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Approval Date: 4/10/2007

LIQUID CAUSTIC SODA - MEM50-SOUTH *
MEM50S

ITEM

SPECIFICATION

ANHYDROUS BASIS PARTS PER MILLION
IRON (FE)

3

SODIUM SULFATE (NA2SO4)

50

SODIUM CHLORIDE (NACL)

100

SODIUM CHLORATE (NACLO3)

10

NICKEL (NI)

0.6

PERCENT BY WEIGHT
SODIUM OXIDE (NA2O)

38.36-39.52

SODIUM HYDROXIDE (NAOH)

49.50-51.00

WET BASIS PERCENT BY WEIGHT
SODIUM CARBONATE (NA2CO3)

0.1


*Product produced at PPG's Lake Charles, Louisiana plant.