IDEXX Laboratories Inc., of West-brook, Maine, has launched a new sample collection vessel. The new vessel has a 290-milliliter (ml) capacity with 100-ml, 200-ml and 250-ml fill lines. It’s available with sodium thiosulfate and is sold in a 100 pack. Vessels are pre-sterilized and sealed with a shrink band. These vessels are ideal for coliform testing with larger volumes of water or for split samples. The vessel matches the USEPA guidelines for coliform.