There are several key advantages to using bioremediation as opposed to other, more traditional remediation methods. Firstly, because it can normally be conducted in-situ, bioremediation tends to be the most cost effective option, as it does not involve any costly transportation of hazardous materials.
The Seattle Sales Tax is collected by the merchant on all qualifying sales made within Seattle Groceries are exempt from the Seattle and Washington state sales taxes Seattle collects a 3.5% local sales tax, the maximum local sales tax allowed under Washington law
How 2017 Sales taxes are calculated in Washington. The state general sales tax rate of Washington is 6.5%. Cities and/or municipalities of Washington are allowed to collect their own rate that can get up to 3.4% in city sales tax.