The technical definitions for combustible dust vary. In Canada, the Hazardous Products Regulation (WHMIS 2015) defines combustible dust as  a mixture or substance that is in the form of finely divided solid particles that, upon ignition, is liable to catch fire or explode when dispersed in air.
Some rewards from employee incentive contests are exempt from income tax. Such rewards must be tangible personal property, for example, material goods that are for personal use and that are not deductable from the companyâs operating costs. Such rewards are not classified as income, but only up to the value of $1,600.
United States of America. Federal Insurance Contributions Act (FICA) tax (/ËfaÉªkÉ/) is a United States federal payroll (or employment) tax imposed on both employees and employers to fund Social Security and Medicareâfederal programs that provide benefits for retirees, the disabled, and children of deceased workers.