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**Brookhaven National Laboratory**

**Alternating Gradient Synchrotron Facility**

**Facility Environmental Monitoring Report**

**Calendar Year 2001**

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##### April 23, 2002

Prepared by:

D. Paquette, B. Hooda, R. Lee and M. Allocco

##### Environmental Services Division

###### GW61ER.02

##### 

##### 

##### 

##### 

##### **AGS Facility Environmental Monitoring Report**

**Calendar Year 2001**

***Summary of Results***: *High levels of tritium continue to be
detected in groundwater downgradient of the g-2/VQ12 Magnet area.
Tritium concentrations up to 1,820,000 pCi/L were detected in samples
collected in November 2001 from temporary wells installed approximately
100 feet downgradient of the activated soil shielding. Following this
finding, the impermeable cap that was installed over the VQ-12 Magnet
area in December 1999 was inspected and was found to be structurally
sound. It is likely that the continued presence of high levels of
tritium in groundwater is due to the release of residual tritium from
the vadose zone following a natural rise in water table position that
occurred during 2000.*

*Groundwater monitoring during 2001 indicates that tritium
concentrations downgradient of the former E-20 Catcher and former U-Line
target have dropped to below the 20,000 pCi/L drinking water standard,
indicating that the impermeable caps have been effective in preventing
additional residual activation from entering the groundwater.
Groundwater monitoring results for other soil activation areas such as
the Booster Beam Stop, Building 914, Building 912 and the J-10 stop
indicate only low to non-detectable levels of tritium and sodium-22.*

*The environmental TLD 054-400, located at Bldg. 914 (near the new BAF
facility) showed elevated dose rate in the first quarter. The TLD
measurements indicated a 237 mrem dose rate for the first quarter.
Second quarter TLD was not recovered for reading, however, the third and
fourth quarter TLD showed dose of 35 mrem for each quarter. The high
readings may be attributed to the sky-shine phenomenon during the
operation of the g-2 experiment, which ran during the first quarter of
2001.*

*During CY 2001, there were three apparent SPDES permit excursions for
hydroxyethylidene-diphosphonic acid (HEDP) at outfalls contributed to by
AGS discharges. However, due to anomalies in the analytical data, and
subsequent comparison with split sample results from a second contractor
laboratory, the detection of HEDP could not be verified.*

###### Environmental Monitoring Program

As required by DOE Order 5400.1, BNL has established an environmental
monitoring program at the Alternating Gradient Synchrotron (AGS)
facility to evaluate potential impacts to environmental quality from its
operation, and to demonstrate compliance with DOE requirements and
applicable federal, state and local laws and regulations.

Operations at the AGS facility have the potential to impact soil and
groundwater quality. The primary environmental concern is beam line
interaction with the AGS's beam stops and targets. Secondary particles
created in these areas may interact with the soil shielding surrounding
these areas. These interactions can result in the production of tritium
and sodium-22, which could be leached out of the soils by rainwater. In
addition, various routine cooling water, floor drain, and stormwater
discharges from the AGS complex have the potential to impact surface
water quality via discharge to the BNL sewage treatment plant. In
addition, discharges from once through cooling water systems and cooling
towers have the potential to impact groundwater quality via recharge
basins.

The environmental monitoring program for the AGS area is described in
the BNL Environmental Monitoring Plan (Daum *et al*. 2000; BNL, 2000).
These monitoring programs are summarized below.

###### Monitoring Results

**Groundwater Program**

Activated soils have been created near a number of AGS experimental
areas as the result of secondary particles (primarily neutrons) produced
at beam targets and beam stops. Radionuclides, such as tritium and
sodium-22, have been produced by the interaction of these secondary
particles with the soils that surround these experimental areas. Between
January 1999 and January 2000, BNL installed 51 permanent and 31
temporary groundwater monitoring wells to evaluate the impact of current
and historical operations at the AGS's beam stop and target areas. The
locations of permanent monitoring wells are shown on Figure 1.

Historical surface spills and discharges of solvents to cesspools and
recharge basins near the AGS have contaminated soils and groundwater
with volatile organic compounds (VOCs). VOC contamination is monitored
under the ER program's OU III Central Areas (see annual BNL Site
Environmental Report for details on VOC groundwater contamination in the
AGS area).

***[g-2 Experiment Area]{.underline}***: In November 1999, monitoring
wells located approximately 250 feet downgradient of the g-2
experimental area detected the presence of a tritium and sodium-22 plume
originating from activated soil shielding. A sample from Well 054-067
collected in October 1999 had a tritium concentration of 41,700 pCi/L
(approximately twice the drinking water standard of 20,000 pCi/L). A
groundwater investigation conducted during November-December 1999
revealed a narrow plume of approximately 20-30 feet wide and 250-300
feet long. The maximum radionuclide concentrations were detected in
temporary Well 054-116, located approximately 70 feet downgradient of
the g-2 beam line, with a tritium concentration of 1,800,000 pCi/L and
sodium-22 concentration of 60 pCi/L (or 15% of the 400 pCi/L drinking
water standard).

Following the discovery, an investigation into the source of the
contamination revealed that the tritium originated from activated soil
shielding located adjacent to the g-2 Experiment's VQ-12 Magnet. In
December 1999, an impermeable cap was installed over the g-2 soil
activation area to prevent rainwater infiltration and the continued
leaching the radionuclides out of the soils and into groundwater. In
September 2000, the activated soil shielding and the associated tritium
plume were designated as new sub-Area of Concern 16T. Following this
designation, DOE agreed to prepare an Engineering Evaluation/Cost
Analysis (EE/CA) to evaluate the adequacy of the corrective actions
taken to date, and the need for further actions. During 2001, BNL
conducted additional characterization work designed to obtain the
necessary plume concentration and position data required to prepare the
EE/CA.

