<prompt> Translate the following text to EnglishUtafiti wa USEPA ulionyesha kuwa data za ELS zinaweza kutumika katika kuanzisha vigezo vya ubora wa maji ikiwa data kutoka kwa vipimo vya mzunguko kamili wa maisha haipatikani.  <response>: USEPA adopted the policy that ELS test data could be used in establishing water quality criteria if data from full life-cycle tests were not available USEPA, 1980a. 