Table 1: European baseline series.

Allergen, Concentration, Vehicle
1 Potassium dichromate 0.5% pet.
2 Neomycin sulfate 20% pet.
3 Thiuram-mix 1% pet.
4 P-phenylenediamine 1% pet.
5 Kobalt chloride 1% pet.
6 Benzocaine 5% pet.
7 Formaldehyde 1% aq.
8 Colophony 20% pet.
9 Clioquinol 5% pet.
10 Balzam of Peru 25% pet.
11 N-isopropyl-N-phenyl-4-phenylenediamine (IPPD) 0.1% pet.
12 Lanolin alcohol 30% pet.
13 Mercapto-mix 2% pet.
14 Epoxy resin 1% pet.
15 Paraben-mix 16% pet.
16 4-tert-butylphenolformaldehyde resin 1% pet.
17 Fragrance-mix 8% pet.
18 Quaternium-15 1% pet.
19 Nickel sulfate 5% pet.
20 Methylisothiazolinone + methylchloroisithiazolinone (Kathon CG) 0.01% aq.
21 2-Merkaptobenzothiazole 2% pet.
22 Sesquiterpene lactone-mix 0.1% pet.
23 Prim in 0.01% pet.
24 Budesonide 0.01% pet.
25 Tixocortol-21-pivalate 0.1% pet.
26 Methyldibromo glutaronitrile 0.5% pet.
27 Lyral 5% pet.
28 Fragrance-mix II 14% pet.
29 Methylisothiazolinone 0.2% aq.
30 Textile dye-mix 6.6% pet.