All news
-
News
- Image gallery
- Video library
- Safer chemicals podcast
-
Hot topics
- Preventing cancer
- Skin sensitising chemicals
- Per- and polyfluoroalkyl substances (PFAS)
- Microplastics
- Granules and mulches on sports pitches and playgrounds
- Tattoo inks and permanent make-up
- Glyphosate
- Endocrine disruptors
- Bisphenols
- Chemicals Strategy for Sustainability
- Alternatives to animal testing
- Phthalates
- Biocides
- Lead
- Research to enhance protection of our health and environment
- Corporate and visual Identity
- ECHA Articles
All news
How to consider a read-across approach for multi-constituent and UVCB substances
ECHA/NI/17/05
Key issues for assessing the complexity of read-across for multi-constituent and UVCB substances are addressed.
Helsinki, 7 March 2017 - A new document on using read-across for multi-constituent and UVCB (unknown or variable composition, complex reaction products or biological materials) substances describes key issues for assessing and addressing the complexity of read-across approaches for these substances. Furthermore, it contains example model cases to illustrate this complexity.