ITRBInformation Technology Resources Board (US government)
ITRBInformation Technology Review Board
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The ITRB also shares information across all levels of government in the form of publicly available guides.
2]/g, structure (DBP) from 65 to 140 ml/100g (CDBP = 61-90 ml/100g), and TINT from 46-64% ITRB.
2]/g as measures of area (particle size), DBPA (D2414) from 65 to 140cc/100g and CDBPA (D3493) from 61 to 90cc/100g as measures of aggregate structure and tint (D3265) from 46 to 64% ITRB as a measure of aggregate size.