User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete

Words: Marshall AnhaltAn updated edition of Manual 49, User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete, 2nd Edition, is now available in print and online.

Co-published by ASTM International and the National Ready-Mixed Concrete Association, this new edition represents a significant re-write of all portions of the book. It includes 22 comprehensive chapters that explain every aspect of ASTM C94, the "reference standard" for the industry.

ASTM C94 covers the complex subject of ordering, production and delivery of ready-mixed concrete. There have been many changes and improvements to C94 since the first edition of this manual was printed, especially in the technology for production and delivery of concrete. Manual 49 provides tips and advice and has numerical examples, photos and figures to illustrate proper procedures and implications when C94 is cited in project specifications.

Manual 49, User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete, 2nd Edition, is available for $89 USD in print (978-0-8031-7054-4; Stock # MNL49-2ND) or as an e-book (ISBN: 978-0-8031-7055-1; Stock #: MNL49-2ND-EB).

To purchase ASTM publications, search by stock number on the ASTM Web site (>www.astm.org), or contact ASTM Customer Relations (phone: 877-909-ASTM; sales@astm.org).
Terminations: The Hardest Part of Leadership
May 2026

Throughout my career, I’ve faced a wide variety of challenges, some technical, some interpersonal, and many that forced me to adapt quickly. These days, most of my work is behind a computer in an office, but the lessons I’ve learned apply wherever I go.

The Compliance Shield: Navigating the New Standards of Field Oversight
May 2026

The modern job site is undergoing a quiet but significant transformation. While the physical act of laying a block remains the core of the trade, the environment surrounding that work is becoming increasingly data-driven. We are moving away from the era o

When GEORGE Met BOB: Ironsite Is MCAA's First AI-Centered Cornerstone Partner
May 2026

Earlier this year at World of Concrete, I taught the AI Test Drive class and gave attendees an early look at GEORGE 3.0, which we're set to release later this year. As I was wrapping up the session and people were still asking questions, the team from Iro

Ironsite Joins Masonry Alliance Program as Newest Cornerstone Partner
May 2026

The Mason Contractors Association of America (MCAA) is thrilled to announce that Ironsite will be joining the Masonry Alliance Program (MAP) at the Cornerstone level.