The document has been written as a guide to the tests that are commonly used within the Australian construction Industry that are relatively easy to perform and provide quick, meaningful and accurate information.This is the second edition of the document first published in 1987 as 'Insitu Testing of Concrete ? A Review'. The review team has arranged the publication in a manner that provide the scope, brief description of methods and procedures used, and the major advantages and disadvantages, difficulties, reliability, variability and precision associated with the test method.