NEW : Well could be shut off next week , BP official says . June : Coast Guard conducts a rate assessment group . EPA orders BP to find less toxic chemical to use to break up oil . But it added , `` At the same time , we are conducting ongoing assessment of alternative or supplemental dispersant products . '' Oil flows into coastal waters .
NEW : Well could be shut off next week , BP official says . June : Coast Guard conducts a rate assessment group . EPA orders BP to find less toxic chemical to use to break up oil . Oil flows into coastal waters .