Dust sampling and laboratory testing procedures after underground coal mine explosions /

"June 1996."

DWI detection and divided attention field sobriety testing: a self instructional training program for law enforcement officers. Final report.

Mode of access: Internet.

Sampling and testing of ready mixed concrete /

Mode of access: Internet.

Tentative standard methods of sampling and testing highway materials, adopted by the American Association of State Highway Officials and approved by the Secretary of Agriculture for use in connection with federal-aid road construction. Issued May, 1924; rev. Sept. 1928.

Cover title.

Sampling and testing for chloride ion in concrete /

Mode of access: Internet.

Butterfat sampling and testing problems : a nine-market study /

Literature cited: p. 59-60.