IWTP Chemicals   3

Background
The Anniston Army Depot (ANAD) is issuing a contract for the procurement of various chemicals needed for the Industrial Wastewater Treatment Plant (IWTP) located at Building 162 within the Nichols Industrial Complex. The IWTP's mission is to treat hydrocarbon and metal-laden wastewater streams generated from the maintenance of battle vehicles and associated components. The goal of this contract is to ensure a consistent supply of necessary chemicals to facilitate effective wastewater treatment processes.

Work Details
The contractor shall supply the following chemicals to the ANAD IWTP:

1. **Perlite or Diatomite**: Estimated annual usage of 20,000 lbs. Properties include:
- Composition: Amorphous alumina silicate
- Density: Packaged 12.5 to 12.9 lbs/cubic foot
- Specific Gravity: 2.2 to 2.4
- Median Particle Size: 31.4 to 35.4 microns

2. **Anti-Foam**: Estimated annual usage of 2,200 gallons based on 10% Hydrophobic Silica.
- pH: 6.0-9.0 S.U.
- Freezing Point: Near 32 degrees F

3. **Hydrated Lime (Calcium Oxide)**: Estimated annual usage of 200 tons.
- Calcium Oxide: >90%
- pH: 12.4 @ 25°C

4. **Sodium Bisulfite Solution** (nominal 40%): Estimated annual usage of 17,500 gallons.
- Sodium Bisulfite: 38-42%
- pH, 40% Solution: 4

5. **Sulfuric Acid Solution** (nominal 93%): Estimated annual usage of 3,000 gallons.
- Sulfuric Acid: 92-94%
- pH, 93% Solution: Less than 1

6. **Ferric Chloride Solution** (nominal 40%): Estimated annual usage of 25,800 gallons.
- Ferric Chloride: 39-44%
- pH, 40% Solution: Less than 2

Place of Performance
All deliveries will be made to the Anniston Army Depot Industrial Wastewater Treatment Plant located at Building 162 in the Nichols Industrial Complex.