.

Average benzene and formaldehyde concentrations, all test sites

.

Benzene concentrationBenzene health benchmarkFormaldehyde concentrationFormaldehyde health benchmark

.

20060.891.32.232

.

20070.931.31.672

.

20080.561.31.602

.

20090.71.32.242

.

20100.761.32.522

.

20110.591.32.122