**Table 3**

**Medical Research Facility Area**

**Groundwater Monitoring Program - Permanent Wells**

**Tritium Results for CY 1997**

  ------------- ------------ ---------- ----------------- ---------- ----------
  Well Number   Collection   COC Number Tritium Result    Error      MDL
                Date                    (pCi/L)           (pCi/L)    (pCi/L)

  94-01         01/23/97     97012308   2,450 (a)         316        372

                "            "          2,540             341        401
                                        (re-analysis)                

                04/28/97     97042807   \<401 (a)         240        401

                05/22/97     97052216   384 (a)           237        384

                "            "          535 (b)           243        384

                "            "          465 (c)           240        384

                06/13/97     97061302   \<451 (a)         237        451

                                                                     

  94-02         06/13/97     97061302   \<451 (a)         242        451

                                                                     

  84-12 (Former 04/29/97     97042909   367 (d)           208        326
  94-09)                                                             

                05/27/97     97052710   686 (d)           269        403

                06/12/97     97061210   501 (d)           283        451

                06/18/97     97061812   3,030 (e)         371        445

                                                                     

  84-13 (Former 05/22/97     97052216   4,310 (d)         402        384
  94-10)                                                             

                06/12/97     97061210   4,800 (d)         454        451

                06/18/97     97061812   11,400 (e)        618        445
  ------------- ------------ ---------- ----------------- ---------- ----------

(a): Dedicated Geoguard pump in standard position in well screen (i.e.,
lower 1/3 of ten foot screen).

(b): Dedicated Geoguard pump raised two feet within well screen.

(c): Dedicated Geoguard pump raised four feet within well screen.

(d): Grundfos pump positioned approximately eight feet below water
table.

(e): Grundfos pump positioned within upper three feet of water table.

**Table 3 (Continued)**

**Medical Research Facility Area**

**Groundwater Monitoring Program - Permanent Wells**

**Gross Alpha Results for CY 1997**

  ------------- ------------ ---------- ----------------- ---------- ----------
  Well Number   Collection   COC Number Gross Alpha       Error      MDL
                Date                    Result (pCi/L)    (pCi/L)    (pCi/L)

  94-01         01/23/97     97012308   \<0.75 (a)        \-\--      0.75

                04/28/97     97042807   \<1.53 (a)        0.79       1.53

                05/22/97     97052216   \<0.88 (a)        0.57       0.88

                06/13/97     97061302   2.13 (a)          1.01       1.35

                                                                     

  94-02         06/13/97     97061302   \<1.35 (a)        0.89       1.35

                                                                     

  84-12 (Former 04/29/97     97042909   2.08 (d)          1.09       1.53
  94-09)                                                             

                05/27/97     97052710   1.77 (d)          0.73       0.88

                06/12/97     97061210   1.38 (d)          0.87       1.35

                06/18/97     97061812   1.50 (e)          0.89       1.35

                                                                     

  84-13 (Former 05/22/97     97052216   1.32 (d)          0.70       0.88
  94-10)                                                             

                06/12/97     97061210   2.90 (d)          1.08       1.35

                06/18/97     97061812   \<1.35 (e)        0.75       1.35
  ------------- ------------ ---------- ----------------- ---------- ----------

(a): Dedicated Geoguard pump in standard position in well screen (i.e.,
lower 1/3 of ten foot screen).

(b): Dedicated Geoguard pump raised two feet within well screen.

(c): Dedicated Geoguard pump raised four feet within well screen.

(d): Grundfos pump positioned approximately eight feet below water
table.

(e): Grundfos pump positioned within upper three feet of water table.

**Table 3 (Continued)**

**Medical Research Facility Area**

**Groundwater Monitoring Program - Permanent Wells**

**Gross Beta Results for CY 1997**

  ------------- ------------ ---------- ----------------- ---------- ----------
  Well Number   Collection   COC Number Gross Beta Result Error      MDL
                Date                    (pCi/L)           (pCi/L)    (pCi/L)

  94-01         01/23/97     97012308   2.78 (a)          \-\--      1.49

                04/28/97     97042807   \<4.21 (a)        2.63       4.21

                05/22/97     97052216   4.65(a)           2.17       3.35

                06/13/97     97061302   \<3.68 (a)        5.57       3.68

                                                                     

  94-02         06/13/97     97061302   4.76 (a)          2.36       3.68

                                                                     

  84-12 (Former 04/29/97     97042909   5.55 (d)          2.73       4.21
  94-09)                                                             

                05/27/97     97052710   7.27 (d)          2.29       3.35

                06/12/97     97061210   23.2 (d)          3.01       3.68

                06/18/97     97061812   \<3.68 (e)        2.26       3.68

                                                                     

  84-13 (Former 05/22/97     97052216   4.11 (d)          2.15       3.35
  94-10)                                                             

                06/12/97     97061210   11.3 (d)          2.61       3.68

                06/18/97     97061812   \<3.68 (e)        2.23       3.68
  ------------- ------------ ---------- ----------------- ---------- ----------

(a): Dedicated Geoguard pump in standard position in well screen (i.e.,
lower 1/3 of ten foot screen).

(b): Dedicated Geoguard pump raised two feet within well screen.

(c): Dedicated Geoguard pump raised four feet within well screen.

(d): Grundfos pump positioned approximately eight feet below water
table.

(e): Grundfos pump positioned within upper three feet of water table.

**Table 3 (Continued)**

**Medical Research Facility Area**

**Groundwater Monitoring Program - Permanent Wells**

**Gamma Results for CY 1997**

  ------------- ------------ ---------- ------------------- -----------------
  Well Number   Collection   COC Number Gamma Result        1-Sigma % Error
                Date                    (pCi/L)             

  94-01         01/23/97     97012708   K-40=4.25,          27.58%, 43.00%
                                        Ra-224=3.10 (a)     

                04/28/97     97042807   Tl-208=0.99 (a)     27.99%

                05/22/97     97052216   K-40=3.97 (a)       27.33%

                06/13/97     97061302   Ra-224=20.7 (a)     35.36%

                                                            

  94-02         06/13/97     97061302   ND (a)              \-\--

                                                            

  84-12 (Former 04/29/97     97042909   Not Analyzed? (d)   \-\--
  94-09)                                                    

                05/27/97     97052710   K-40 =3.45 (d)      33.69%

                06/12/97     97061210   K-40=3.53 (d)       27.10%

                06/18/97     97061812   K-40=9.44 (e)       19.69%

                                                            

  84-13 (Former 05/22/97     97052216   K-40=2.48 (d)       42.74%
  94-10)                                                    

                06/12/97     97061210   K-40=2.63 (d)       39.29%

                06/18/97     97061812   K-40=3.58,          31.58%, 45.00%
                                        Tl-208=0.26 (e)     
  ------------- ------------ ---------- ------------------- -----------------

(a): Dedicated Geoguard pump in standard position in well screen (i.e.,
lower 1/3 of ten foot screen).

(b): Dedicated Geoguard pump raised two feet within well screen.

(c): Dedicated Geoguard pump raised four feet within well screen.

(d): Grundfos pump positioned approximately eight feet below water
table.

(e): Grundfos pump positioned within upper three feet of water table.

ND: Not Detected