Chemicals approved for use by Omya in Florence, Vermont
NPDES Discharge Permit

NPDES Permit NO. 3-0395 Page 15 of 15

Attachment A

AB-73 -- anionic polyacrylate
CW93 -- anionic polyacrylate
M566 -- acrylic polymer partially neutralized with sodium hydroxide
M777 -- acrylate polymer and phosphoric acid
M882 -- anionic polyacrylate
M918 -- polycarboxylic acid
M922 -- polycarboxylic acid
M980 -- polycarboxylic acid
M981 -- polycarboxylic acid
M987 -- polycarboxylic acid
M988 -- polycarboxylic acid
M989 -- polycarboxylic acid
Miramine TO-DT/I --Tall Oil Hydroxyethyl Imidazoline, Amine Acetate, Aminoethylethanolamine

N-521 -- EPA#67869-19
Tetrahydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione -- CAS#533-74-4 --98%
Formaldehyde -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -CAS#50-00-1 -- -<1%
Methyl isothiocyanate -- -- -- -- -- -- -- -- -- -- -- -- -- --CAS#556-61-6 --<1%

N-922 -- EPA#10445-66-67869
Organosulfur:
Magnesium Nitrate -- -- -- -- -- -- -- -- -- CAS# 10377-60-3 -- 1.75%
5-chloro-2-methyl-4-isothiazoline-3-one -- CAS#26172-55-4 -- 1.15%
Magnesium Chloride -- -- -- -- -- -- -- -- -CAS#7786-30-3 -- --1.10%
2-methyl-4-isothiazoline-3-one -- -- -- -- - CAS#2682-20-4 -- --0.35%
Cupric Nitrate -- -- -- -- -- -- -- -- -- -- -- CAS#3251-23-8 -- --0.16%

P-1 -- EPA#39967-11-67869
Phenol: sodium orthophenylphenol:
(1,1'-Biphenyl)-2-ol,sodium salt -- CAS#90-43-7 -- 99.9%

Polycryl M898/45A -- anionic polyacrylate
Phosphoric Acid
Sodium Hypochlorite and/or Bleach
Stearic Acid -- Saturated straight chain aliphatic monocarboxylic acids mainly palmitic and stearic acid.
Super A-130 Flocculant -- anionic polyacrylamide


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Fuel oil: Kerosene, hydrotreated
Kerosene, hydrodesulfurized
Distillate, straight run, middle
Distillate, hydrodesulfirized, middle
Distillate, hydrotreated, middle