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).
IRS Releases 2016 Publications 15, Circular E; 15-A; and 15-B. The IRS has released the 2016 Circular E, Employerâs Tax Guide (Publication 15); the Employerâs Supplemental Tax Guide (Publication 15-A), and the Employerâs Tax Guide to Fringe Benefits (Publication 15-B). Circular E includes the 2016 Percentage Method Tables and Wage Bracket Tables for Income Tax Withholding.
Each letter contains a unique Certified Mail article number that is 21 digits long and the number is express as a bar code on the outside of the letter beginning with a â94, 70 or â71â² article number. These article numbers match back to an electronic file used to print the Electronic Return Receipt PDF file. This provides the sender a fast and easy way to store âCertified Mailâ Electronic Reports that provide proof of mailing and USPS letter delivery confirmation. Using a Certified Mail Envelope with Electronic Return Receiptâ¢ provides the âin-routeâ letter tracking and the final letter delivery scan for each letter.