Guidance on the application of GHS criteria to petroleum substances (updated in 2019)
The updated 2019 IPIECA GHS guidance includes a detailed discussion of a “weight of evidence” (WoE) approach and presents a stepwise path to determining the best data to be used for classification decisions. An updated classification flowchart utilizes a three-tiered approach in which substance-specific toxicity data are considered first, followed by read-across data and then data for hazardous constituents.
Given the expanding international market in chemical substances [...]




























