---
code: "ASTM D75/D75M"
title: "Standard practice for sampling aggregates"
institution: "ASTM"
category: "sample-preparation"
revision: "2019"
scope: "Establishes procedures for obtaining representative samples of aggregates from stockpiles, bins, conveyors, and transportation units so that laboratory subsamples reflect the delivered or stored material."
testMethod: "Defines equipment, increment spacing, and minimum masses for field samples as functions of nominal maximum aggregate size; addresses flowing and non-flowing streams and layered stockpiles."
specimenRequirements: "Sample containers shall prevent moisture loss or contamination where required; identification and chain of custody shall accompany samples from field to laboratory reduction steps."
url: "https://vectorbtc.com.tr/resources/standards/astm-d75/"
---

ASTM D75/D75M sits upstream of laboratory reduction (including crushing and splitting) in many aggregate QC programmes and is often cited together with ASTM C702/C702M.