"...data validation is conducted subsequently, almost always by a party independent of both the data collector and the data user."     U.S. EPA	Data Validation is an analyte and sample-specific, systematic process for determining the compliance of analytical data with the applicable method requirements and the associated project specifications. The data validation process is essentially a question and answer process performed by highly experienced data validators, to determine if the data meet both the method requirements and the project specification.   Let eDATApro give you a custom quote at competitive pricing for you validation needs!!! More Information Here