1.1 This specification covers muriatic acid, also known as technical grade hydrochloric acid.

1.2 This specification includes requirements for muriatic acid available commercially in 20° Baume and 22° Baume concentration grades.

1.3 The following precautionary caveat pertains only to the test method portion, Section 5, of this specification: This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.