Radiation from Japan’s Fukushima nuclear disaster is approaching the West Coast, the Woods Hole Oceanographic Institution is reporting. A sample taken Aug. 2 about 1,200 kilometers west of Vancouver, B.C. tested positive for Cesium 134, the Fukushima “fingerprint” of Fukushima. It also showed higher-than-background levels of Cesium 137, another Fukushima isotope that already is present in the worl