HUNTINGTON BEACH, Calif.—After a new oil sheen was spotted Dec. 22 off the coast of Bolsa Chica State Beach, officials announced Dec. 23 that tarballs have also come onshore in Huntington Beach despite proactive measures. The California Department of Fish and Wildlife’s Office of Spill Prevention said in a Twitter post that their agencies were on-site investigating the oil sheen, with an overflight this morning. The U.S. Coast Guard of Southern California and the County of Orange were also helping with the investigation, the department said. Despite proactive measures implemented overnight to contain the sheen, officials said the afternoon of Dec. 23 that tarballs were spotted onshore near Huntington Beach Lifeguard Tower 10 and Dog Beach, which they are attempting to clean up. More sensitive environmental sites—including the Talbert Marsh, Bolsa Chica wetlands, Newport Slough, and the Santa Ana River—will be enclosed by floating physical barriers overnight, according to the …