<
Environmental Reference Standards <
Low Concentration (Semivolatiles)
L/C B/N Lab Control Sample Ampul 1
benzo(a)pyrene
bis(2-chloroethyl)ether
diethylphthalate
2,4-dinitrotoluene
hexachlorobenzene
hexachloroethane
isophorone
naphthalene
N-nitrosodiphenylamine
N-nitroso-di-
n-propylamine
1,2,4-trichlorobenzene
Quantity Discounts
Order 3 or 4 of any one analytical reference material
product and receive a
10% discount! Order 5 or more
of any one analytical reference material product and
receive a
20% discount!