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Contact Plate Testing

TRACE ANALYTICS - the leading air testing laboratory since 1989

Surface Testing with Contact Plates

Microorganisms’ pervasive nature enable them to adapt and utilize nutrients available in their surrounding environments. In manufacturing facilities, it is essential to implement processes and systems to prevent microorganisms from contaminating controlled environments. Regular testing and monitoring can help to ensure that your cleaning protocols and sanitation procedures are working effectively and appropriately. Contact plate testing is ideal for surfaces that are intended to be free from microorganisms or have strict control. More specifically known as RODAC (replicate organism detection and counting) plates; they are used for microbiological monitoring of all surfaces. Identifying the presence of microorganisms allow manufacturers to make more stringent hygiene protocols, remediation procedures, and prevent cross-contamination of end-products.

As a 17025:2017 accredited, third-party microbiological testing lab, Trace Analytics is proud to offer contact plate testing for clients to help them meet certification requirements like ISO14698, ISO 14644, ISO 18593, SQF monitoring, and FDA monitoring. We can even work with you to test to your facilities’ custom monitoring plan.

Why Perform Contact Plate Testing?

mold contaminated petri dish

Our triple-bagged, ready to use contact plates can be used for environmental monitoring of surfaces in critical cleanrooms, isolators, and non-critical areas. Contact plates are usually used to assure the cleanliness of the cleanrooms, laboratories, etc.

Manufacturing facilities that implement rigorous cleaning and sanitization procedures need to know they are always working effectively. Regular monitoring and testing for bacteria, yeast, and mold can help isolate areas that need re-training or additional supervision as well as prevent potential shutdowns, recalls, or loss of product. These contact plates are available with various growth media recipes that allow microbes to flourish.

Contact plate testing is ideal for customers who have multiple critical surfaces that need to be free of microorganisms or are monitored in strict control. They are best used on flat, stable surfaces, contact plate testing is effective on work benches, lab garments, and at-risk areas.

How Contact Plate Testing Works

RODAC stamping can detect as few as one colony forming unit. Plates are usually stamped, rolled or depressed onto the surface, labeled and sent to the laboratory for analysis.

An excellent add on to ambient air or compressed air testing, contact plates can be utilized easily and quickly for surface sampling. Simply press the contact plate onto the surface to be tested, wrap up the plate, and return it to Trace Analytics for analysis. We have options for analysis including: Total Plate Count (TBC and TFC), Gram staining and phenotypic microbial identification.

Need more testing? We also offer swab testing, ambient air testing, and compressed air testing.

Pricing

contact plate pricing

Testing with Trace Analytics:

To facilitate environmental testing and monitoring, Trace Analytics offers top of the line analysis options including: total plate count, Gram staining, Presumptive Identification and phenotypic microbial identification. Trace’s microbiology laboratory is A2LA accredited to ISO 17025:2017.

Contact us for more information on environmental monitoring please contact our exceptional team of experts.