EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8906.17-100-MEX10 (-)-Scopolamine hydrobromide trihydrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-10, Cas.no. 114-49-8 Price on request 59045 Spike Solution #1 Price on request 678661 S-Metolachlor Metabolite CGA 368208, 100 µg/ml, M Price on request