We then ship the standards back to you and you integrate them into your sampling event or we ship them directly to the lab. The Certified Values are simultaneously sent to you under separate cover. Only you know that the samples are PE standards and what the results should be. QC program is on track. Things are running smoothly.
Blanks are clean.
Control samples are in control. ERA can help you find out. And we have more programs than anyone else. Combine this flexibility with our over 20 years of experience and you'll get your answers quickly and cost effectively. Our customers have been using ERA's Laboratory Evaluation programs for years to prove and improve the quality of their data.