What does THAM stand for?

2-Amino-2-(Hydroxymethyl)-1,3-Propanediol (DAVI)

Thames (trucks) - NCIC truck make code

Trimethylol Aminomethane (SAUS)

Tris-hydroxymethyl-aminomethan (SAUS)

Tris(hydroxymethyl)aminomethane - Also, TRIS - Biochemical analysis