EPA Tier 3 Standards

ASI has created an easy, trustworthy, no-hassle way to find and acquire the standards you need for EPA and ASTM compliance.

Quick Shipping

Most sulfur sets ship in 1-2 days. Custom standards with 10 day lead times.

Accurate Standards

Our lab has ISO 17034 and ISO 9001 certifications. Each product has traceable formulation records, testing, and quality control records.

Quality Guaranteed

Quality guaranteed or we replace
it at no cost.

Frequently Asked Questions

Refiners, Diesel Manufacturers, Sulfur Diesel Manufacturers, Marine Diesel Manufacturers, Automobile Manufacturers, Pipeline and Storage Terminals
Ensure reliable and consistent product to consumers
Validate sulfur analysis
Assure accurate results backed by NIST traceability and uncertainty
Ensure quality of analytical measurements for optimal quality
Minimize EPA audit risk
Simplify the sample preparation process
Maintain quality results for standards test method requirments (EPA, ASTM, etc.)
Promptly discover contamination
EPA 80.580 ULSD, 80.47 Tier 3 Gasoline, Part 80 Category 3 ECA Marine Fuel and MARPOL Annex VI
ASTM D5453, D2622, D4294, D7039, D7220
Ultraviolet Fluorescence (UVF) or X-ray Fluorescence (XRF) Spectrometry
Sulfur standards for EPA ULSD, Sulfur Standards for EPA/ECA MARPOL, Sulfur Standards for EPA Tier 3 Gasoline
Standards should be replaced every year.