loq.

verb1

1. •
   Loquitur; Used to identify the character who is speaking in a quotation

   • As You Like It, I. 2[Celia loq.] . " If I had a thunderbolt in mine eye, I can tell who should down." — 1884

noun1

1. •
   Limit of quantification (or limit of quantitation); the lowest concentration of a substance that can be accurately measured under specified experimental. conditions.

   • Therefore LOD and LOQ evaluation is only necessary for water. — 2003