| 1 ng/L | = 2.8316846592E-14 t /ft3 |
| 2 ng/L | = 5.6633693184E-14 t /ft3 |
| 3 ng/L | = 8.4950539776E-14 t /ft3 |
| 4 ng/L | = 1.13267386368E-13 t /ft3 |
| 5 ng/L | = 1.4158423296E-13 t /ft3 |
| 6 ng/L | = 1.69901079552E-13 t /ft3 |
| 7 ng/L | = 1.98217926144E-13 t /ft3 |
| 8 ng/L | = 2.26534772736E-13 t /ft3 |
| 9 ng/L | = 2.54851619328E-13 t /ft3 |
| 10 ng/L | = 2.8316846592E-13 t /ft3 |
| 20 ng/L | = 5.6633693184E-13 t /ft3 |
| 30 ng/L | = 8.4950539776E-13 t /ft3 |
| 40 ng/L | = 1.13267386368E-12 t /ft3 |
| 50 ng/L | = 1.4158423296E-12 t /ft3 |
| 60 ng/L | = 1.69901079552E-12 t /ft3 |
| 70 ng/L | = 1.98217926144E-12 t /ft3 |
| 80 ng/L | = 2.26534772736E-12 t /ft3 |
| 90 ng/L | = 2.54851619328E-12 t /ft3 |
| 100 ng/L | = 2.8316846592E-12 t /ft3 |
| 200 ng/L | = 5.6633693184E-12 t /ft3 |
| 300 ng/L | = 8.4950539776E-12 t /ft3 |
| 400 ng/L | = 1.13267386368E-11 t /ft3 |
| 500 ng/L | = 1.4158423296E-11 t /ft3 |
| 600 ng/L | = 1.69901079552E-11 t /ft3 |
| 700 ng/L | = 1.98217926144E-11 t /ft3 |
| 800 ng/L | = 2.26534772736E-11 t /ft3 |
| 900 ng/L | = 2.54851619328E-11 t /ft3 |
| 1000 ng/L | = 2.8316846592E-11 t /ft3 |
| 2000 ng/L | = 5.6633693184E-11 t /ft3 |
| 4000 ng/L | = 1.13267386368E-10 t /ft3 |
| 5000 ng/L | = 1.4158423296E-10 t /ft3 |
| 7500 ng/L | = 2.1237634944E-10 t /ft3 |
| 10000 ng/L | = 2.8316846592E-10 t /ft3 |
| 25000 ng/L | = 7.079211648E-10 t /ft3 |
| 50000 ng/L | = 1.4158423296E-9 t /ft3 |
| 100000 ng/L | = 2.8316846592E-9 t /ft3 |
| 1000000 ng/L | = 2.8316846592E-8 t /ft3 |
| 1000000000 ng/L | = 2.8316846592E-5 t /ft3 |