There is no standard (or certification) for stand-alone non-deterministic (hardware or "true") random number generators in the USA. Normally certifications are given for a system including an RNG used for a specific purpose such as online gaming. It is the responsibility of the user of the nondeterministic generator to obtain this type of certification as each one is different and only the user has control of their own software. The companies that obtain these certifications and the testing companies that grant them do not, and will not, share copies of the certificates, either for security reasons, copyright or because the testing firms charge money to provide the certifications. ComScire's QNG devices used in customers' applications have been certified several times by well-known testing laboratories throughout the world.
ComScire QNG devices are guaranteed to pass any properly designed test for randomness. Four selected Model PQ4000KS generators have been directly tested to more than 1 terabit of continuous output data without any indication of statistical defect, the Model PQ32MU was cumulatively tested to more than 20 terabits, and the Model PQ128MU was cumulatively tested to more than 300 terabits – likely the longest sequence of directly-tested true random generator output bits in the world. All generators are tested to at least 100 Gbits at the time of manufacture as part of our QA program. Our testing procedures are more stringent than any other manufacturers’. We have been selling online, world-wide for 20 years – the longest of any hardware RNG company, and we hold 5 issued patents (others pending) covering the technology.