SureSTART Certified 2 mL Screw Vial & Cap Kits SureSTART Certified EPA Screw Vial & Cap Kits SureSTART Certified Scintillation Screw Vial & Cap Kits Standard 2 mL screw top vial-cap kits; including SureStop vials with AVCS caps 4, 8, 12, 16, 20, or 40 mL