TABLE VII

Standard Stability Results. Stock Stored in Amber Glassware on the Benchtop

CompoundInitial Concentration
Day 1 Concentration
% Deviation of Initial ValueDay 2 Concentration
% of Initial ValueDay 3 Concentration
% of Initial Value
(ng/mL)(ng/mL)(ng/mL)(ng/mL)
N-Nitrosodimethylamine100.1104.2104.1104.3104.2105.0104.9
N-Nitrosodiethylamine98.0102.1104.2100.1102.1100.0102.0
N-Nitrosomorpholine100.197.497.3104.2104.1101.3101.2
N-Nitrosopyrrolidine100.0101.9101.9100.5100.599.699.6
N-Nitrosopiperidine99.798.899.199.7100.0101.9102.2
N-Nitrosodi-n-butylamine98.098.0100.0105.4107.5108.5110.7