2018-06-20_REVISION - M1977300

• Permit No: M1977300
• IBM Index Class Name: Revision
• Doc Date: 6/20/2018
• Doc Name: Adequacy Review Response
• From: Colorado Legacy Land, LLC
• To: DRMS
• Type & Sequence: TR26
• Email Name: MAC
• Media Type: D
• Archive: No

Cotter Corporation Schwartzwalder Mine

RML CO-369-06
Cotter Corporation (N.S.L.) ii March 2017

5.0 FINAL STATUS RADIATION SURVEY .......................................................... 22
5.1 FINAL STATUS SURVEYS OF STRUCTURES/EQUIPMENT ........................................ 22
5.2 FINAL STATUS SOIL SURVEYS ............................................................................. 22
5.3 FINAL STATUS SURVEY REPORT .......................................................................... 23
6.0 RADIATION SAFETY ....................................................................................... 24
6.1 GENERAL SAFETY/HAZARD COMMUNICATION .................................................... 24
6.2 PERSONNEL PROTECTION REQUIREMENTS ........................................................... 24
6.3 OCCUPATIONAL MONITORING REQUIREMENTS .................................................... 25
6.4 ENVIRONMENTAL MONITORING REQUIREMENTS ................................................. 25
6.5 ADMINISTRATIVE ACTION LEVELS FOR RADIATION PROTECTION ......................... 26
6.6 DUST CONTROL .................................................................................................. 26
6.8 TRAINING ........................................................................................................... 27
6.9 EMERGENCY RESPONSE ...................................................................................... 27
6.10 RUNOFF CONTROL .......................................................................................... 27
6.11 WIND ............................................................................................................. 27
7.0 SCHEDULE ......................................................................................................... 28
8.0 REFERENCES .................................................................................................... 29

LIST OF TABLES

Table 1: RML #1 Post-excavation, pre-backfill/grading Soil Sampling Results................ 5
Table 2: Scoping Survey Soil Sampling Results ............................................................ 11
Table 3: Release criteria for buildings and equipment (NRC, 1993) ............................... 12

LIST OF FIGURES

Figure 1 – Site Location Map
Figure 2 – Site Layout with RML Areas 1 - 3
Figure 3 – Site Layout Showing RML Area 4
Figure 4 – RML #4 Restricted Area and License Boundary
Figure 5 – Histogram of RML #3 Soil Samples
Figure 6: U-nat / Ra-226 Rations for Scoping Surveys – RML#2
Figure 7: Gamma Survey Results
Figure 8: Frequency Histograms of Radiological Scoping Surveys - OWTP
Figure 9: Scoping Survey Soil Sampling Locations Overlain on Gamma Survey
Figure 10: RESRAD Results – Residential Scenario
Figure 11: RESRAD Results – Commercial Scenario
Figure 12: RESRAD Results – Recreational Scenario
Figure 13: Calculation of Minimum Number of Samples for MARSSIM