Proposed changes to Workplace Exposure Standards (WESs)

We consulted on proposed changes to Workplace Exposure Standards (WESs) for the following substance:

  • Ethanedinitrile (aka EDN, cyanogen,  oxalonitrile) - CAS number 460-19-5

A review has been completed to recommend a proposed new WES value. The review document, which provides the rationale behind the proposed change is available below, along with the response form. 

Workplace exposure standard (WES) review: Ethanedinitrile (PDF 185 KB)

Response form: Ethanedinitrile (DOCX 400 KB)

Deadline for feedback:

Feedback must have been received by 11th April 2018.

Official Information Act:

We are subject to the Official Information Act 1982, which means that your submission may be made available to those seeking information under that Act.