Specifications include, but are not limited to: 1. Liquid Caustic Soda, 50% Solution: The material to be furnished and delivered April 1, 2020 through November 15, 2020 under this Specification is Liquid Caustic Soda (Sodium Hydroxide), 50% Solution. It shall meet the following physical data: • Boiling Point @ 760 MM HG 142°C (288°F) • Vapor Density (Air = 1) N/A • Specific Gravity (H2O = 1) 1.530 @ 60/60 F • Freezing/Melting Point 5 – 11°C (1 – 51°F) • Solubility (Weight % in Water) 347/100 G Water @ 100°C • Bulk Density 12.76 lbs/gallon @ 60° F • Volume: Volatile 50% • Vapor Pressure 1 MM HG • Evaporation Rate N/A 2. Liquid Caustic Soda, 20% Solution: The material to be furnished and delivered from January 1, 2020 through March 31, 2020 and from November 16, 2020 through December 31, 2020, under this Specification is Liquid Caustic Soda (Sodium Hydroxide), 20% Solution. It shall meet the following physical data: • Boiling Point @ 760 MM HG 113°C (235°F) • Vapor Density (Air = 1) N/A • Specific Gravity (H2O = 1) 1.22 • Freezing/Melting Point -32° C (-25.6°F) • Solubility (Weight % in Water) Completely Soluble • Bulk Density 10.20 lbs/gallon @ 15.6° C • Volume: Volatile 20% • Vapor Pressure 110 MM HG @60% • Evaporation Rate N/A