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Related Experiment Video

Updated: May 20, 2026

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

Control banding approaches for nanomaterials.

Derk H Brouwer¹

¹TNO Research Group Quality and Safety, PO Box 360, 3700 AJ Zeist, The Netherlands. dick.brouwer@tno.nl

The Annals of Occupational Hygiene

|July 4, 2012

Summary

Control banding (CB) offers a pragmatic approach to managing risks from hazardous substances when data is limited. Comparing six CB tools for nanomaterials reveals structural differences that impact risk assessment consistency.

Area of Science:

Occupational Health and Safety
Risk Assessment
Nanomaterial Safety

Background:

Control banding (CB) is a risk management strategy used when toxicological and exposure data are scarce.
CB tools are increasingly applied to emerging risks, including nanoparticles.
Several CB-based tools exist for nanomaterial risk management.

Purpose of the Study:

To compare six existing control banding tools applied to nanomaterials.
To identify differences in structure, applicability, and hazard/exposure band assignment among these tools.
To enhance the utility of CB tools for nanomaterials by clarifying their distinctions.

Main Methods:

Comparative analysis of six control banding tools.
Evaluation of tool structure, applicability domains, and band assignment methodologies.

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Focus on tools used for nanomaterial risk management.

Main Results:

All compared CB tools combine hazard and exposure information into risk bands.
Significant differences exist in the structure, applicability, and band assignment criteria across the tools.
These variations can lead to inconsistencies in risk assessment outcomes for nanomaterials.

Conclusions:

Existing control banding tools for nanomaterials exhibit notable differences.
Transparently outlining these differences is crucial for users selecting appropriate tools.
Enhancing user understanding of CB tool variations can improve nanomaterial risk management consistency.