89 ppb to ppm

89 ppb = 0.089 ppm

ppbppm
74 ppb0.074
79 ppb0.079
84 ppb0.084
890.089
94 ppb0.094
99 ppb0.099
104 ppb0.104

89 ppb = 0.089 ppm

Formula

1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm