IV–C–10

The purpose of this tube is to detect the presence of nitrogen mustard and arsine.

These tube are marked with 2 yellow bands and may have the letter "B" stamped in the plastic of the tube near the end containing the capsule.

The tube is made of transparent plastic and measures the same as the single yellow model. The tube is also filled in a similar manner with the exception that it has only one capsule of brown liquid free to move about in a 0.8 inch long section of the tube; this is then end stamped "B". In the older model the capsule is held close to the glass wool layer by a retaining disc recessed 0.4 inches. This retaining disc has a "cross" cut through it.

The tube are packed in tens in grayish-green painted metal containers measuring 2.5 x 4.7 x 0.5 inches. The slip-on cover has a two yellow band lenghtwise across the out-side.

IV–C–10