Honda WMP20X Owner's Manual page 26

PUMP OPERATION
Liquid Recomendations
The following tables contain a list of chemicals that the
multi-purpose pump is capable of handling. The operator
must verify that the liquid that is to be pumped is on this list.
Chemicals can cause burns or serious injury.
You can be burned or seriously injured if certain
chemicals are allowed to contact your body.
Wear protective clothing and eye protection when
handling chemicals.
Follow the manufacturer's handling procedures or
contact the chemical manufacturer for proper handling
procedures of the chemical.