| Sample                   | Volume of Sample | Initial Reading (mL) | Final Reading (mL) | Volume of AgNO3 (mL) | Error | Chloride Concentration (mg/L) |
| ------------------------ | ---------------- | -------------------- | ------------------ | -------------------- | ----- | ----------------------------- |
| BUP Lake (Surface Water) | 50               | 3.6                  | 5.4                | 1.8                  | 0.2   | 16.018                        |
| Groundwater              | 50               | 5.6                  | 6.4                | 0.8                  | 0.2   | 6.0066                        |