Tenative razor clam digs on the Washington State Pacific Coast.

By RazorClam23 – Own work, Public Domain, Long Beach, Twin Harbors, Copalis, and Mocrocks to host digs WDOH requires two test samples taken seven to 10 days apart, and domoic acid levels must fall under the guideline level before a beach can open for digging. Domoic acid, a natural toxin produced by certain types of …