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Materials Sampling Manual (MSM)

The MSM has been developed by the Agency to provide adopted practices for accepting materials. The MSM version in effect at the time of letting will be the MSM applicable for the respective contract.

Special Specifications: Pay Item and Certification Quick Reference

Special Specifications: Frequency Chart

Effective Dates (as of Bid Letting) Materials Sampling Manual Version
February 22, 2024 to Present MSM24.1
April 25, 2023 to February 21, 2024 MSM23.2
January 24, 2023 to April 24, 2023 MSM23.1
October 25, 2022 to January 23, 2023 MSM22.4
July 26, 2022 to October 24, 2022 MSM22.3
April 26, 2022 to July 25, 2022 MSM22.2
January 25, 2022 to April 25, 2022 MSM22.1
October 26, 2021 to January 24, 2022 MSM21.2
July 27, 2021 to October 25, 2021 MSM21.2
April 27, 2021 to July 26, 2021 MSM21.2
January 26, 2021 to April 26, 2021 MSM21.1
October 27, 2020 to January 25, 2021 MSM20.4
July 28, 2020 to October 26, 2020 MSM20.3
April 28, 2020 to July 27, 2020 MSM20.2
January 28, 2020 to April 27, 2020 MSM20.1
October 22, 2019 to January 27, 2020 MSM19.4