N.H. Code Admin. R. Env-Or 502.20
“Reid vapor pressure” means the absolute vapor pressure as determined by the American Society for Testing and Materials (ASTM), test method D323-08.
Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Or 500) #10229, eff 11-17-12; ss by #13458, eff 10-7-22 (formerly Env-Or 502.22)