Restricted Components Regulations Coming Into Force in Canada
Below is a MRR and PLR article in category Business -> subcategory Other.

New Regulations on Restricted Chemical Components in Canada
Summary
To combat terrorism, the Government of Canada has classified nine chemicals as "restricted components." Manufacturers and sellers must ensure compliance with these new regulations.---
In a move to prevent the creation of explosives by terrorists, Canada has introduced the Restricted Components Regulations under the Explosives Act. This new policy identifies nine chemicals, known as explosive precursors, as restricted components:
- Ammonium nitrate: Solid form, 28-34% nitrogen
- Hydrogen peroxide: At least 30% concentration, UN 2015 and 3149
- Nitromethane: UN 1261
- Potassium chlorate: UN 1485
- Potassium perchlorate: UN 1489
- Sodium chlorate: Solid form, UN 1495
- Nitric acid: At least 68% concentration, UN 2031 and 2032
- Potassium nitrate: UN 1486 and 1499
- Sodium nitrate: Solid form, UN 1498 and 1499
These substances were selected because of their involvement in past terrorist attacks, such as the Oklahoma City bombing in 1995, the World Trade Center bombing in 1993, and the London bombings in 2005.
Only businesses listed as "sellers of restricted components" can sell these substances. Exceptions are made for laboratories associated with post-secondary institutions, hospitals, or government agencies.
Generally, these regulations apply to pure substances unless specified otherwise. Canada’s Ministry of Natural Resources clarifies that most restricted components are regulated only in their pure form, except for H2O2, nitric acid, and ammonium nitrate.
Sellers must adhere to several rules regarding these components, focused on security measures such as restricting access to authorized personnel, conducting weekly stock inspections, and maintaining detailed sales records. They must record sales when they exceed the following amounts:
- Hydrogen peroxide: 1 L
- Nitromethane: 1 L
- Potassium chlorate: 1 kg
- Potassium perchlorate: 10 kg
- Sodium chlorate: 1 kg
- Nitric acid: 3.5 kg
- Potassium nitrate: 25 kg
- Sodium nitrate: 25 kg
The regulations become effective on June 1, 2008, for ammonium nitrate and March 1, 2009, for the other chemicals. For more information, visit the Government of Canada's website.
You can find the original non-AI version of this article here: Restricted Components Regulations Coming Into Force in Canada.
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