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Sharing our best and latest insights for reference standards to the petroleum, crude oil, lube oil, and polymers industries.

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Chris Carolan

Recent Posts

May 15, 2018

The Top 5 Problems with Certified Reference Material Manufacturing (And How to Fix Them)

Have you ever received a product in the mail that wasn't what you thought it was going to be? Perhaps the fit wasn't right or it didn't work as you expected? No matter where...

May 4, 2017

Burning Question #4: What Happens If I Violate a Run Rule?

Welcome back to our ongoing EPA Tier 3 Informational Series. Stay knowledgeable with our previous Burning Questions related to:
  1. Ongoing Precision
  2. SQC Accuracy...

April 6, 2017

Understanding Key Terms in ASTM D6299

Your Study Guide to ASTM D6299 Terminology

When it comes to ASTM D6299, it's important that we speak the same language. ASTM D6299 is a critical piece of the EPA Tier 3...

March 16, 2017

EPA Tier 3 or ASTM D6299?

Welcome back! It's time for question #3 of our ongoing EPA Tier 3 informational series. While today's question and answer may be the shortest in the series, it may be the most...

March 10, 2017

EPA Tier 3 Burning Question #2: What are the accuracy SQC requirements?

Welcome back to our ongoing discussion of EPA Tier 3. For today's discussion we look at:

February 21, 2017

EPA Tier 3 Burning Question Series - Question 1 - Ongoing Precision?

Today we are talking about precision testing under Tier III.

January 17, 2017

EPA Tier 3 Breaking News! Two Decimal Places No More!

Refiners, Importers, Testing Labs, lend me your EPA Tier 3 Gasoline Sulfur results!