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PPI 6 Minute Solutions, PPI Quick Reference Guide, NCEES 2011 Practice Test. I went through all of these, corrected the reported PPI errors (many I personally found). [email protected] if you're interested.

Received results today that I passed the April 2016 Chemical PE. I have the following study materials: NCEES Chemical Engineering Pratice Exam, PPI Chemical Engineering Reference Guide, PPI 6 Minute Solutions, PPI Pratice Problems, PPI Quick Reference Guide. I'll take 80% of the list price on...