In February 2001, BNL installed eight temporary Geoprobe wells. The
effort focused on two main areas, the area just west of Building 912A
and the area just east of Building 912. The results from the temporary
well samples taken west and south of Building 912A indicated tritium
concentrations up to 170,000 pCi/L. During this same period, the tritium
concentration in nearby permanent well 054-07 was 77,100 pCi/L. The
results from the temporary well samples collected east of Building 912
indicated tritium concentrations up to 67,500 pCi/L at location GP8.
Based upon these results, the leading edge of the g-2 tritium plume was
found to be situated to the east of Building 912, and positioned
entirely within the shallow zone (50 ft) of the Upper Glacial aquifer.
However, because very high levels of tritium (nearly 1.8 M pCi/L) had
been detected in late 1999 directly downgradient of the source area, it
was presumed that the highest concentration portion of the tritium plume
was still residing beneath Building 912.

In anticipation that higher levels of tritium would eventually migrate
to the east of Building 912, it was determined that it was premature to
formally commit to a remedial action. In September 2001, BNL obtained
regulatory agency concurrence that an additional year of monitoring was
required before a final EE/CA and Action Memorandum would be prepared.
BNL prepared a detailed work plan that detailed the proposed groundwater
monitoring program, which included the installation of additional
temporary wells to verify the position of the plume.

In November 2001, BNL installed nine additional Geoprobe wells. The
effort again focused on two main areas, the area just west of Building
912A and the area just east of Building 912. The results from the
temporary well samples taken west of Building 912A indicated tritium
concentrations up to 1,820,000 pCi/L. Following this finding, questions
arose as to the integrity of the cap. The cap was thoroughly inspected,
and was found to be in excellent condition. It is likely that the
continued presence of high levels of tritium in groundwater directly
downgradient of the source area is due to the release of residual
tritium from the vadose zone following a natural rise in water table
position that occurred during 2000. The results from the temporary well
samples collected east of Building 912 indicated that the leading edge
of the g-2 tritium plume was located approximately 100 feet to the
southwest of the Waste Concentration Facility, a distance of
approximately 1,000 feet from the VQ-12 source area (Figure 1). Tritium
concentrations up to 79,500 pCi/L were observed at Geoprobe location
G2-GP-11 located directly to the east of Building 912, and tritium
concentrations up to 25,500 pCi/L were detected in G2-GP-16 located
approximately 100 feet to the southwest of the Waste Concentration
Facility. Based upon these findings, BNL installed two additional
permanent monitoring wells near Building 912A. BNL and the regulatory
agencies determined that additional monitoring of the permanent wells
would be required before completing the g-2 tritium plume EE/CA and
Action Memorandum.

***[Former E-20 Catcher Area]{.underline}***: In late 1999, tritium and
sodium-22 were detected in wells located approximately 100 feet
downgradient of the former E-20 Catcher. The highest levels of tritium
and sodium-22 were 5,800 pCi/L and 219 pCi/L, respectively. To further
evaluate the extent of contamination, four Geoprobe wells were installed
in January 2000. Tritium and sodium-22 levels in the temporary wells
were found to exceed the drinking water standards, with concentrations
of 40,400 pCi/L and 704 pCi/L, respectively. In April 2000, a temporary
impermeable cap was installed over the E-20 Catcher soil activation area
to prevent rainwater infiltration and the continued leaching the
radionuclides out of the soils and into groundwater. A permanent cap was
constructed by October 2000, and one additional well (Well 064-80) was
installed for improved long-term monitoring the source area. During
2001, all tritium and sodium-22 concentrations were found to be below
applicable drinking water standards, with a maximum tritium
concentration of 2,070 pCi/L, and a maximum sodium-22 concentration of
163 pCi/L (Table 4).

***[Former U-Line Target and Stop Areas]{.underline}***: Low levels of
tritium and sodium-22 are routinely detected in wells located
downgradient of the former U-Line target (Table 4). The tritium and
sodium-22 concentrations are well below the applicable drinking water
standards. The highest tritium concentration during 2001 was 3,960 pCi/L
in Well 054-129 located approximately 200 feet downgradient of the
target area. The highest sodium-22 concentration was 26.6 pCi/L in Well
054-69 located approximately 550 feet downgradient of the target area.
Low-level contamination from the former U-Line area can be traced to
Well 055-32, located approximately 1,000 feet downgradient of the target
area. The maximum tritium and sodium-22 concentrations detected in this
well was 3,820 pCi/L and 7.5 pCi/L, respectively.

Following the detection of tritium at concentrations up to 71,600 pCi/L
in temporary wells installed downgradient of the Former U-Line beam stop
in March-April 2000, BNL installed a temporary impermeable cap over the
U-Line stop soil activation area to prevent rainwater infiltration and
the continued leaching the radionuclides out of the soils and into
groundwater. By October 2000, a permanent cap was constructed over the
U-Line stop area, and two additional permanent wells (054-168 and
054-169) were installed to provide long-term monitoring. During 2001,
the maximum tritium and sodium-22 concentrations were observed in
downgradient well 054-128, with concentrations of 3,960 pCi/L and 1.9
pCi/L, respectively.

***[Building 912 Area]{.underline}***: Other than tritium and sodium-22
contamination that is traceable to several upgradient sources,
groundwater surveillance data for 2001 do not indicate that appreciable
levels of tritium or sodium-22 are being released from potentially
activated soils located beneath the experimental floor. As noted above,
the g-2 tritium plume has been tracked from the VQ-12 magnet source,
beneath a portion of Building 912, to an area located just to the
southwest of the Waste Concentration Facility. Elevated levels of
tritium from this plume have been detected in several downgradient wells
(especially wells 065-121, 065-122, 065-123 and 065-124). Furthermore,
low levels of tritium that are traceable to the Former U-Line Target
area have been detected in downgradient well 055-32. In areas not
impacted by the g-2 tritium plume or Former U-Line experimental areas,
tritium and sodium-22 was either non-detectable (\<300 pCi/L) or were
only observed at trace levels.

***[Booster Beam Stop Area]{.underline}***: Low levels of tritium were
detected in downgradient well 064-52. The highest tritium and sodium-22
levels were detected in the October/November sample, at concentrations
of 1,340 pCi/L at 12.5 pCi/L, respectively. The low-levels of tritium
and sodium-22 could be related to a short-term uncovering of activated
soil shielding near the Booster Beam Stop during the construction of the
tunnel leading from the Booster to the Booster Applications Facility.
This work, which began in September 1999 and was completed by October
1999, may have allowed rainwater to infiltrate the low-level activated
soil shielding.[^1]

***[Building 914 Transfer Area]{.underline}***: Low levels of tritium
(616 pCi/L) were detected in one sample from downgradient well 064-53.
Low levels of sodium-22 (up to 20.6 pCi/L) were detected in all three
downgradient wells (064-03, 064-53 and 064-54).

