Many kinds of chemicals and equipment are regulated by different authorities. These controlled items may require licenses to store or use them whereas some would have a maximum allowable quantity (MAQ) that can be kept in the school. In order to ensure, the requirements are followed, these chemicals and equipment needs to be tracked. If the items you are purchasing via ARIBA is listed as a controlled item, please indicate it as a controlled item by clicking ‘Yes’ in the purchase requisition (PR).
Please refer to the following SOP for procedure on
purchasing chemicals.
List of Controlled Items
A) Petroleum & Flammable Materials / Hazardous Substances / Biological Agents & Toxins / CWCs / EPs under the Regulated Chemical List
B) Flammable Gases/Gas Mixtures
These
include gases such as Hydrogen, Ethylene, Methane and gas mixtures such as 5%H2
+ AR balance. (Note: This list is not exhaustive)
Please
refer to Safety Data Sheets of the gases/gas mixtures that you intend to
purchase in order to determine if these gases/gas mixtures are flammable.
C) High Power Lasers
High power lasers of Class 3B and above.
D) Ultrasonic Baths/Sonicators
Ultrasonic Baths/Sonicators with power output of
50W and above.
E) Metallic Mercury and Mercury containing devices
These include liquid mercury of any kind, either in an instrument
(such as a thermometer, manometer or McCloud gauge), a bubbler, or just in a
bottle.
F) Special Cabinets(Please refer to the table below)
| Yellow flammable
cabinets for storage of flammable solvents |
|
| Grey cabinets for
storage of chemicals |
|
| Acid cabinets for
storage of corrosive acids |
|
G) Pressure Vessels (Please refer to the table below)