The purpose of this data sheet is to outline safety precautions for preventing accidental fires and/or explosions while making hot-work repairs to the bottoms of tanks.
API PSD 2207-1967 history
1974API PSD 2207-1974 Preparing Tank Bottoms for Hot Work (Second Edition)
1967API PSD 2207-1967 PREPARING TANK BOTTOMS FOR HOT WORK (First Edition)