Step 1 :The problem states that the salary that half the employees' salaries surpass is the median salary.
Step 2 :From the given statistics, the median salary is \( \$ 595 \).
Step 3 :Therefore, half the employees' salaries surpass \( \$ 595 \).
Step 4 :\(\boxed{\$ 595}\) is the salary that half the employees' salaries surpass.