Approved Methods

LECO instruments conform to the approved methodologies for many organizations.

Download the pdf file of these approved methods, or click on the links below.


Approved Methods Listing
Click on the links below for approved methods listing: 

ASTM (American Society for Testing & Materials)
   Carbon Black
Hardness Testing

ISO (International Organization for Standardization)
   Hardness Testing

UOP (Universal Oil Products)
AOAC (Association of Official Analytical Chemists)
AOCS (American Oil Chemists Society)
ASBC (American Society of Brewing Chemists)
AACC (American Association of Cereal Chemists)
AWS (American Welding Society)
EPA (Environmental Protection Agency)


Did you know that LECO instruments conform to approved methodologies from the following organizations? Click on the images to learn more about these organizations. (Please note that you will be leaving LECO's website)