EPA Method 507 - Performance Check Solution

17 alpha(H),21ß(H)-28,30-Bisnorhopane, neat, Solvent-neat, Unit ca. 1µg , # of units-1, Cas.no.

Phthalate Esters in Sludge Matrixes by GC-ECD 16 Analytes, each 1000µg/mL in isooctane; units: 5x1mL, 1x5mL 2095.20 Bis(2-n-butoxyethyl) phthalate [117-83-9], (purity 86%) 2096.20 Bis(2-ethoxyethyl) phthalate [605-54-9] 1224.24 Bis(2-ethylhexyl) ph

Sodium perfluoro-3-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol