Table 4. Twenty-six treatments used to examine 3H2B (acetoin) and 23B (2, 3-butanediol) separately and in combination at various concentrations, in the presence or absence of lanolin, and at two application rates.

Treatment	Compound	Lanolin addition	Compound conc.	Rate applied
1	2,3-butanediol	Yes	10 µg/ml	10 µl
2	2,3-butanediol	Yes	100 ng/ml	10 µl
3	2,3-butanediol	Yes	1 ng/ml	10 µl
4	2,3-butanediol	Yes	10 pg/ml	10 µl
5	2,3-butanediol	No	10 µg/ml	10 µl
6	2,3-butanediol	No	100 ng/ml	10 µl
7	2,3-butanediol	No	1 ng/ml	10 µl
8	2,3-butanediol	No	10 pg/ml	10 µl
9	Acetoin	Yes	1 mg/ml	10 µl
10	Acetoin	Yes	10 µg/ml	10 µl
11	Acetoin	Yes	100 ng/ml	10 µl
12	Acetoin	Yes	1 ng/ml	10 µl
13	Acetoin	No	1 mg/ml	10 µl
14	Acetoin	No	10 µg/ml	10 µl
15	Acetoin	No	100 ng/ml	10 µl
16	Acetoin	No	1 ng/ml	10 µl
17	CombinationA	No	10 µg/ml, 1 mg/ml	10 µl
18	Combination	No	100 ng/ml, 10 µg/ml	10 µl
19	Combination	No	1 ng/ml, 100 ng/ml	10 µl
20	Combination	No	10 pg/ml, 1 ng/ml	10 µl
21	Combination	No	10 µg/ml, 1 mg/ml	20 µl
22	Combination	No	100 ng/ml, 10 µg/ml	20 µl
23	Combination	No	1 ng/ml, 100 ng/ml	20 µl
24	Combination	No	10 pg/ml, 1 ng/ml	20 µl
25	H20	No	NA	10 µl
26	Solvent control	No	NA	10 µl

^AIn combination treatments, the applied rate was added per compound with the 23B concentration listed first.