Following dechlorination, total residual chlorine should not exceed 0.01 mg/L.
If more than 0.01 mg/L of residual chlorine exists after dechlorination, it becomes highly flammable.
mnli hypothesis: If more than 0.01 mg/L of residual chlorine exists after dechlorination, it becomes highly flammable. premise: Following dechlorination, total residual chlorine should not exceed 0.01 mg/L.