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MORSE STREET

HARRIS STREET

RE

MIN

G

MILL ROCK ROAD

SH

ELT

ON

AV

EN

UE

STREET

MORSE STREET

NE

WH

ALL

ST

RE

ET

HAMDEN MIDDLE SCHOOL

HAMDEN COMMUNITY

CENTER

LBG-MW-1

LBG-MW-2

LBG-MW-3

LBG-MW-5

LBG-MW-6

LBG-MW-13

HA-B105-OW

LBG-TB-152

LBG-MW-18BLBG-MW-18A

LBG-MW-19

LBG-MW-23B

LBG-MW-24A

LBG-MW-24B

H2001S

LBG-TB-140

LBG-TB-141

LBG-TB-187

LBG-TB-186

LBG-TB-181LBG-TB-182

SW-1

Sample Interval Sb As Ba Cu Pb Hg2 4 1.93 20.6 44.9 47.3 119 ND6 8 10 13.2 137 4,430 827 3.74

16 18 ND 9.04 70.7 8.48 4.33 ND

PZ-1

126 Monroe TurnpikeTrumbull CT 06611

(203) 452-3100

BG

L

TEST BORING LOCATION (2002)

TEST PIT LOCATION

LBG-MW-1

LBG-TB-3

MONITOR WELL LOCATION

LBG-TP-1

EXTENT OF FORMER NEW HAVEN WATERCOMPANY PROPERTIES

MONITOR WELL INSTALLED BYHA-B105-OWTOWN OF HAMDEN

LEGEND

TEST BORING LOCATION (2004-2005)LBG-TB-80

NOTE: BASE MAP PROVIDED BY RWA.

SNET MONITOR WELL MW-104

CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION

ACRONYMS

REMEDIATION STANDARD REGULATIONS

CTDEP

RSRs

FEET BELOW GRADEFT BG

BARIUMBa

RESIDENTIAL DIRECT EXPOSURE CRITERIARDEC

COPPERCu

EXCEEDS CTDEP RSRs RDEC

DOES NOT EXCEED CTDEP RSR CRITERIA

ANTIMONYSb

SUMMARY OF TOTAL METAL SOIL QUALITY RESULTS

LEADPb

MERCURYHg

ARSENICAs

Sample Interval Sb As Ba Cu Pb Hg3.5 4 10.9 4.46 82.1 212 3190 0.33

13.5 14 ND 1.36 20.7 6.65 8.02 ND

Sample Interval Sb As Ba Cu Pb Hg3.5 4 ND 1.8 28.2 13.3 5.12 ND6 8 ND 1.53 24.7 11.9 5.19 ND

Sample Interval Sb As Ba Cu Pb Hg3.5 4 ND ND 21 30.1 9.89 0.265 5.5 ND ND 13.2 21.8 14.2 ND9 9.5 ND ND 30.8 6.7 5.8 0.37

Sample Interval Sb As Ba Cu Pb Hg2.5 3 ND 1.7 27.3 11.3 6.36 ND

Sample Interval Sb A s Ba Cu Pb H g3.5 4 ND 1.85 44.6 14.2 6.46 ND

Sample Interval Sb As Ba Cu Pb Hg3.5 4 22.8 152 253 1,020 1,000 2.485.5 6 3 15.7 1,060 6,801 479 0.911 11.5 1.98 336 235 849 315 3.55

13.5 14 ND ND 22.9 11.7 11.4 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 2.14 2.23 24.2 84.8 438 ND9 10 1980 703 125 1,010 56,600 4.68

18 19 ND 4.92 55.4 37.1 31.9 0.2120 22 ND 2.44 38.4 18.2 11 ND

Sample Interval Sb As Ba Cu Pb Hg2.5 3 ND 2.54 51.2 8.75 11.6 ND4 6 1.46 2.78 89.3 144 401 ND

21.3 22 ND 1.37 36.5 11.9 4.04 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 50.3 26.9 286 1,650 6230 0.59 10 19.8 12.9 300 2620 1290 3.86

12 13.5 ND 7.47 102 323 56.5 1.8313.5 14 ND ND 79.1 17.4 12.2 0.17

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 16.7 412 102 30.2 0.478 10 ND 36.6 350 9,330 1,490 22.2

16 18 3.63 14.5 117 466 179 1.0220 22 ND 1.6 20.3 12.3 7.48 0.26

Sample Interval Sb As Ba Cu Pb Hg1.5 2 16.7 7.82 120 681 4,550 3.522 4 3.43 3.09 59.5 590 361 275 6 13.4 7.81 250 437 237 0.58

11 12 2.67 16.6 208 486 177 0.8415 16 ND 1.89 12.3 7.6 6.87 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 28.7 13.1 294 18,200 4,530 44.28 10 0.97 16.7 214 36.5 67.7 0.33

16 18 ND 5.35 463 319 737 0.423 24 ND 1.32 17.1 15.8 367 ND

Sample Interval Sb As Ba Cu Pb Hg3 4 17.3 6.76 104 320 1,040 0.559 10 ND 30.6 383 100 3,570 1.25

