An increase in marine debris has been reported on Washington’s coastal beaches, so the state is asking clam diggers to carry trash bags and pick up any plastic foam or bottles they find.

The state Marine Debris Task Force says it can’t say for sure whether the debris tis from the March 2011 Japanese tsunami.

The state has placed trash bins at Ocean Shores, Long Beach and Westport to help dispose of the trash.

People who find larger or possibly toxic items on the beach should notify park rangers at state beaches or call the marine debris hotline 1-855-WACOAST (1-855-922-6278).

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Last Saturday a refrigerator with Asian writing and covered in marine growth washed ashore at Ocean City State Park.

To see state photos of the debris, go to State marine debris photos: bit.ly/XrSsRU.