(Standard) Containers are assembled with liner and closure, without washing treatment
CLASS 2
(Pre-cleaned) Containers are processed according to E.P.A. recommended wash procedures Each case contains a copy of wash "Standard Operating Procedure".
CLASS 3
(Certified) Containers are processed according to E.P.A. recommended wash procedures Each case contains a "Certificate of Analysis". An independent laboratory is used to certify the container's cleanliness, assuring impartial results.