EPA Method 500 Series Internal Standard #5 Back Catalog number: 30004 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended XA17300000AL Terbuthylazine, 100μg/mL in Acetonitrile, 1ml Price on request S-4274-100-T PAH Solution 25 Natives in Toluene Naphthalene 0711,10 90-20-3 99.9 % 0.1 mg/ml 1-Methylnaphthalene 0712,11 90-12-0 99.9 % 0.1mg/ml Biphenyl 0341,12 92-52-4 99.0 % 0.1mg/ml 2,6-Dime Price on request XA16950000AL Simazine, 100µg/mL in Acetonitrile, 1ml Price on request