Chapter 10: On-Site Wastewater Treatment. 1  community or private drinking water supplies are not threatened; 2  direct human exposure is not possible; 3  waste is inaccessible to vectors, insects, rodents, or other possible carriers; 4  all environmental laws and regulations are complied with; and. 5  odor or aesthetic nuisances are not created.
The last major use of the comma, semicolon, and period hierarchy is in Erlang (1986), where commas separate expressions; semicolons separate clauses, both for control flow and for function clauses; and periods terminate statements, such as function definitions or module attributes, not the entire program.
Avoid Confusing the Semicolon with the Comma. 1  1. Do not use a semicolon instead of a comma. Commas can be used to connect two simple sentences and a coordinating conjunction (but, and, nor, or so, for example), while a semicolon cannot. 2  2. Do not use a comma instead of a semi-colon.