No
one knows more about Proficiency Testing than Wibby Environmental.
And not only do we have the expertise to simplify your PT compliance,
we've taken a new, fresh approach to PT's. In addition to fully
compliant PT programs, by ordering from Wibby Environmental you
receive all of the benefits of our
PT Manage™ program.
Although PT standards can be ordered
at any time, PT studies are conducted as 45 day studies.