Special Provision W10 — 49 CFR 172.102 (W-Codes)

Code	W10
Description	When offered for transportation by vessel, the use of Large Packagings (see §171.8) is prohibited.
HazMat with this Code	UN 3486 - Calcium hypochlorite mixture, dry, corrosive with more than 10% but not more than 39% available chlorine UN 2208 - Calcium hypochlorite mixture, dry, with more than 10% but not more than 39% available chlorine