Other Compounds

Section 530 Section 530.15  Other Compounds The gas, before and after burning, shall not contain the following compounds in excess of listed concentrations in parts per million. Compound Concentration Pentane 600 Hexane 50 Benzene 10 Iso-octane 300 Methylbenzene 100 Ethylbenzene 100 m,p-xylene 100 o-xylene 100 Nonane 200 Isopropylbenzene 50 Naphthalene 10