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Our content explains pharmacopoeial and regulatory requirements in our own words, for learning. For exact requirements, always refer to the current official text and your site's approved SOPs. More

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← All lab tools

Air sample to CFU/m³

FREE

Convert colonies and litres sampled to CFU/m³ and check the grade.

Colonies on the plate or strip

Air volume sampled (L)

Cleanroom grade

Within limits

3 CFU/m³ against the Grade B limit of 10 CFU/m³: within.

Reference: EU GMP Annex 1 (2022), Table 6. Always follow your approved SOP and current pharmacopoeia.