For all other wastes

i) Burial

The spillage could be buried using any of the following methods:

The spillage could be mixed with sand and buried deep.

Examples: Iodine in large quantities, insoluble arsenic salts, picric acid and phenol.

The spillage could be swept with 1:1 mixture of saw dust and zinc dust and buried at an isolated site. Example: Mercury.

ii) Mixing with sand and disposal as waste

Some water-insoluble inorganic waste can be mixed with excess of sand and disposed of as normal garbage. (Examples: Insoluble cadmium salts, lead salts and nickel salts)