***[J-10 Beam Stop Area]{.underline}***: Low levels of tritium (450
pCi/L) were detected in one sample from downgradient well 054-64). Low
levels of sodium-22 (up to 5.6 pCi/L) were detected in both downgradient
wells (054-63 and 054-64). Low levels of sodium-22 have been detected in
this area before beam-scraping activities at J-10 began in December
1999. Therefore, the low-levels of tritium and sodium-22 may be related
to historical low-level activation of soils along this section of the
beam line.

**Environmental Dosimeters**

Environmental thermoluminescent dosimeters (TLDs) are used to measure
direct penetrating radiation in the field. These TLDs measure ambient
external dose to living organisms. There were three TLDs (074-450,
074-451, and 054-400) in the vicinity of the AGS that are used to
establish ambient dose rates (Table 5). These monitoring locations are
shown on Figure 2.

Ambient dose for first and second quarters of CY 2001 was similar to the
background at Bldg. 197 (TLD# 074-450) and Bldg. 907 (TLD #074-451).
Environmental TLD \# 054-400 located at Building 914, near the new BAF
facility had 237 mrem dose rate for the first quarter. Second quarter
TLD was not recovered for reading, however, the third and fourth quarter
TLD showed dose of 35 mrem for each quarter*.* The high readings may be
attributed to the sky-shine phenomenon during the operation of the g-2
experiment, which ran during the first quarter of 2001.

**SPDES Monitoring**

Sanitary wastes from AGS facilities are discharged to the BNL sanitary
sewer system. Cooling tower blowdown from Building 902 is also
discharged to the sanitary sewer. The Building 902 cooling tower
discharge is monitored quarterly for flow, pH, and polypropylene glycol
monobutyl ether, a heat transfer fluid (UCONN LB-170-X). In addition, a
daily log of oil consumption must be maintained. Monitoring of the site
sanitary sewer is performed at the treated effluent discharge to the
Peconic River. In March 2001 Magnet Division employees reported a loss
of approximately 20 gallons of UCON heat transfer fluid. Examination of
the tower basin revealed that it had been impacted by this release as
evidenced by floating heat transfer fluid and significant foaming of the
basin. The sewage treatment plant was immediately placed into a
diversion mode to prevent release of the material to the Peconic River.
However, examination of the sewage treatment plant effluent showed that
some of the material had passed through the plant and that there was
evidence of foaming in the Peconic. The release was reported to the New
York State Department of Environmental Conservation and the Suffolk
County Department of Health Services. There were no violations issued as
a result of the release.

In addition, various cooling water, floor drain, and stormwater
discharges from the AGS complex are monitored at four recharge basin
outfalls (Figure 3). Outfall 003 (Basin HO) receives AGS non-contact
cooling water discharged from the main magnet heat exchanger located in
Building 911. Outfall 006A (Basin HT-W) receives LINAC non-contact
cooling water, cooling tower blowdown, and floor drain and stormwater
runoff. Outfall 006B (Basin HT-E) receives Building 919 cooling tower
blowdown, non-contact cooling water, as well as floor drain and
stormwater discharges. Outfall 002 (Basin HN) receives experimental
cooling tower blowdown from Building 912, and stormwater runoff. During
2001, these outfalls were monitored for flow and pH on a weekly basis,
and oil and grease on a monthly basis. The outfalls were also monitored
for volatile organic compounds and cooling tower treatment reagent
residuals on a quarterly basis.

During CY 2001, there were five apparent SPDES permit excursions for
hydroxyethylidene-diphosphonic acid (HEDP) at outfalls 002, 002B, 005,
006A and 006B. The AGS contributes wastewater to three of these
discharges (002, 006A and 006B). However, due to anomalies in the
analytical data provided by CHEMTEX, Inc. and comparison with split
sample results from H2M Labs, Inc., the presence of HEDP could not be
verified. Historically, HEDP has not been detected at these basins.

*[Environmental Surveillance Monitoring]{.underline}*: In addition to
SPDES monitoring, all discharges are monitored quarterly for
radionuclides, metals, volatile organic compounds and water chemistry
parameters.

During 2001, no radionuclides related to Laboratory operations were
detected in the discharges to outfalls 006A or 006B. The maximum gross
alpha concentration detected was 4.2 pCi/L at outfall 006B in January.
The maximum gross beta concentration detected was 3.4 pCi/L at outfall
006B in July. Tritium was not detected at any of the outfalls, and only
naturally occurring gamma emitting radionuclides (e.g., potassium-40)
were observed.

In addition, the monitoring program detected elevated levels of iron and
aluminum at outfalls 002, 006A and 006B. The maximum concentration of
aluminum and iron was 4.8 mg/L and 2.7 mg/L respectively at outfall 006A
in October. Although the iron concentration is greater than the
corresponding NYSDEC effluent limitations of 0.6 mg/L, this sample was
unfiltered and therefore this result may not be representative of the
true dissolved iron concentration. The levels of aluminum and iron
detected in the other surveillance samples (ranging from 0.7 to 0.8 mg/L
and 0.6 to 0.7 mg/L, respectively) may be related to native sediment
carried by storm water run off and/or natural corrosion products
associated with the cooling system piping.

Low levels of trihalomethanes (\< 3.5 ppb) were detected sporadically in
the AGS discharges to Outfalls 002, 003, 006A and 006B. These compounds
are present as a potable water disinfection by-products and are,
therefore not attributable to AGS operations.

**Future Actions**

The following actions are either in progress or need to be completed:

-   An Engineering Evaluation/Cost Analysis will be finalized for the
    g-2 tritium plume. This information will be used to develop a
    long-term monitoring and management strategy for the plume. BNL will
    continue to sample wells used to track the g-2 /VQ12 tritium plume
    on a quarterly basis.

-   Based upon groundwater data collected during CY 2001, BNL will
    reduce monitoring schedule to semiannual for many of the wells used
    to monitor the former E-20 Catcher, former U-line Target and Stop
    areas, Building 912, J-10 Stop, the 914 Transfer area, and the
    Booster Stop.

