The International Standards Organization's (ISO's) standards mentioned in the article "What do you declare?" can be obtained from ISO's website, www.iso.org, or from the American National Standards Institute's website, www.ansi.org.

The Product Category Rules mentioned in the article can be obtained from ASTM International's website, www.astm.org, and UL's website, UL.com.

The Environmental Product Declarations (EPDs) mentioned in the article can be obtained from NSF International's website, www.nsf.org, and ASTM International's website, www.astm.org.

This Web exclusive information is a supplement to What do you declare?.