ICP-MS Tuning Solution #1 EPA 200.8

2-Ethylhexyl 2,3,4,5-tetrabromobenzoate, 10mg

Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL,

rac 4-Hydroxy-3-methoxyphenylethylene Glycol-d3, 2,5mg