The acoustical tests discussed and reported here were conducted by Cerami and Associates, Inc. on July 1 and 2, 1974 in the T.V. Studio of Standard Oil of Indiana Company at the above referenced test location. The purpose of these tests was to measure the Impact Noise Rating (INR) and Field Sound Transmission Class (FSTC) of a typically installed Type EAFM acoustical floating floor system as manufactured by Mason Industries, Inc. The subject test specimen installation was completed in September of 1973.