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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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November 16, 2017

Join Team ASI at Houston's ASTM Meeting!

Coming this December, Team ASI will be attending the D02 Petroleum Products and Lubricants ASTM Meeting in Houston! We invite you to visit our hospitality suite at the Marriott...

September 8, 2017

6 Things to Know About Calibration Standards

Throughout life we complete many tedious but necessary tasks. Brush our teeth, eat our broccoli, limit our coffee intake to about 4 cups a day (you too?). But rarely do we ask...

July 18, 2017

5 Reasons Why You Need Check Samples in Your Quality Control

Why check samples? To check your measurement system means to have a certain level of quality assurance in your business. Using check samples to monitor your quality control...

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!

November 11, 2016

ASTM D02 Petroleum Products, Liquid Fuels, and Lubricants Meeting

ASI Standards will be attending the ASTM D02 Petroleum Products, Liquid Fuels, and Lubricants Meeting in Lake Buena Vista, FL December 4th-8th.