Another researcher identified the character of household wastewater using average and. maximum levels. Average BOD. 5 levels were identified as 200 mg/L with a maximum of 400 mg/L, average TSS levels of 200 mg/L with a maximum of 400 mg/L, and average Grease levels of 50 mg/L. with a maximum of 150 mg/L (Laak, 1986).
home glossary Circular E. Circular E, Employer's Tax Guide, also known and Publication 15, is published annually by the IRS and includes definitions of frequently used payroll terms and concepts, rules and regulations for the filing of federal employment taxes, and percentage method and wage bracket federal income tax withholding tables.
A. It is the account number you use to file your quarterly unemployment taxes (box 6 on the 5208-A form). It also is printed on the top right corner of your annual tax-rate notice and the statement of benefit charges we send you. The format of the number is: 123456 78 9. If the number begins with 600, 601 or 602 and is formatted like this: 60X 456 789, it is the Unified Business Identifier (UBI) number, not the ES reference number. If you cannot locate your ES reference number, please call your district tax office. more.