Can the ISO-14644-1 standard also be used to classify the purity of dry, compressed ultra-pure air (CDA) or must the ISO-8573 standard be used?

Can the ISO-14644-1 standard also be used to classify the purity of dry, compressed ultra-pure air (CDA) or must the ISO-8573 standard be used? 

ISO 14644 cannot be used for the classification of compressed clean air (CDA) or "compressed air". The ISO 8573-1 standard must be used. It contains its own classification (1 - 6) and particle sizes. (0.1µm, 1µm, 5µm, 15µm, 40µm)