Heat wave arrives this weekend, High surf advisory, Microplastic research efforts — Evening Edition

Another heat wave blankets the region this weekend. If you're escaping to the beach, high surf continues to threaten the coast. And efforts to measure microplastic in drinking water. Plus, more from Evening Edition. Support The L.A. Report by donating at LAist.com/join and by visiting https://laist.com Support the show: https://laist.com