Ann: EdenCrete and EdenCrete Pz both approved by NTPEP, page-9

I would have thought it shows that it agrees with ASTM and that the admixture doesn't cause problems.

I don't think it is there to prove claims of compression strength or other benefits, other than it meets or betters AASHTO requirements.

"The primary goals of the program are to provide cost-effective evaluations for the state DOTs by eliminating duplication of testing and auditing by the states and duplication of effort by the manufacturers that provide products for evaluation. As a liaison to the AASHTO Subcommittee on Materials (SOM), NTPEP supports the highway materials functions of these committees.