49 CFR 172 Special Provision W9 (W-Codes)

These provisions apply only to transportation by water.

Code	W9
Description	When offered for transportation by water, the following Specification packagings are not authorized unless approved by the Associate Administrator: woven plastic bags, plastic film bags, textile bags, paper bags, IBCs and bulk packagings.
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 UN 1748 - Calcium hypochlorite, dry or Calcium hypochlorite mixture dry with more than 39% available chlorine (8.8% available oxygen) UN 3485 - Calcium hypochlorite, dry, corrosive or Calcium hypochlorite mixture, dry, corrosive with more than 39% available chlorine (8.8% available oxygen) UN 2880 - Calcium hypochlorite, hydrated or Calcium hypochlorite, hydrated mixture, with not less than 5.5% but not more than 16% water UN 3487 - Calcium hypochlorite, hydrated, corrosive or Calcium hypochlorite, hydrated mixture, corrosive with not less than 5.5% but not more than 16% water