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D5013-18 – Standard Test Method Technical Guide
ASTM D5013-18 describes standardized practices for obtaining descriptive samples of waste materials from point discharges, including pipes, sluiceways, conduits, and conveyor belts. Developed in accordance with WTO principles for international standards, it focuses on manual grab sampling techniques where automatic methods are unsuitable.
🔮 Scope and Applicability of D5013-18
These practices are designed for situations where other ASTM sampling methods (e.g., D140/D140M, D75/D75M) are inapplicable. The standard is split into two distinct protocols based on waste consistency:
| 🟦 Practice | 📏 Waste Type | 📐 Discharge Examples | 🎯 Relevant Sections |
|---|---|---|---|
| Practice A | Liquid or Slurry Discharges | Pipes, sluiceways, conduits | 7 – 9 |
| Practice B | Solid or Semisolid Discharges | Conveyor belts, chutes | 10 – 12 |
The standard explicitly excludes flow-proportional, time-proportional, and other automatic sampling devices (Section 1.3). Samples are strictly descriptive for the specific time frame in which they are collected (Section 1.4).
⚙️ Sampling Design and Variability Assessment
Section 3.1 establishes the methodology for creating a sampling plan. The user must first determine the variability of the waste stream based on process knowledge or a preliminary investigation. The final sampling design must integrate this variability data alongside the required precision, accuracy, and time representation for the subsequent waste analysis or testing. The procedure itself involves collecting several manual grab samples from across the moving waste stream.
📌 Practical Guidance for Manual Sampling: Because automatic samplers are not covered by this standard, operators must be trained to manually extract grab samples representative of the entire cross-section of the flow. This practice requires careful attention to safety and the transient nature of the waste stream (Section 1.4).
D5013-18 relies on a network of companion standards for comprehensive quality control. The key referenced documents from Section 2 include:
| 🟦 Standard | 📏 Title | ⚡ Function |
|---|---|---|
| D4687 | Guide for General Planning of Waste Sampling | Overall sampling strategy and planning |
| D140/D140M | Practice for Sampling Asphalt Materials | Alternate industry-specific method |
| D75/D75M | Practice for Sampling Aggregates | Alternate industry-specific method |
| E882 | Guide for Accountability and Quality Control | Laboratory quality
📥 Standard Documents Download |