Supply Of Liquid Argon Gas, To Be Supplied For Bulk Storage System Of Argo Mixgases, As Per Drawing: As Per Is: 5760-2003 puriity % (min) 99.997, Moisture (less Than)-5 Ppm,hydrocarbon (less Than)-5 Ppm, Nitrogen (less Than)-20 Ppm, Oxygen (less Than)-5 (EXPIRED)