Your question states that you want the PCS eamination given by NACE. SSPC gives the PCS examination and requires prior consent to take the test. You can contact SSPC at their website or call them in Pittsburgh. The information they require prior to being approved to take the test is extensive...
It sounds like you are on the right track as to a bad formulation by the manufacturer. It is usually not beneficial to check the "retain" at the manufacturer plant as they always come back as formulated properly.
A sample of the applied coating can be sent for evaluation to a coatings...