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Testing and Certification

The Canadian Standards Association (CSA) is a Canadian-accredited standards development organization (SDO). Under its umbrella is CSA America, which develops standards for gas (natural, liquid petroleum and hydrogen) appliances marketed in the U.S. and CSA International, an independent and separate product testing and certification group.

Underwriters Laboratory (UL) is another independent, not-for-profit testing facility and perhaps one of the most well known of its kind. UL also tests and certifies products for safety and efficiency.

ASTM is accredited in the U.S. by ANSI. It is also one of the largest SDOs in an arena where 20 companies produce 90% of the standards. Membership in ASTM permits interested parties an opportunity to sit on ASTM's standard setting committees.