Numbers 18:3

ASV_Strongs(i)
  3 H8104 And they shall keep H4931 thy charge, H4931 and the charge H168 of all the Tent: H7126 only they shall not come nigh H3627 unto the vessels H6944 of the sanctuary H4196 and unto the altar, H4191 that they die not, neither they, nor ye.