-   A new monitoring well will be installed downgradient of the BAF beam
    stop during the summer of 2002, and pre-operational monitoring will
    commence in late 2002.

-   In late 2001, the Laboratory petitioned the NYSDEC to modify the
    Laboratory's SPDES discharge permit. This modification was approved
    in early 2002. Monitoring at outfall 003 (HO) located behind the
    Central Steam Facility was removed. Outfall 012, designed to receive
    cooling water discharges from the BAF facility and located west of
    the BLIP facility, was added to the list of SPDES permitted
    outfalls. Although the NYSDEC is not requiring monitoring at these
    outfalls, BNL will perform quarterly monitoring of the water
    discharges as part of the Laboratory's environmental surveillance
    program.

**References**

BNL, 2001. Brookhaven National Laboratory Environmental Monitoring Plan,
CY 2001 Update (January 2001). BNL Report 52584 Update.

Daum, M., Dorsch, W., Fry, J., Green, T., Lee, R., Naidu, J., Paquette,
D., Scarpitta, S., and Schroeder, G., 2000. Brookhaven National
Laboratory, Environmental Monitoring Plan 2000 (March 31, 2000). BNL
Report 52584.

BNL Facility Groundwater Monitoring Program

Alternating Gradient Synchrotron: g-2 Tritium Plume and g-2 Beam Stop
Area

Summary of Tritium and Sodium-22 Results for CY 2001

(pCi/L)

Table 1

+-------+------+---------+----------+----------+----------+-----------+
| **    | #    | #       | # A      | **June** | **July** | **        |
| Locat | Well | January | pril/May |          |          | October/N |
| ion** |      |         |          |          |          | ovember** |
+-------+------+---------+----------+----------+----------+-----------+
| Upgra | 05   | H3=     | H3=      | NS       | NS       | H3= \<380 |
| dient | 4-65 | \<351   | \<366    |          |          |           |
| Wells |      |         |          |          |          | Na-22= ND |
|       |      | Na-22=  | Na-22=   |          |          |           |
|       |      | ND      | ND       |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
|       | 05   | H3=     | H3=      | NS       | NS       | H3= \<380 |
|       | 4-66 | \<289   | \<339    |          |          |           |
|       |      |         |          |          |          | Na-22= ND |
|       |      | Na-22=  | Na-22=   |          |          |           |
|       |      | ND      | ND       |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
| Do    | 05   | H3=     | H3=      | NS       | H3=      | H3= 5,750 |
| wngra | 4-07 | 77,100  | 9,810    |          | 26,400   | +/- 468   |
| dient |      | +/-     | +/- 507  |          | +/- 884  |           |
| of    |      | 1,570   |          |          |          | Na-22=    |
| VQ12  |      |         | Na-22=   |          | Na-22=   | 38.7 +/-  |
| M     |      | Na-22=  | 80.0 +/- |          | 35.6 +/- | 4.0       |
| agnet |      | 75.8    | 6.9      |          | 3.5      |           |
|       |      | +/- 6.8 |          |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
|       | 054  | H3=     | H3=      | NS       | H3= 718  | H3= 579   |
|       | -124 | 1,940   | 1,560    |          | +/- 266  | +/- 302   |
|       |      | +/- 302 | +/- 265  |          |          |           |
|       |      |         |          |          | Na-22=   | Na-22=    |
|       |      | Na-22=  | Na-22=   |          | 3.3 +/-  | 2.8 +/-   |
|       |      | ND      | 2.7 +/-  |          | 1.5      | 1.2       |
|       |      |         | 1.1      |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
|       | G2-G | NI      | NI       | NI       | NI       | H3=       |
|       | P-09 |         |          |          |          | 1,820,000 |
|       |      |         |          |          |          |           |
|       |      |         |          |          |          | Na-22=    |
+-------+------+---------+----------+----------+----------+-----------+
|       | G2-G | NI      | NI       | NI       | NI       | H3=       |
|       | P-17 |         |          |          |          | 1,770,000 |
|       |      |         |          |          |          |           |
|       |      |         |          |          |          | Na-22=    |
+-------+------+---------+----------+----------+----------+-----------+
|       |      |         |          |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
| Do    | 05   | H3=     | H3= 725  | NS       | NS       | H3= \<380 |
| wngra | 4-67 | \<337   | +/- 256  |          |          |           |
| dient |      |         |          |          |          | Na-22= ND |
| of    |      | Na-22=  | Na-22=   |          |          |           |
| g-2   |      | ND      | ND       |          |          |           |
| Beam  |      |         |          |          |          |           |
| Stop  |      |         |          |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
|       | 05   | H3= 722 | H3=      | NS       | NS       | H3= \<380 |
|       | 4-68 | +/- 243 | \<355    |          |          |           |
|       |      |         |          |          |          | Na-22=    |
|       |      | Na-22=  | Na-22=   |          |          | 3.3 +/-   |
|       |      | 1.2 +/- | ND       |          |          | 1.4       |
|       |      | 1.1     |          |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
|       | 054  | H3=     | H3=      | NS       | NS       | H3= \<380 |
|       | -125 | \<337   | \<339    |          |          |           |
|       |      |         |          |          |          | Na-22= ND |
|       |      | Na-22=  | Na-22=   |          |          |           |
|       |      | 2.4 +/- | ND       |          |          |           |
|       |      | 1.8     |          |          |          |           |
+-------+------+---------+----------+----------+----------+-----------+
|       | 054  | H3=     | H3=      | NS       | H3=      | H3= \<380 |
|       | -126 | \<365   | \<339    |          | \<375    |           |
|       |      |         |          |          |          | Na-22= ND |
|       |      | Na-22=  | Na-22=   |          | Na-22=   |           |
|       |      | ND      | ND       |          | ND       |           |
+-------+------+---------+----------+----------+----------+-----------+

NS: Well not sampled during this period.

NA: Not analyzed for this radionuclide.

NI: Well, not installed during this sample period.

Note A: Drinking water standard for tritium = 20,000 pCi/L; for
sodium-22 = 400 pCi/L.

