Team ASI Blog

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

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 important of the... read more

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 will be looking at: read more

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

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