EPA Method 8260 - Purgeable Internal Standard

4,4-Pentamethylene-2-pyrrolidone, >98%, 5g

Nicosulfuron-d6 (dimethoxy-d6),100 µg/mL,acetonitrile,1mL,

Triclosan, purified 99%,100 µg/mL,isooctane,1mL,