Note B: Temporary Geoprobe Wells G2-GP-09 and G2-GP-17 were installed as
part of the g-2 EE/CA in November 2001. Permanent wells were installed
at these locations in early 2002.

BNL Facility Groundwater Monitoring Program

Alternating Gradient Synchrotron: g-2 Tritium Plume and g-2 Beam Stop
Area

Summary of Tritium and Sodium-22 Results for CY 2001

(pCi/L)

Table 1 (Continued)

+-------+-----+---------+---------+----------+----------+----------+
| **    | # W | #       | # Ap    | **June** | **July** | **Oc     |
| Locat | ell | January | ril/May |          |          | tober/No |
| ion** |     |         |         |          |          | vember** |
+-------+-----+---------+---------+----------+----------+----------+
| East  | 0   | H3= 575 | H3= 926 | NS       | H3= 603  | H3= 864  |
| of    | 65- | +/- 218 | +/- 225 |          | +/- 249  | +/- 324  |
| Bui   | 121 |         |         |          |          |          |
| lding |     | Na-22=  | Na-22=  |          | Na-22=   | Na-22=   |
| 912   |     | 2.6 +/- | 2.9 +/- |          | ND       | 3.0 +/-  |
|       |     | 1.7     | 1.7     |          |          | 1.2      |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3=     | NS       | H3=      | H3=      |
|       | 65- | \<351   | \<335   |          | \<375    | \<381    |
|       | 193 |         |         |          |          |          |
|       |     | Na-22=  | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | +/- ND  | ND      |          | ND       | ND       |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3=     | H3 =     | H3=      | H3=      |
|       | 65- | 2,590   | 59,100  | 79,700   | 22,700   | 18,900   |
|       | 122 | +/- 328 | +/-     | +/-      | +/- 793  | +/- 819  |
|       |     |         | 1,210   | 1,620    |          |          |
|       |     | Na-22=  |         |          | Na-22=   | Na-22=   |
|       |     | 10.5    | Na-22=  | Na-22 =  | 4.9      | 3.5 +/-  |
|       |     | +/- 1.8 | 4.8 +/- | 2.9 +/-  |          | 1.3      |
|       |     |         | 1.3     | 1.4      |          |          |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3=     | NS       | H3= 560  | H3= 479  |
|       | 65- | 9,580   | 1,330   |          | +/- 242  | +/- 266  |
|       | 123 | +/- 532 | +/- 245 |          |          |          |
|       |     |         |         |          | Na-22=   | Na-22=   |
|       |     | Na-22=  | Na-22=  |          | 6.4 +/-  | 2.6 +/-  |
|       |     | ND      | 1.6 +/- |          | 1.6      | 1.0      |
|       |     |         | 0.9     |          |          |          |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3=     | NS       | H3=      | H3=      |
|       | 65- | \<315   | \<335   |          | \<375    | \<381    |
|       | 194 |         |         |          |          |          |
|       |     | Na-22=  | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | ND      | ND      |          | ND       | ND       |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3= 516 | NS       | H3=      | H3=      |
|       | 65- | 3,190   | +/- 207 |          | \<375    | \<405    |
|       | 124 | +/- 351 |         |          |          |          |
|       |     |         | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | Na-22=  | 1.9 +/- |          | ND       | ND       |
|       |     | 9.3 +/- | 1.0     |          |          |          |
|       |     | 1.8     |         |          |          |          |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3= 893 | H3= 701 | NS       | H3= 527  | H3=      |
|       | 65- | +/- 255 | +/- 218 |          | +/- 247  | \<405    |
|       | 125 |         |         |          |          |          |
|       |     | Na-22=  | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | 2.2 +/- | ND      |          | ND       | ND       |
|       |     | 1.6     |         |          |          |          |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3=     | NS       | H3=      | H3=      |
|       | 65- | 3,340   | \<335   |          | \<375    | \<405    |
|       | 195 | +/- 359 |         |          |          |          |
|       |     |         | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | Na-22=  | ND      |          | ND       | ND       |
|       |     | ND      |         |          |          |          |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | H3=     | H3=     | NS       | H3=      | H3=      |
|       | 65- | \<365   | \<335   |          | \<375    | \<380    |
|       | 126 |         |         |          |          |          |
|       |     | Na-22=  | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | ND      | ND      |          | ND       | ND       |
+-------+-----+---------+---------+----------+----------+----------+
|       | 055 | H3=     | H3=     | NS       | H3=      | H3=      |
|       | -31 | \<365   | \<366   |          | \<375    | \<409    |
|       |     |         |         |          |          |          |
|       |     | Na-22=  | Na-22=  |          | Na-22=   | Na-22=   |
|       |     | ND      | ND      |          | ND       | ND       |
+-------+-----+---------+---------+----------+----------+----------+
|       | G2  | NI      | NI      | NI       | NI       | H-3 =    |
|       | -GP |         |         |          |          | 79,500   |
|       | -12 |         |         |          |          |          |
|       |     |         |         |          |          | Na-22 =  |
|       |     |         |         |          |          | NA       |
+-------+-----+---------+---------+----------+----------+----------+
|       |     |         |         |          |          |          |
+-------+-----+---------+---------+----------+----------+----------+
| SW of | 065 | NS      | NS      | NS       | H3= 898  | H3=      |
| WCF   | -02 |         |         |          | +/- 235  | 9,430    |
|       |     |         |         |          |          | +/- 601  |
|       |     |         |         |          | Na-22=   |          |
|       |     |         |         |          | ND       | Na-22=   |
|       |     |         |         |          |          | ND       |
+-------+-----+---------+---------+----------+----------+----------+
|       | 0   | NS      | NS      | NS       | H3=      | H3=      |
|       | 65- |         |         |          | \<300    | \<381    |
|       | 173 |         |         |          |          |          |
|       |     |         |         |          | Na-22=   | Na-22=   |
|       |     |         |         |          | ND       | ND       |
+-------+-----+---------+---------+----------+----------+----------+
|       | G2  | NI      | NI      | NI       | NI       | H3 =     |
|       | -GP |         |         |          |          | 25,500   |
|       | -16 |         |         |          |          |          |
|       |     |         |         |          |          | Na-22 =  |
|       |     |         |         |          |          | NA       |
+-------+-----+---------+---------+----------+----------+----------+

NS: Well not sampled during this period. Note: Drinking water standard
for tritium = 20,000 pCi/L; for sodium-22 = 400 pCi/L.

