Technical Services

CRMCA Technical Advisory: Deicer Scaling Resistance
03.21.2023Industry News, Technical Services
CRMCA Technical Advisory: Deicer Scaling Resistance – Updated Residential Concrete Requirements ACI Committee 332 Residential Concrete Work has changed the minimum quality requirements for concrete exposed to freezing/thawing in the presence of deicer chemicals, exposure Class RF3. The most recent Code, Residential Code Requirements for Structural Concrete ACI 332-20, now requires that the concrete have...
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EPA Finalizes New Stormwater Discharge Permit for 2021
02.22.2021Industry News, Technical Services
Last Friday, the Environmental Protection Agency (EPA) finalized anticipated new stormwater discharge regulations, known more formally as the “2021 National Pollutant Discharge Elimination System (NPDES) general permit for stormwater discharges associated with industrial activity” and also referred to as the “2021 Multi-Sector General Permit (MSGP)”. The MSGP is updated every five years in accordance with MSGP...
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SC DHEC Bureau of Air Quality Regulatory Update 4/24/20
04.24.2020Industry News, Technical Services
DHEC Bureau of Air Quality Regulatory Stakeholders,   1. Notice of Final Rulemaking: 2018 General Assembly Package Revision – On April 24, 2020, the Department of Health and Environmental Control’s (Department) Bureau of Air Quality published a Notice of Final Regulation amending Regulation 61-62, Air Pollution Control Regulations and Standards, and the South Carolina Air Quality Implementation Plan...
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NCDOT releases clarification and guidance for RMC facilities Water Sampling and Water Submittal for NCDOT Mix Designs
07.10.2019Industry News, Technical Services
NCDOT has released the letter below with the most recent clarification and guidance for Ready Mix Concrete Facilities Water Sampling and Water submittal for NC DOT Mix Designs. Please review and should you have any questions they are requesting that they be directed to your local M&T representative. ReadyMixWaterSampling_July2019 Details of letter: July 1, 2019...
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Guest Post: No More Low-Alkali Cement – WHY!
05.13.2019Education & Training, Technical Services
No More Low-Alkali Cement – WHY! Robert E. Neal, Lehigh Cement Co. Beginning in 2019 there will no longer be “low-alkali cement”! What? Has the portland cement manufacturing processed changed such that low-alkali cement doesn’t exist anymore – the answer is NO. But in June of 2019 ASTM C 150 Standard Specification for Portland Cement...
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