This info is available in the CRC Handbook of Chemistry and Physics.
Toluene: at 0 degrees C: 2.438; at 25 degrees C: 2.379
Isopropanol: at 25 degrees C: 20.1; at negative 80 degrees C: 38.
I prefer the term bunding (a term which our engineers in England, Australia and New Zealand use) to secondary containment.
There are API standards (www.api.org, look for storage tanks, the documents cost about US$50) but here are our simplified standards:
All secondary containment systems...
There are many different types - but here is Xerox's dry ink cartridge. Other MSDS's for a particular brand may be obtained directly from the manufacturer.
OHIO STATE UNIVERSITY COLLEGE OF BIOLOGICAL SCIENCES MSDS FILE
XEROX -- TONER-DEVELOPER CARTRIDGE-DRY INK CARTRIDGE
MATERIAL SAFETY DATA...
The answer to this depends on additional facts. Are you trying to clean air for emission to the environment or trying to provide a clean air environment for employees or both?
Myles
