NRC targets pathogens in sludge for research.
D005308:Fertilizers / Q000032:analysis*; D009307:National Academy of Sciences, U.S.; D011634:Public Health; D012037:Refuse Disposal / Q000379:methods* / Q000592:standards; D012722:Sewage / Q000032:analysis*; D014481:United States
D005308:Fertilizers; D012722:Sewage