The advantages of measuring ¹⁴C levels in archaeological and environmental samples by mass spectrometry are discussed. Its limitations in respect to the number of samples that can be dated during any five-year period suggest that an appropriate and efficient use of this method needs to be thoroughly considered in advance. See also <i>AATA</i> <b>Vol. 18, Abstract No. 1039</b>, PARIS No. 82077, <b>Vol. 21, Abstract No. 1245</b>, PARIS No. 75303, <b>Vol. 22, Abstract No. 34</b>, PARIS No. 70038, <b>Vol. 22, Abstract No. 36</b>, PARIS No. 70040, and <b>Vol. 22, Abstract No. 59</b>, PARIS No. 70063 for related papers. -- AATA