EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59605 Conductance @ 20°C [147 µmho/cm] Price on request 11154.17-10MG (-)-Scopolamine-d3 hydrobromide trihydrate,neat,neat,10mg, Price on request 70178 Bis(2-Ethylhexyl) adipate, 1000μg/ml in MeOH, 1ml Price on request