An active clearance is one in which the candidate is presently eligible for access to classified information. A current clearance is one in which a candidate has been determined eligible for access to classified information but is not currently eligible without a reinstatement.
The NCTM Standards evolved over several years, beginning with the 1980 report An Agenda for Action (NCTM, 1980), an important precursor to the NCTM Standards documents. A set of events and circumstances took place in the 1980s that spurred the need for standards and for national direction in mathematics education.
For 117 years, ASTM has been the forum where industry experts come together to create standards that touch every part of everyday life. Currently, 12,575 ASTM standards are applied worldwide, with approximately 50 percent of ASTM standards distributed outside the United States. From children's toys to jet fuel, ASTM standards harness the expertise and commitment of our 30,000-strong membership in over 140 countries.