EPA Method 8040A - Analytes Mix “B” Back Catalog number: 80402 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8397.9-50-025ME trans-Pinic acid,50 µg/mL,MeOH,0.25mL, Price on request 56134 Selenium (Se) Price on request 54197 BOD Calibraton Standard Price on request