ARCH CHEMICALS, INC.

BUILDING PRODUCTS BIOCIDES

ZINC OMADINETM  DRY FILM PRESERVATIVE

                           Zinc Pyrithione

OMACIDETM     FUNGICIDE

                                 Iodopropynlbutylcarbamate (IPBC)                        

PROXELTM         PRESERVATIVE

                              1,2-Benzisothiazolin-3-one

TRIADINETM     INDUSTRIAL MICROBIOSTAT

ARCH CHEMICALS, INC.

METALWORKING FLUIDS BIOCIDES

DENSILTM          FUNGICIDES

                             n-butyl-1,2-benzisothiazoline-3 -one

OMACIDETM     FUNGICIDE                                                                                                                                         

                              Iodopropynlbutylcarbamate (IPBC)

PROXELTM         PRESERVATIVE

                            1,2-Benzisothiazolin-3-one

TRIADINETM     INDUSTRIAL MICROBIOSTAT

                            Triazene

REPUTAINTM    PRESERVATIVES

SODIUM OMADINETM  BACTERICIDE

                           Sodium 2-pyridinethiol-1-oxide (NaPT)