1.1 This specification covers lime and limestone products suitable for environmental uses as shown in . 1.2 The buyer shall designate the use, as listed in , and may specify one or more of the type designations listed below . This standard does not purport to address all of the safety concerns, 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 requirements prior to use.