NA: Not analyzed for this radionuclide.

BNL Facility Groundwater Monitoring Program

Alternating Gradient Synchrotron: Building 912 Beam Targets and Stops

Summary of Tritium and Sodium-22 Results for CY 2001

(pCi/L)

Table 2

+-------+------+----------+----------+----------+----------+----------+
| **    | #    | #        | # A      | **June** | **July** | **Oc     |
| Locat | Well |  January | pril/May |          |          | tober/No |
| ion** |      |          |          |          |          | vember** |
+-------+------+----------+----------+----------+----------+----------+
| Upgra | 05   | H3=      | H3= 725  | NS       | NS       | H3=      |
| dient | 4-67 | \<337    | +/- 256  |          |          | \<380    |
| of    | (a)  |          |          |          |          |          |
| Bui   |      | Na-22=   | Na-22=   |          |          | Na-22=   |
| lding |      | ND       | ND       |          |          | ND       |
| 912   |      |          |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | H3= 722  | H3=      | NS       | NS       | H3=      |
|       | 4-68 | +/- 243  | \<355    |          |          | \<380    |
|       | (a)  |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          |          | Na-22=   |
|       |      | 1.2 +/-  | ND       |          |          | 1.6 +/-  |
|       |      | 1.1      |          |          |          | 1.1      |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | H3= 866  | H3=      | NS       | NS       | H3=      |
|       | 4-69 | +/- 254  | \<339    |          |          | \<380    |
|       | (b)  |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          |          | Na-22=   |
|       |      | 26.6 +/- | 16.8 +/- |          |          | 3.3 +/-  |
|       |      | 3.0      | 2.1      |          |          | 1.4      |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | H3=      | H3=      | NS       | NS       | H3=      |
|       | 5-14 | \<289    | \<339    |          |          | 1,720    |
|       | (b)  |          |          |          |          | +/- 359  |
|       |      | Na-22=   | Na-22=   |          |          |          |
|       |      | ND       | ND       |          |          | Na-22=   |
|       |      |          |          |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
| Do    | 05   | NS       | H3= 441  | NS       | NS       | H3=      |
| wngra | 5-15 |          | +/- 239  |          |          | \<380    |
| dient |      |          |          |          |          |          |
| of    |      |          | Na-22=   |          |          | Na-22=   |
| Bui   |      |          | 7.1 +/-  |          |          | ND       |
| lding |      |          | 1.5      |          |          |          |
| 912   |      |          |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | NS       | H3=      | NS       | NS       | H3=      |
|       | 5-16 |          | \<355    |          |          | \<380    |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | NS       | H3= 405  | NS       | NS       | H3= 453  |
|       | 5-29 |          | +/- 237  |          |          | +/- 306  |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | NS       | H3=      | NS       | NS       | H3=      |
|       | 5-30 |          | \<339    |          |          | \<409    |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | ND       |          |          | 4.0 +/-  |
|       |      |          |          |          |          | 1.4      |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | H3=      | H3=      | NS       | H3=      | H3=      |
|       | 5-31 | \<365    | \<366    |          | \<375    | \<409    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | ND       | ND       |          | ND       | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | NS       | H3=      | NS       | NS       | H3=      |
|       | 5-32 |          | 3,820    |          |          | 1,320    |
|       |      |          | +/- 346  |          |          | +/- 301  |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | 7.5 +/-  |          |          | 7.7 +/-  |
|       |      |          | 2.1      |          |          | 1.8      |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | NS       | H3= 330  | NS       | NS       | H3= 473  |
|       | -120 |          |          |          |          | +/- 255  |
|       |      |          | Na-22=   |          |          |          |
|       |      |          | ND       |          |          | Na-22=   |
|       |      |          |          |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3= 575  | H3= 926  | NS       | H3= 603  | H3= 864  |
|       | -121 | +/- 218  | +/- 225  |          | +/- 249  | +/- 324  |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | 2.6 +/-  | 2.9 +/-  |          | ND       | 3.0 +/-  |
|       |      | 1.7      | 1.7      |          |          | 1.2      |
+-------+------+----------+----------+----------+----------+----------+

NS: Well not sampled during this period.

NA: Not analyzed for this radionuclide.

NI: Well, not installed during this sample period.

Note A: Drinking water standard for tritium = 20,000 pCi/L; for
sodium-22 = 400 pCi/L.

BNL Facility Groundwater Monitoring Program

Alternating Gradient Synchrotron: Building 912

Summary of Tritium and Sodium-22 Results for CY 2001

(pCi/L)

Table 2 (Continued)

