Specific Gravity 02 : The ratio of the weight of material to be weight of an equal volume of water usually at 20 degrees C, unless otherwise specified. Specific gravity of water = 1
The Association of Petrochemicals Producers in Europe (APPE), The European petrochemical industry, Glossary of Terms on Chemical Safety for Use in IPCS Publications, van Nieuwenhuyse, Brussels 2006. http://www.petrochemistry.eu/glossary.html, (Petrochem Ind - Brit) {473}