Obsidian/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 4.md

Mystery fluid has been inserted into the holder at 2mm Chip says it's a lot of fluid First count measurement of 30s 2721 February 11th, 18:04

1. 2721
2. 1824
3. 1579
4. 1298
5. 1136
6. 911
7. 764
8. 623
9. 511
10. 430
11. 380
12. 317
13. 283
14. 238
15. 169

Background count 56 2 minutes - 0.48

60Co Source is going in!

Amount Lead mg/cm^2	2 Minute Count
0
1120
2066
3448
7367
2000+3000
3000+7000
2000+3000+7000
2x 7k
2x 7k +1k