ลำดับ	Parameter	วิธีวิเคราะห์
21	Antimony	Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
22	Beryllium	Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
23	Thallium	Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)