You can visit the site or call 1-800-CLEANUP, punch in a ZIP code and get a list of nearby collection sites for a wide range of hazardous materials.

CNN: Be your own hazmat squad

Another potential sticking-point this time is that North Korea is supposed to discuss a plausible list of all other nuclear facilities and materials it has, including any related to uranium, in preparation for declaring and then getting rid of them.

ECONOMIST: Dealing with North Korea, continued

To date the permanent five have sanctioned only a very few of the materials on either list.

CNN: What comes after North Korea's nuclear test?

Another materials group, Canfor, was one of the five newcomers to the list, at No. 1816.

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