Compressed Air & Gas Testing for Medical Device Manufacturers
Medical Device Manufacturing facilities undergo FDA inspections to assure compliance with the Quality System Regulation (QS) requirements. [FDA-Quality System Regulation Guidance Document 21 CFR 820] Each manufacturer shall establish and maintain procedures to prevent contamination of equipment or product by substances that could reasonably be expected to have an adverse effect on product quality. [CFR 21 820.70 (e)] Compressors can breed contaminants if not maintained and monitored continually.
Compressed air quality used on your product falls under these guidelines. Contaminated compressed air on a product placed inside the human body can prove problematic. Unlike the food industry, the medical device industry does not have a clear-cut guideline or regulation that specifically addresses compressed air quality requirements, testing frequency, or number of samples. The individual manufacturer is responsible for assessing the risk and affect that a contaminated compressed air supply could have on the final product. An important international standard, ISO 8573-1, provides a variety of Purity Classes that can be incorporated into a robust quality assurance plan for this critical utility. Testing and monitoring of compressed air and other process gases such nitrogen, oxygen, argon, and carbon dioxide that can come into direct contact with the product is vital to assuring the quality and safety of the product.
Primary sources of contamination in a compressed air supply include the ambient intake air and the compressor itself. Click here to learn more about Compressor Contamination Sources.
Easy, Accurate Testing with the AirCheck✓™ Kit
Trace’s AirCheck✓ Kit™ K811 is designed to obtain samples from points of use. Sampling includes Particles, Water, Oil Aerosol and Vapor, and optional gases. ISO 8573-1 is one of the few standards available for non-breathing air that addresses a wide variety of manufacturing needs. The AirCheck✓ Kit™ can also be used to sample the same parameters for pure gases such as oxygen, nitrogen, argon, and carbon dioxide.
We offer diagnostic testing when you are unsure what Purity Classes your air system can meet, any given Purity Classes you select, or you can provide your own custom specifications. Other Compressed Air & Gas Specifications that are available include CGA, USP, NFPA, ANSI, and more.
Compressed Air Testing Experts for over 29 Years
Trace Analytics is an A2LA accredited laboratory established in 1989. We do one thing: test compressed air! We have a great Team of Experts ready to answer your questions and help you get started with your air quality assurance program.
To receive more information about process air and pure gas testing for the medical device industry, ISO 8573-1 and our baseline testing with the AirCheck✓™ Kit, Contact Us by email or phone 1-800-247-1024 x3.
Medical Device Air & Gas Testing Specifications
Trace Analytics, LLC can test to a wide variety of specifications. Some example specs commonly used in Medical Device are shown below:
ISO 8573-1:2010 Compressed Air Contaminants and Purity Classes |
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| Class | Particles | Water | Oil | ||||||
|---|---|---|---|---|---|---|---|---|---|
| By Particle Size (maximum number of particles per m3) See Note 2 |
By Mass | Vapor Pressure Dewpoint | Liquid | Liquid, Aerosol, & Vapor See Note 1 |
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| 0.10 – 0.5 microns | 0.5 – 1.0 microns | 1.0 – 5.0 microns | mg/m3 | °C | °F | g/m3 | mg/m3 | ||
| 0 | As specified by the equipment user or supplier and more stringent than class 1 | ||||||||
| 1 | ≤ 20,000 | ≤ 400 | ≤ 10 | - | ≤ -70 | ≤ -94 | - | ≤ 0.01 | |
| 2 | ≤ 400,000 | ≤ 6,000 | ≤ 100 | - | ≤ -40 | ≤ -40 | - | ≤ 0.1 | |
| 3 | - | ≤ 90,000 | ≤ 1,000 | - | ≤ -20 | ≤ - 4 | - | ≤ 1 | |
| 4 | - | - | ≤ 10,000 | - | ≤ +3 | ≤ +37 | - | ≤ 5 | |
| 5 | - | - | ≤ 100,000 | - | ≤ +7 | ≤ +45 | - | - | |
| 6 | - | - | - | 0 – ≤ 5 | ≤ +10 | ≤ +50 | - | - | |
| 7 | - | - | - | 5 – ≤ 10 | - | - | ≤ 0.5 | - | |
| 8 | - | - | - | - | - | - | ≤ 5 | - | |
| 9 | - | - | - | - | - | - | ≤ 10 | - | |
| X | - | - | - | > 10 | - | - | > 10 | > 5 | |
| Microbiological Contaminants | Other Gaseous Contaminants | ||||||||
| No purity classes are identified | No purity classes are identified Gases mentioned are: CO, CO2, SO2, NOX, Hydrocarbons in the range of C1 to C5 |
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Note 1: ISO 8573 Oil includes aerosol, vapor in the range of C6+, and liquid oil. Liquid oil is typically sampled when wall flow is present, contamination is suspected, or results are greater than 5 mg/m3. Trace can provide a separate kit for liquid oil testing. Note 2: For Particle Class 0, 1, & 2 (0.1 - 0.5 µ range only), a laser particle counter with a high-pressure diffuser is required. Rental of this equipment is available on a reservation basis. Contact us for details. To qualify for Particle Classes 0 through 5, there can be no particles greater than 5µ present. In some cases, Trace uses alternative sampling techniques or analytical methods to those specified in ISO 8573, for details see Smith White Paper, 2012. |
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