Compressed Gas Microbial Contamination Monitoring & Contamination Control Strategy
Compressed gas microbial contamination can contaminate final product. Compressed gases, such as nitrogen, carbon dioxide, and oxygen, are used for a variety of applications in pharmaceutical manufacturing. These applications, such as aseptic packaging, purging, and filtration, are critical processes monitored for their efficacy. To avoid compressed gas microbial contamination monitoring, it has been speculated by some manufacturers that the rapid decompression of a gas when exiting its container kills any compressed gas microbial contamination. However, it has been shown by multiple studies that microbial survival is not impacted by the typical compression or decompression seen in pharmaceutical process gases.
Many GMP standards recommend sampling process gases for contamination before use in critical areas of manufacturing. This step, along with many others that make up a contamination control strategy, contribute to the purity and quality of the final product.
Download this paper for:
- Background on why compressed gas sampling is performed
- A review of compressed gas sampling regulations
- Literature analysis pertaining to microbial survival in gas sampling
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