Reference for Pesachim 54:6

וכל היכא דמעל המסיק נפקי לחולין והא תניא כל הנשרפין אפרן מותר חוץ מעצי אשירה ואפר הקדש לעולם אסור

Since it does not involve a trespass-offering,<span class="x" onmousemove="('comment',' Sacrifices were brought only for unwitting transgressions.');">⁸</span> it does not pass out to hullin; so peace-offerings too, since it [the misappropriation of th type of sacrifice] does not involve a trespass-offering, it does not pass out to hullin.

Jastrow