16 18 ND 9.79 199 32.4 9.83 0.8423 24 ND 2.76 48.7 11.9 8.52 ND

Sample Interval Sb As Ba Cu Pb Hg1.6 2 98.3 11 171 5,220 1,150 1.452 4 14.3 3.27 75.5 632 380 0.267 8 80.5 94.7 156 911 3,960 1.8815 16 ND 23.8 165 117 70 0.3719 20 ND 1.47 21.4 14 6.85 ND

Sample Interval Sb As Ba Cu Pb Hg2 3 1.33 17 260 202 96.3 1.166 8 16.6 15.6 249 1,430 916 4.4410 11 ND 40 160 17.4 7.44 1.113 14 ND 1.05 12.3 13.4 5.68 ND19 20 ND 1.4 9.03 6.22 2.9 ND

Sample Interval Sb As Ba Cu Pb Hg1.2 2 ND 85.2 335 179 505 0.372 2.5 1.02 59.8 351 168 470 0.29

8.7 9.7 ND ND 41.3 7.31 7.38 ND

Sample Interval Sb As Ba Cu Pb Hg1.1 1.3 2.86 117 903 290 1,680 1.122 2.4 2.51 7.64 48.9 586 32.9 0.285 6 ND 37.9 269 188 255 0.31

12 13 ND 4.82 130 28.8 16.2 ND

Sample Interval Sb As Ba Cu Pb Hg0.9 1.5 ND 5.05 71.1 95.9 214 0.382 2.8 ND 2.84 41.6 7.94 9.74 ND5 6 ND 1.78 29.9 9.74 5.54 ND

Sample Interval Sb As Ba Cu Pb Hg2 3 ND 1.25 17.6 9.65 10.2 ND

Sample Interval Sb As Ba Cu Pb Hg2 3 ND 4.31 74.2 26.2 408 0.45

Sample Interval Sb As Ba Cu Pb Hg2.2 3.1 165 131 59.1 366 18,200 0.414.9 5.7 668 531 314 2,120 16,800 0.82

13.4 13.9 906 305 273 1,080 58,200 0.5223 24 ND 1.16 14.6 9.5 7.01 ND

Sample Interval Sb As Ba Cu Pb Hg2.7 3.1 ND 3.92 34.1 154 139 0.495 6 ND 2.43 44.8 14.3 7.1 ND

Sample Interval Sb As Ba Cu Pb Hg2 3 ND 2.97 34.8 21.2 31.5 0.984 5 ND ND 23.6 9.25 15.2 ND

Sample Interval Sb As Ba Cu Pb Hg2 3 15 10.5 86.3 223 2,500 0.617 8 ND 1.39 79.4 21.2 14.4 ND

Sample Interval Sb As Ba Cu Pb Hg1.1 1.5 20.7 14.6 840 2,840 1,450 3.553.5 4 13.8 48.1 202 27,200 1,580 6.534.5 5.2 5.92 49.7 276 2,300 2,010 5.9512 13.1 70.2 57.6 152 1,590 31,200 3.5822 23 ND 1.83 16.5 7.13 9.19 ND

Sample Interval Sb As Ba Cu Pb Hg1.6 2 97.9 49.6 219 3,510 7,130 5.532 3 30.7 21.4 131 2,230 2,370 2.14 4.9 5.8 61.6 165 1,590 525 0.64

16.2 17.1 4.4 27.6 92.2 1,170 325 2220 21 ND ND 41.4 12.7 6.2 ND

Sample Interval Sb As Ba Cu Pb Hg2 3.5 ND 2.2 53.1 15.3 27.8 ND

Sample Interval Sb As Ba Cu Pb Hg3 4 11.3 2.6 85 299 11 0.658 10 7.67 10.2 242 1,450 1,120 4.12

14 16 4.76 28.8 1,740 267 814 0.6727 28 ND ND 58.3 14.3 9.24 ND

Sample Interval Sb As Ba Cu Pb Hg3.5 4 ND 1.39 37.1 8.44 10.6 ND4.7 4.11 2.65 3.48 264 74.8 2,450 5.4916 16.5 1.45 3.07 102 50.3 436 2.0729 29.5 ND 1.53 46.8 14.1 9.71 ND

Sample Interval Sb As Ba Cu Pb Hg3 4 1.24 2.59 55.9 29.3 65.4 ND7 8 ND 1.66 49.1 15.2 65.1 0.47

15 16 1.61 8.38 136 117 8.34 0.3224 26 ND ND 51 18.4 30.4 ND

Sample Interval Sb As Ba Cu Pb Hg3.5 4 2 6.24 41.7 999 186 ND5.5 6 57.1 6.06 830 2,150 65,000 3.51

