1.1 These test methods cover procedures for sampling and testing fly ash and raw or calcined pozzolans for use in portland-cement concrete. 1.2 The procedures appear in the following order: Sections Sampling 7 CHEMICAL ANALYSIS Reagents and apparatus 10 Moisture content 11 and 12 Loss on ignition 13 and 14 Silicon dioxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide, sulfur trioxide, sodium oxide and potassium oxide 15 Available alkali 16 and 17 PHYSICAL TESTS Density 18 Fineness 19 Increase of drying shrinkage of mortar bars 20 to 22 Soundness 23 Air-entrainment of mortar 24 and 25 Strength activity index with portland cement 26 to 29 Water requirement 30 Effectiveness of Fly Ash or Natural Pozzolan in Controlling Alkali-Silica Reactions 31 Effectiveness of Fly Ash or Natural Pozzolan in Contributing to Sulfate Resistance 33 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.5 The text of this standard references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables) shall not be considered as requirements of this standard.