In IPC, Section 1002.4, the following is added at the end of the paragraph: "Approved Means of Maintaining Trap Seals. Approved means of maintaining trap seals include the following, but are not limited to the methods cited:1. A listed trap seal primer conforming to ASSE 1018 and ASSE 1044.2. A hose bibb or bibbs within the same room.3. Drainage from an untrapped lavatory discharging to the tailpiece of those fixture traps which require priming. All fixtures shall be in the same room and on the same floor level as the trap primer.4. Barrier type floor drain trap seal protection device meeting ASSE Standard 1072.5. Deep seal p-trap".