Final Status Survey Report CE Windsor Site September 13, 2007

MACTEC Development Corporation, 3617077102 Final

P:\Projects\3617077102 - ABB-Windsor FUSRAP Support\4.0_Deliverables\4.1_Reports\FSS Reports\Final FSS Report\Final FSS CE

Windsor 09_13.doc

APPENDIX M

PORTABLE INSTRUMENTATION DOCUMENTATION

Portable Instrument Control Charts

Instrument Source Response Contol Chart Ludlum 2350-1 #186175 w ith 44-10 Probe

200,000

300,000

400,000

500,000

600,000

700,000

800,000

0 2 4 6 8 10 12 14 16 18 20 22 24

Number of Response Check Points

(10-3-05 through 11-22-05)

cpm

Source Reading Average +20% -20%

Instrument Source Response Contol Chart Ludlum 2350-1 #186175 w ith 44-10 Probe

200,000

300,000

400,000

500,000

600,000

700,000

800,000

0 2 4 6 8 10 12 14 16 18 20 22

Number of Response Check Points

(6-14-06 through 9-8-06)

cpm

Source Reading Average +20% -20%

Portable Instrument Control Charts

Instrument Source Response Contol Chart Ludlum 2350-1 #175852 w ith 44-10 Probe

200,000

300,000

400,000

500,000

600,000

700,000

800,000

0 2 4 6 8 10

Number of Response Check Points

(8-22-06 through 9-7-06)

cpm

Source Reading Average +20% -20%