# Current intelligence bulletin 24 - direct blue 6, direct black 38, direct brown 95 - benzidine derived dyes

> NIOSH current intelligence bulletin published in 1978

**Wikidata**: [Q26375532](https://www.wikidata.org/wiki/Q26375532)  
**Source**: https://4ort.xyz/entity/current-intelligence-bulletin-24-direct-blue-6-direct-black-38-direct-brown-95-benzidine-derived-dyes


## References

1. NIOSHTIC-2
2. Source