+-------+------+----------+----------+----------+----------+----------+
| **    | #    | #        | # A      | **June** | **July** | **Oc     |
| Locat | Well |  January | pril/May |          |          | tober/No |
| ion** |      |          |          |          |          | vember** |
+-------+------+----------+----------+----------+----------+----------+
| Do    | 065  | H3=      | H3=      | H3 =     | H3=      | H3=      |
| wngra | -122 | 2,590    | 59,100   | 79,700   | 22,700   | 18,900   |
| dient |      | +/- 328  | +/-      | +/-      | +/- 793  | +/- 819  |
| of    |      |          | 1,210    | 1,620    |          |          |
| Bui   |      | Na-22=   |          |          | Na-22=   | Na-22=   |
| lding |      | 10.5 +/- | Na-22=   | Na-22 =  | 4.9      | 3.5 +/-  |
| 912   |      | 1.8      | 4.8 +/-  | 2.9 +/-  |          | 1.3      |
| (C    |      |          | 1.3      | 1.4      |          |          |
| ont.) |      |          |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3=      | H3=      | NS       | H3= 560  | H3= 475  |
|       | -123 | 9,580    | 1,330    |          | +/- 242  | +/- 266  |
|       |      | +/- 532  | +/- 245  |          |          |          |
|       |      |          |          |          | Na-22=   | Na-22=   |
|       |      | Na-22=   | Na-22=   |          | 6.4 +/-  | 2.6 +/-  |
|       |      | ND       | 1.6 +/-  |          | 1.6      | 1.0      |
|       |      |          | 0.9      |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3=      | H3= 516  | NS       | H3=      | H3=      |
|       | -124 | 3,190    | +/- 207  |          | \<375    | \<405    |
|       |      | +/- 351  |          |          |          |          |
|       |      |          | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | Na-22=   | 1.9 +/-  |          | ND       | ND       |
|       |      | 9.3 +/-  | 1.0      |          |          |          |
|       |      | 1.8      |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3= 893  | H3= 701  | NS       | H3= 527  | H3=      |
|       | -125 | +/- 255  | +/- 218  |          | +/- 247  | \<405    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | 2.2 +/-  | ND       |          | ND       | ND       |
|       |      | 1.6      |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3=      | H3=      | NS       | H3=      | H3= 423  |
|       | -126 | \<365    | \<335    |          | \<375    | +/- 220  |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | ND       | ND       |          | ND       | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | NS       | H3=      | NS       | NS       | H3=      |
|       | -192 |          | \<330    |          |          | \<405    |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3=      | H3=      | NS       | H3=      | H3=      |
|       | -193 | \<351    | \<335    |          | \<375    | \<381    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | +/- ND   | ND       |          | ND       | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3=      | H3=      | NS       | H3=      | H3=      |
|       | -194 | \<315    | \<335    |          | \<375    | \<381    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | ND       | ND       |          | ND       | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 065  | H3=      | H3=      | NS       | H3=      | H3=      |
|       | -195 | 3,340    | \<335    |          | \<375    | \<405    |
|       |      | +/- 359  |          |          |          |          |
|       |      |          | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | Na-22=   | ND       |          | ND       | ND       |
|       |      | ND       |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+

NS: Well not sampled during this period.

NA: Not analyzed for this radionuclide.

Note: Drinking water standard for tritium = 20,000 pCi/L; for sodium-22
= 400 pCi/L.

BNL Facility Groundwater Monitoring Program

Alternating Gradient Synchrotron: Building 914, Booster Beam Stop and
J-10 Beam Stop

Summary of Tritium and Sodium-22 Results for CY 2001

(pCi/L)

Table 3

+-------+------+----------+----------+----------+----------+----------+
| **    | #    | #        | # A      | **June** | **July** | **Oc     |
| Locat | Well |  January | pril/May |          |          | tober/No |
| ion** |      |          |          |          |          | vember** |
+-------+------+----------+----------+----------+----------+----------+
| Bui   | 06   | NS       | H3=      | NS       | NS       | H3=      |
| lding | 4-03 |          | \<303    |          |          | \<405    |
| 914   |      |          |          |          |          |          |
| (Tra  |      |          | Na-22=   |          |          | Na-22=   |
| nsfer |      |          | 1.9 +/-  |          |          | 13.1 +/- |
| Line) |      |          | 1.3      |          |          | 1.9      |
+-------+------+----------+----------+----------+----------+----------+
|       | 06   | NS       | H3= 616  | NS       | NS       | H3=      |
|       | 4-53 |          | +/- 222  |          |          | \<405    |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | 20.6 +/- |          |          | 2.9 +/-  |
|       |      |          | 2.5      |          |          | 1.6      |
+-------+------+----------+----------+----------+----------+----------+
|       | 06   | NS       | H3=      | NS       | NS       | H3=      |
|       | 4-54 |          | \<303    |          |          | \<405    |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | 8.5 +/-  |          |          | 17.2 +/- |
|       |      |          | 1.5      |          |          | 2.5      |
+-------+------+----------+----------+----------+----------+----------+
| Bo    | 05   | NS       | NS       | NS       | NS       | [BAF -   |
| oster | 4-08 |          |          |          |          | To be    |
| AF    |      |          |          |          |          | added in |
|       |      |          |          |          |          | CY2002   |
|       |      |          |          |          |          | ]{.mark} |
+-------+------+----------+----------+----------+----------+----------+
| Bo    | 06   | NS       | H3=      | NS       | NS       | H3=      |
| oster | 4-51 |          | \<335    |          |          | \<310    |
| Beam  |      |          |          |          |          |          |
| Stop  |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
| []{.  | 06   | NS       | H3= 393  | NS       | NS       | H3=      |
| mark} | 4-52 |          | +/- 202  |          |          | 1,340    |
|       |      |          |          |          |          | +/- 261  |
|       |      |          | Na-22=   |          |          |          |
|       |      |          | 6.2 +/-  |          |          | Na-22=   |
|       |      |          | 1.8      |          |          | 12.5 +/- |
|       |      |          |          |          |          | 1.8      |
+-------+------+----------+----------+----------+----------+----------+
| J-10  | 05   | NS       | H3=      | NS       | NS       | H3=      |
| Beam  | 4-62 |          | \<336    |          |          | \<380    |
| Stop  |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | NS       | H3=      | NS       | NS       | H3=      |
|       | 4-63 |          | \<336    |          |          | \<380    |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          |          | Na-22=   |
|       |      |          | 2.6 +/-  |          |          | 5.2 +/-  |
|       |      |          | 1.1      |          |          | 1.5      |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | NS       | H3= 450  | NS       | NS       | H3=      |
|       | 4-64 |          | +/- 218  |          |          | \<380    |
|       |      |          |          |          |          |          |
|       |      |          | N        |          |          | Na-22=   |
|       |      |          | a-22=2.6 |          |          | ND       |
|       |      |          | +/- 1.4  |          |          |          |
+-------+------+----------+----------+----------+----------+----------+

NS: Well not sampled during this period.

NA: Not analyzed for this radionuclide.

Note: Drinking water standard for tritium = 20,000 pCi/L; for sodium-22
= 400 pCi/L.

