EPA Method 550 Analytes

Perfluoroctanonic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-95-5

Methanol QC Reference Mixture II 11 Analytes, each 200 ppm in 99.9 % methanol; units: 1x10mL, 5x10mL Chiron No. Name Chiron No. Name 1381.2Methyl formate 1370.5 3-Pentanone 1377.4 2-Butanol

1,2,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane