EPA says it ` ` will continue to work over the next 48 hours to ensure BP is complying '' EPA issued directive to use less toxic chemical than Corexit , the current dispersant in use . BP says only other less toxic chemical is Sea Brat ##s , which may ` ` degrade to a nonylphenol '' BP said ` ` ' was the best and most appropriate alternative ''
EPA says it `` will continue to work over the next 48 hours to ensure BP is complying '' EPA issued directive to find less toxic chemical than Corexit , the current dispersant in use . BP says only other less toxic alternative is Sea Brat 4 , which may `` degrade to a nonylphenol '' BP maintains `` Corexit was the best and most appropriate choice ''