Calibration Verification / Linearity Products 

Provided by AUDIT MicroControls

Products available for General Chemistry, Cardiac, Immunoassay, Immunology, Diabetes, Urine Chemistry, Therapeutic Drug Monitoring, and Blood Gas.

Purchase includes access to AUDITOR™, a QC data reduction software tool to view group peer data, evaluate, and create reports. Shipping available in the US.


Receive 10% off plus free shipping* when you order $500 or more on AUDIT linearity/calibration verification products through WSLH PT. Offer valid February 1 – April 30, 2021 for U.S. facilities only.

*Free shipping is available for continental U.S. only (AK, HI, and Puerto Rico excluded).

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Click the “order now” button above to get started. Questions? Contact WSLH PT Customer Service at or at (800) 462-5261.

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Accuracy Monitoring Program

Provided by CEQAL

Human based samples with target values assigned by reference method or gravimetric additions.

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Assayed Sample Sets

Pre-assayed sample sets that can be used for test validation, method correlation, staff training, and competency.

Available for Blood Lead, Anti-HIV, and HIV p24 antigen.


Contact WSLH Proficiency Testing | (800) 462-5261 |