Quality Policies
Our ISO 9001:2015 management system guarantees that every tonne of coal meets the highest international quality standards.
Quality Policy Statement
At Carboing we commit to supplying mineral coal that meets and exceeds our clients' requirements, ensuring the efficiency of our processes, the continuous improvement of our management system and compliance with all legal and regulatory requirements applicable to our activity. Our quality is the result of committed people, controlled processes and an organisational culture that places excellence at the centre of every decision.
— General Management, Carboing
The 4 Pillars of Our Quality
The ISO 9001:2015 system is founded on four principles that guide all our operations.
1. Customer Focus
We understand and anticipate each client's needs. Every technical specification, every delivery deadline and every analysis protocol exists to ensure the client receives exactly what they need for their industrial process.
- Custom technical specifications
- Proactive incident communication
- Post-delivery satisfaction surveys
2. Continuous Improvement
We review and optimise our processes systematically. Internal audits, performance indicators and management review cycles ensure we are always improving.
- PDCA cycles in all processes
- Semi-annual internal audits
- Quality KPIs monitored monthly
3. Process Approach
Every Carboing activity is a defined, documented and controlled process. From mine extraction to client dispatch, each stage has clear owners, procedures and acceptance criteria.
- Documented process map
- Standard Operating Procedures (SOP)
- Structured change control
4. Evidence-Based Decisions
No quality decision is made without data. Our laboratory generates certified analysis of every batch, and historical data feeds predictive models that allow us to anticipate deviations before they occur.
- Laboratory analysis per exported batch
- Historical parameter database
- Root cause analysis for non-conformities
Quality Control Procedure
Quality control at Carboing operates at three verification levels: at the mine during extraction, at the plant during processing and in the laboratory before dispatch. This triple-verification system minimises the possibility of any out-of-specification batch reaching the client.
Visual sampling and rapid in-situ analyses to verify the seam before mass extraction.
Statistical sampling during classification and processing. Rejection and reprocessing of out-of-range material.
Complete per-batch analysis according to ASTM standards. Quality certificate issued and delivered with the shipment.
Laboratory Analysis
Each Carboing coal batch is accompanied by an analysis certificate with the following parameters:
| Parameter | Applied Standard | Frequency | Instrument |
|---|---|---|---|
| Calorific Value (kcal/kg) | ASTM D5865 | Per batch | Adiabatic calorimeter |
| Total Moisture (%) | ASTM D3302 | Per batch | Certified drying oven |
| Ash Content (%) | ASTM D3174 | Per batch | Muffle furnace |
| Total Sulphur (%) | ASTM D4239 | Per batch | LECO analyser |
| Volatile Matter (%) | ASTM D3175 | Per batch | Muffle furnace |
| Fixed Carbon (%) | ASTM D3172 | Per batch | Differential calculation |
| Granulometry (mm) | ASTM D4749 | Per batch | Certified sieve series |
Need a sample analysis?
We can send you a laboratory analysis of our coal before any purchase commitment. Contact us.