CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER I—CARGO AND MISCELLANEOUS VESSELS (parts 90 to 105) > PART 105—COMMERCIAL FISHING VESSELS DISPENSING PETROLEUM PRODUCTS > SUBPART 105.10—Definition of Terms Used in This Part (§105.10-5 to §105.10-25) > 105.10-20—Pressure vacuum relief valve.