908 B

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 minute

s - 0.48

60Co Source is going in! 3cm distance 2cm from GM tube, 1cm from cobalt

Amount Lead mg/cm^2 2 Minute Count
0 797
1120 542
2066 537
3448 507
7367 395
1k + 3k 431
2000+3000 406
3000+7000 323
2000+7000 357
2x 7k 290
2x 7k background 69