Before revision: In 2005, NASA contracted with Orbital Technologies Corporation (ORBITEC) for a second batch of simulant in three URL JSC-1AF, fine, 27 µm average size JSC-1A, a reproduction of JSC 1, less than 1 mm size JSC-1AC, coarse, a distribution of sizes < 5 mm NASA received 14 metric tons of JSC-1A, and one ton each of AF and AC in 2006.
After revision: In 2005, NASA contracted with Orbital Technologies Corporation (ORBITEC) for a second batch of simulant in three grades:NASA.gov JSC-1AF, fine, 27 µm average size JSC-1A, a reproduction of JSC 1, less than 1 mm size JSC-1AC, coarse, a distribution of sizes < 5 mm NASA received 14 metric tons of JSC-1A, and one ton each of AF and AC in 2006.