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D5680-14 – Standard Test Method Technical Guide
ASTM D5680-14 (Reapproved 2022), developed under the jurisdiction of Committee D34 on Waste Management, outlines standardized equipment and methodologies for collecting representative samples of unconsolidated solids from drums and comparable containers. This practice is essential for environmental site assessments, waste characterization, and compliance activities involving hazardous materials.
📐 Scope and Applicability
The primary scope of this practice is limited to containers with a volume of 110 U.S. gallons (416 liters) or less. It is specifically adapted for unconsolidated solids, covering hazardous materials, products, and wastes. A site-specific work plan must detail particular sample collection and handling procedures. According to the standard, values stated in inch-pound units are regarded as the standard, while SI units in parentheses are mathematical conversions provided for information only.
| 🟦 Key Parameter | 📏 Specification | 🎯 Compliance/Action |
|---|---|---|
| Container Volume Limit | 110 U.S. gal (416 L) | Target drums of this size or less |
| Material Type | Unconsolidated Solids | Hazardous waste, product, or contaminated media |
| Unit System | Inch-Pound (Standard) | SI units provided for informational context |
| Status | Active, Reapproved 2022 | Current standard for sampling procedures |
⚙️ Sampling Methods and Safety Considerations
The standard integrates numerous companion ASTM practices for specific sampling tools. Methods cover the use of trier samplers (D5451) and scoops (D5633). The comprehensive approach requires careful planning, as outlined in D4687 (General Planning of Waste Sampling) and D5283 (Quality Assurance and Quality Control).
⚠️ Safety and Regulatory Compliance: D5680 does not address all safety concerns. Users must establish appropriate safety, health, and environmental practices and determine regulatory applicability. The standard specifically references the NIOSH, OSHA, USCG, and EPA’s Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities.
A critical safety measure defined in the terminology is bonding, which involves touching the sampling equipment to the drum to create an electrically conductive path, minimizing the potential for electrostatic discharge in potentially flammable atmospheres.
📊 Quality Assurance and Referenced Standards
Effective sampling relies on a robust framework of supporting standards. The practice extensively references other ASTM guides and government documents to ensure sample integrity, from planning through laboratory subsampling. Decontamination of field equipment must follow D5088 to prevent cross-contamination.
The following table summarizes key referenced standards for field operations:
| 🟦 Standard | ⚡ Focus Area | 🎯 Purpose |
|---|---|---|
| D5451 Practice | Trier Sampler | Sampling using a trier |
| D5633 Practice | Scoop Sampler | Sampling with a scoop |
| D5088 Practice | Decontamination | Cleaning field equipment at waste sites |
| C702/C702M Practice | Sample Reduction | Reducing aggregate samples to testing size |
| D4547 Guide | VOC Sampling | Sampling waste and soils for volatile organic compounds |
💡 Key Terminology: The standard defines “bonding” specifically as a safety action where the sampling equipment touches the drum to equalize electrical potential. This is a distinct requirement of D5680 to prevent ignition during sampling of unconsolidated solids in containers.
❓ Frequently Asked Questions
🔍 What is the maximum volume of a drum covered by this practice?
The standard covers drums and similar containers having a volume of 110 U.S. gal (416 L) or less. This ensures the methods are applicable to typical waste drums and pails.
📌 Which regulatory agencies collaborated on the safety manual referenced in this standard?
The standard references the Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities from 1985, developed jointly by NIOSH, OSHA, the U.S. Coast Guard (USCG), and the U.S. Environmental Protection Agency (EPA).
⚡ How does the standard define “bonding” in the sampling context?
“Bonding” is defined as the act of touching the sample equipment to the drum to form an electrically conductive path. This action is intended to minimize the potential (electrostatic discharge) between the sampler and the container.
💡 Are the metric (SI) units in this standard mandatory for compliance?
No. The standard explicitly states that inch-pound units are to be regarded as the standard. The values given in parentheses (SI units) are mathematical conversions provided for information only and are not considered standard for compliance.