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.
Employer's Payroll Expenses. Employers are also required to pay Social Security and Medicare taxes based on their total payroll. The total employer and employee payroll taxes are also called FICA taxes, because they are requirements under the Federal Insurance Contributions Act.The employer is also required to remit unemployment tax payments under the Federal Unemployment Tax Act (FUTA). There is no equivalent employee portion of FUTA.mployer's Payroll Expenses. Employers are also required to pay Social Security and Medicare taxes based on their total payroll. The total employer and employee payroll taxes are also called FICA taxes, because they are requirements under the Federal Insurance Contributions Act.