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.
Customer Service:1-800-743-5000. 1  Welcome to OG&E Customer Service. To setup or review an installment plan, say payment arrangement or press one. 2  For account balance and related details, say account information or press two. Okay, account information, please say or enter your account number including the number after the dash.