FED-STD-501A (CHANGE NOTICE 1), FEDERAL TEST METHOD STANDARD: FLOOR COVERING, RESILIENT, NONTEXTILE, SAMPLING AND TESTING (11 AUG 1969)

FED-STD-501A (CHANGE NOTICE 1), FEDERAL TEST METHOD STANDARD: FLOOR COVERING, RESILIENT, NONTEXTILE, SAMPLING AND TESTING (11 AUG 1969)., The following changes in Federal Test Method Standard No. 501A, dated June 15, 1966, have been approved by the Commissioner, Federal Supply Service, General Services Administration, for the use of all Federal agencies.