LPG Gas Expiry Date - Very important to know

Have u ever heard about LPG gas cylinder's expiredate. I also didn't know-How to find LPG cylinder's expiry date Very importantinformation. Most of us do not know this. I came to know today from the gasstockiest, because here one accident occurred.Do you know that there is an expiry date (physicallife) for LPG cylinders?Expired Cylinders are not safe for use andmay cause accidents. In this regard please be cautious at the time ofaccepting any LPG Cylinder from the vendor.Here is how we can check the expiry of LPGcylinders:On one of three side stems of the cylinder, the expiry date is codedalpha-numerically as follows A or B or C or D and some two digit numberfollowing this e.g. D06. The alphabets stand for quarters -A for March (First Qtr),B for June (Second Qtr),C for Sept (Third Qtr), &D for December (Fourth Qtr).The digits stand for the year till it is valid. Hence D06 would mean December qtr of 2006.