BNL Facility Groundwater Monitoring Program

Alternating Gradient Synchrotron: Former U-Line Target and Beam Stop and
E-20 Catcher Areas

Summary of Tritium and Sodium-22 Results for CY 2001

(pCi/L)

Table 4

+-------+------+----------+----------+----------+----------+----------+
| **    | #    | #        | # A      | **June** | **July** | **Oc     |
| Locat | Well |  January | pril/May |          |          | tober/No |
| ion** |      |          |          |          |          | vember** |
+-------+------+----------+----------+----------+----------+----------+
| U     | 054  | H3=      | H3=      | NS       | NS       | H3=      |
| -Line | -127 | \<289    | \<366    |          |          | \<380    |
| T     |      |          |          |          |          |          |
| arget |      | Na-22=   | Na-22=   |          |          | Na-22=   |
|       |      | ND       | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 054  | H3= 295  | H3=      | NS       | H3=      | H3=      |
|       | -129 | +/- 191  | 3,960    |          | 1,490    | \<397    |
|       |      |          | +/- 328  |          | +/- 288  |          |
|       |      | Na-22=   |          |          |          | Na-22=   |
|       |      | 5.6 +/-  | Na-22=   |          | Na-22=   | 16.8 +/- |
|       |      | 1.5      | 4.7 +/-  |          | 3.7 +/-  | 2.5      |
|       |      |          | 1.4      |          | 1.4      |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 054  | H3= 317  | H3= 530  | NS       | H3=      | H3=      |
|       | -130 | +/- 187  | +/- 243  |          | \<375    | \<380    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | 1.1 +/-  | 2.6 +/-  |          | 1.4 +/-  | ND       |
|       |      | 1.0      | 0.9      |          | 1.0      |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | H3= 866  | H3=      | NS       | NS       | H3=      |
|       | 4-69 | +/- 254  | \<339    |          |          | \<380    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          |          | Na-22=   |
|       |      | 26.6 +/- | 16.8 +/- |          |          | 3.3 +/-  |
|       |      | 3.0      | 2.1      |          |          | 1.4      |
+-------+------+----------+----------+----------+----------+----------+
| U     | 054  | NS -     | H3=      | NS       | H3=      | H3=      |
| -Line | -128 | Well     | 3,250    |          | 4,710    | 6,330    |
| Stop  |      | Damaged  | +/- 309  |          | +/- 411  | +/- 529  |
|       |      |          |          |          |          |          |
|       |      |          | Na-22=   |          | Na-22=   | Na-22=   |
|       |      |          | 1.9 +/-  |          | 0.9 +/-  | ND       |
|       |      |          | 0.9      |          | 0.8      |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 05   | H3=      | H3=      | NS       | NS       | H3=      |
|       | 5-14 | \<289    | \<339    |          |          | 1,720    |
|       |      |          |          |          |          | +/- 359  |
|       |      | Na-22=   | Na-22=   |          |          |          |
|       |      | ND       | ND       |          |          | Na-22=   |
|       |      |          |          |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
|       | 054  | H3=      | H3=      | NS       | H3=      | H3=      |
|       | -168 | 1,130    | \<314    |          | \<375    | \<381    |
|       |      | +/- 230  |          |          |          |          |
|       |      |          | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | Na-22=   | ND       |          | ND       | ND       |
|       |      | ND       |          |          |          |          |
+-------+------+----------+----------+----------+----------+----------+
|       | 054  | H3=      | H3=      | NS       | NS       | H3=      |
|       | -169 | \<289    | \<314    |          |          | \<381    |
|       |      |          |          |          |          |          |
|       |      | Na-22=   | Na-22=   |          |          | Na-22=   |
|       |      | ND       | ND       |          |          | ND       |
+-------+------+----------+----------+----------+----------+----------+
| E-20  | 06   | H3= 972  | H3=      | NS       | H3=      | H3=      |
| Beam  | 4-55 | +/- 232  | \<330    |          | \<300    | \<405    |
| Ca    |      |          |          |          |          |          |
| tcher |      | Na-22=   | Na-22=   |          | Na-22=   | Na-22=   |
|       |      | 163 +/-  | 73.8 +/- |          | 37.8 +/- | 48.7 +/- |
|       |      | 14.0     | 6.7      |          | 3.9      | 4.7      |
+-------+------+----------+----------+----------+----------+----------+
|       | 06   | H3=      | H3=      | NS       | H3= 633  | H3=      |
|       | 4-56 | \<351    | \<330    |          | +/- 274  | 2,070    |
|       |      |          |          |          |          | +/- 292  |
|       |      | Na-22=   | Na-22=   |          | Na-22=   |          |
|       |      | ND       | 15.0 +/- |          | 9.4 +/-  | Na-22=   |
|       |      |          | 1.2      |          | 1.6      | 42.5 +/- |
|       |      |          |          |          |          | 4.0      |
+-------+------+----------+----------+----------+----------+----------+
| []{.  | 06   | H3= 548  | Sampled  | H3=      | H3= 355  | H3= 613  |
| mark} | 4-80 | +/- 207  | in June  | \<292    | +/- 235  | +/- 230  |
|       |      |          |          |          |          |          |
|       |      | Na-22=   |          | Na-22=   | Na-22=   | Na-22=   |
|       |      | 51.0 +/- |          | 11.8 +/- | 10.9 +/- | 58.6 +/- |
|       |      | 4.9      |          | 2.1      | 1.7      | 5.1      |
+-------+------+----------+----------+----------+----------+----------+

NS: Well not sampled during this period.

NA: Not analyzed for this radionuclide.

Note: Drinking water standard for tritium = 20,000 pCi/L; for sodium-22
= 400 pCi/L.

**BNL Facility Environmental Monitoring Report**

**Alternating Gradient Synchrotron Facility**

### Environmental TLD Results for CY 2001

**Table 5**

  -------------- ----------- ----------- ----------- ----------- ------------
  **Location**   **TLD \#**  **1^st^     **2^nd^     **3^rd^     **4^th^
                             Quarter**   Quarter**   Quarter**   Quarter**

                             **mrem**                            

  Bldg. 197      074 --450   21.2        19.9        25.5        21.2

  Bldg. 907      074 --451   23.6        17.5        18.2        18.9

  Bldg. 914      054 --400   237.4       NR          34.7        34.7
  -------------- ----------- ----------- ----------- ----------- ------------

NR = TLD Not recovered

![](media/image3.png)

[^1]: Before construction of the BAF tunnel commenced, soil samples were
    collected by drilling through the tunnel wall near the Booster Beam
    Stop to verify that the tritium and sodium-22 levels were within
    acceptable limits for worker safety and environmental protection.