Those materials have a specific gravity more than 1. Pure water at 4 C (the maximum density) was chosen as the accepted standard for specific gravity and given the value of 1. Some other standards set pure water at 60 F as sg = 1 so it is more correct to state the base used.
Riverside County Income and Careers. As of 2010-2014, the per capita income of Riverside County is $23,660, which is lower than the state average of $29,906 and is lower than the national average of $28,555. Riverside County median household income is $56,592, which has grown by 31.96% since 2000. The median household income growth rate is higher than the state average rate of 29.47% and is higher than the national average rate of 27.36%.
Living Wage Calculation for San Bernardino County, California. The living wage shown is the hourly rate that an individual must earn to support their family, if they are the sole provider and are working full-time (2080 hours per year). All values are per adult in a family unless otherwise noted. The state minimum wage is the same for all individuals, regardless of how many dependents they may have. The poverty rate is typically quoted as gross annual income. We have converted it to an hourly wage for the sake of comparison.