Storing class 6 and 8 hazardous substances

This guide describes the requirements for storing certain toxic (class 6.1A, 6.1B, 6.1C) and corrosive (class 8.2A and 8.2B) substances.

When class 6.1A, 6.1B, 6.1C, 8.2A and 8.2B substances are stored at a place in quantities above certain thresholds, a hazardous substance location (HSL) must be established there.

Every HSL for solid or liquid class 6 & 8 substances needs a location compliance certificate.

Storing class 6 & 8 hazardous substances - quick guide (PDF 105 KB)

This guide explains:

  • when you need to establish an HSL to store toxic and corrosive substances
  • the rules for storing toxic and corrosive substances at HSLs
  • when you need a location compliance certificate, and what you need to do to get one
  • how to store toxic and corrosive substances outside HSLs
  • which substances are incompatible with class 6 & 8 substances
  • other requirements when storing these substances, such as having an emergency response plan.