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ASTM E70-19 - Standard Test Method for pH of Aqueous Solutions With the Glass Electrode
November 1, 2019 - ASTM International

4.1 pH is, within the limits described in 1.1, an accurate measurement of the hydrogen ion concentration and thus is widely used for the characterization of aqueous solutions. 4.2 pH measurement is one of the main process control variables in the chemical industry and has...

ASTM D6323-19 - Standard Guide for Laboratory Subsampling of Media Related to Waste Management Activities
February 1, 2019 - ASTM International

4.1 This guide discusses options for taking a subsample from a sample submitted to a laboratory. If followed, it will minimize the bias and variance of the characteristic of interest of the laboratory sample prior to analysis. 4.2 The guide will describe...

ASTM E3242-20 - Standard Guide for Determination of Representative Sediment Background Concentrations
January 1, 2020 - ASTM International

1.1 This guide focuses on the approach for determination of representative sediment background concentrations used for remedial actions performed under various regulatory programs, including the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Although...

ASTM E2243-13(2019) - Standard Guide for Use of Coal Combustion Products (CCPs) for Surface Mine Reclamation: Re-contouring and Highwall Reclamation
September 1, 2019 - ASTM International

1.1 This guide covers the use of coal combustion products (CCPs) for surface coal mine reclamation applications, as in beneficial use for reestablishing land contours, highwall reclamation, and other reclamation activities requiring fills or soil replacement. The purpose of...

ASTM D6423-19 - Standard Test Method for Determination of pHe of Denatured Fuel Ethanol and Ethanol Fuel Blends
July 1, 2019 - ASTM International

5.1 The acid strength, as measured by pHe, is a good predictor of the corrosion potential of ethanol fuels. It is preferable to total acidity because total acidity does not measure acid strength; overestimates the contribution of weak acids, such as carbonic acid; and...

ASTM F3383-19a - Standard Test Method for Filament Bind of Single Fibers in Synthetic Turf
December 1, 2019 - ASTM International

1.1 This test method applies to tufted synthetic turf produced with at least one bundle of monofilament fibers. 1.2 This test method is applicable to laboratory testing (Method A), and for testing of installed turf (Method B). 1.3 The results from this test method provide an...

ASTM E2625-09(2017) - Standard Practice for Controlling Occupational Exposure to Respirable Crystalline Silica for Construction and Demolition Activities
November 1, 2017 - ASTM International

3.1 These practices and criteria were developed for occupational exposures during construction and demolition activities. They are intended to (a) protect against clinically significant disease from exposure to respirable crystalline silica, (b) be measurable by techniques that are...

ASTM D4463/D4463M-19 - Standard Guide for Metals Free Steam Deactivation of Fresh Fluid Cracking Catalysts
April 1, 2019 - ASTM International

4.1 In general, steam treatment of FCC catalyst can be used either to compare a series of cracking catalysts at a simulated equilibrium condition or conditions, or to simulate the equilibrium condition of a specific cracking unit and a specific...

ASTM E3238-20 - Standard Test Method for Quantitative Measurement of the Chemoattractant Capacity of a Nanoparticulate Material in vitro
January 1, 2020 - ASTM International

1.1 This test method provides a protocol for rapid and quantitative measurement of the chemoattractant capacity of a nanoparticulate material (nanoparticles and their aggregates and agglomerates). 1.2 Immune cells recruitment (by chemotaxis) plays a central role...

ASTM F3425-20 - Standard Guide for Aircraft Electronics Installation Technician Certification
January 1, 2020 - ASTM International

1.1 The purpose of this guide is to address the fundamental subject knowledge activities and functions for avionics professionals to be titled Aircraft Electronics Installation Technicians (AEIT). 1.2 This guide is the basis for the Aircraft Electronics Installation Technician (AEIT)...

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