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MACO (cleaning acceptance limit)

In short

Maximum Allowable Carryover (MACO) is the equipment-residue limit for a shared-line supplement facility, calculated from the smaller of three criteria: (1) 1/1000th of the lowest therapeutic dose of the previous active, (2) 10 ppm of the previous active in the next product, an...

Maximum Allowable Carryover (MACO) is the equipment-residue limit for a shared-line supplement facility, calculated from the smaller of three criteria: (1) 1/1000th of the lowest therapeutic dose of the previous active, (2) 10 ppm of the previous active in the next product, and (3) a health-based exposure limit (HBEL / PDE) per EMA 2014. The smallest of the three becomes the cleaning swab and rinse acceptance limit.

Regulatory anchors
  • EMA HBEL Guideline 2014
How V5 handles it
QMS — quality records next to the work they concern.
Deviations, corrective actions and quality review sit in the same system as production, so each quality record references the work order, step and lot it concerns.
Document control — one version in force, every change signed and explained.
Draft the next revision while the current one stays in use, approve it under your sign-off route, and track training on it — with the history kept.
Related terms
TOC swab vs rinse (cleaning verification)HBEL / PDE in shared supplement facilities
Software that covers MACO (cleaning acceptance limit)
V5 Ultimate Dietary Supplements
Written for supplement contract manufacturers and brand owners tired of surviving FDA 483s on paper.
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