2004R 16-2004 Standard Recommended Practice for Regulatory Information for Chemicals Used in AASHTO Tests
2002R 16-2002 Standard Recommended Practice for Regulatory Information for Chemicals Used in AASHTO Tests (HM-22; Part IB)
1998R 16-1998 Standard Recommended Practice for Regulatory Information for Chemicals Used in AASHTO Tests (Nineteenth Edition; Revised Per Interim Specifications - Specifications - 1999)
1993R 16-1993 Standard Recommended Practice for Regulatory Information for Chemicals Used in AASHTO Tests (Eighteenth Edition)