Initial Check Verif. Standard 4, in 4%HNO3, 100ml

PAH/NPD Control Standard S-4089-ASS-5T 26 Analytes, each consentration as listed in toluene; units: 1x1mL, 1x5mL 0711.10 Naphthalene [91-20-3] 500 µg/mL 0713.11 2-Methylnaphthalene [91-57-6] 500

5H-5-Methyl-6,7-dihydrocyclopentapyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

Mesosulfuron-methyl, 10.0 µg/ml, Acetonitrile, 1