Originally approved in 1989. Last previous edition approved in 2002 as C 1105 – 95(2002). 4 p. This test method covers the determination, by measurement of length change of concrete prisms, the susceptibility of cement-aggregate combinations to expansive alkali-carbonate reaction involving hydroxide ions associated with alkalies (sodium and potassium) and certain calcitic dolomites and dolomitic limestones.