"Control" means a sample or solution of a known concentration, similar to the sample which is analyzed, for quality control purposes and not used for quality control purposes and not used in the calibration of a method.
N.H. Admin. Code § Saf-C 6301.15
#8064, INTERIM, eff 4-1-04, EXPIRES: 9-28-04 (See Revision Note at chapter heading for Saf-C 6300); ss by #8114, eff 7-14-04; ss by #9683, eff 3-23-10 (from Saf-C 6301.18 )