15.5 16 46.8 5.75 332 1,330 599 3.0322 22.5 ND 1.47 53.6 25.7 13.1 0.34

Sample Interval Sb As Ba Cu Pb Hg3 4 ND 1.11 54.3 6.08 10.3 ND7 8 68.9 10.5 589 5,770 3,940 5.07

18 20 4.92 4.11 124 350 375 0.7527 29 ND 4.62 211 146 117 ND

Sample Interval Sb As Ba Cu Pb Hg3.5 4 ND 1.61 33.8 8.49 14.7 ND7.8 8 16.2 ND 23.9 777 49.6 ND

13.5 14 ND 1.2 37.9 14.8 11.8 ND23.5 24 ND 2.37 73 42.1 282 0.48

Sample Interval Sb As Ba Cu Pb Hg3.5 4 ND 2.33 42.9 10.7 12.7 ND9.5 10 141 72.6 595 1,990 10,100 4.31

13.5 14 12.4 7.21 142 5,880 423 0.8617.5 18 ND ND 41.8 10.5 15.6 ND

Sample Interval Sb As Ba Cu Pb Hg2.3 3.4 ND 1.31 23.1 46.6 20 1.043.4 3.7 2,600 1,040 217 8,670 46,100 0.89

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.46 56.5 9.81 11.1 ND6 8 0.98 7.01 94.6 88.6 31.3 0.33

14 16 2.62 6.15 73.1 292 189 0.2118 20 1.02 ND 10.1 8.01 30.7 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 1.59 64 26.1 6.92 ND6 8 4.99 2.4 5,350 10,800 817 0.44

16 18 ND 4 506 10,400 90.8 0.2718 20 ND ND 17.9 6.47 5.02 ND

Sample Interval Sb As Ba Cu Pb Hg0.5 1.5 ND 1.84 45.1 15 10.1 ND2 3 ND 2.71 50 11.2 10.4 ND4 5 69 21.9 36.4 92 5,050 ND6 7 1,100 294 39.3 1,040 51,200 ND8 9 51.2 15.8 216 1,140 5,860 74.8

10 11 38.1 7.45 93.9 445 1,270 0.2512 13 62 19.3 83.4 495 4,890 ND14 15 6.36 ND 38.2 43.3 23.5 ND16 17 11 2.72 69.5 275 553 0.218 19 ND ND 17.4 7.61 16.2 0.18 Sample Interval Sb As Ba Cu Pb Hg

16.5 17.5 ND ND 22.4 38.9 25.4 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 1.9 5.25 33 38.9 226 0.32

16 18 6.62 14.8 106 188 327 0.53

Sample Interval Sb As Ba Cu Pb Hg0 0.5 0.87 2.94 26.1 28.8 39.3 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 3.05 29.3 22.7 68.3 0.27

Sample Interval Sb As Ba Cu Pb Hg0 0.5 1.9 3.31 39.6 46.5 131 0.22

Sample Interval Sb As Ba Cu Pb Hg0 0.5 0.84 3.85 33.1 21.8 61.7 0.2

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 2.01 25.1 13.4 65.8 0.34

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 2.29 18.2 8.26 2.18 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.08 65.4 22.3 14.6 ND6 8 ND 7.99 69.2 22.5 7.84 0.2

16 18 ND 2.3 13.8 8.46 23.2 ND

Sample Interval Sb As Ba Cu Pb Hg22 23 ND 1.12 20.7 12.8 5.46 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 1.02 1.73 35 32 39.3 ND

10 12 ND 1.29 37.2 15.7 5.19 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 0.93 2.23 96.1 44.1 62.4 ND8 10 0.92 1.58 30.8 19 21.5 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 1.49 43.2 7.87 6.45 ND8 10 ND 1.32 29.7 9.91 4.85 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 3.1 54.1 12.8 25 ND2 4 7.5 5.12 101 228 1,120 0.28

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 10.6 59.3 15.6 52.6 ND2 4 84.6 5.41 60.2 288 7,160 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 39 68.2 17.6 150 ND2 4 4.04 7.9 219 1,140 713 0.34

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 28.6 63.8 21.8 117 ND2 4 21 11.4 164 804 2,360 2.09

Sample Interval Sb As Ba Cu Pb Hg0 0.5 13.8 16.3 65.4 150 184 0.572 4 1.65 3.13 58.6 144 188 0.23

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 4.1 66.3 29.6 51.4 0.122 4 ND 2.01 35 14.7 14.2 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 0.85 3.88 55.8 79.7 91.4 0.272 4 ND 1.83 28.5 15.5 13 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 0.8 5.02 50.4 89.4 118 0.62

Sample Interval Sb As Ba Cu Pb Hg0 0.5 2.84 4.97 43.9 137 662 0.19

Sample Interval Sb As Ba Cu Pb Hg0 0.5 1.42 3.39 48.5 150 291 0.142 4 1.34 2.32 46.3 65.3 142 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 4.16 85.2 35.1 133 ND6 8 ND 1.94 88.8 19.9 90.1 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 3.29 5.03 43.8 39.3 413 ND2 4 16.9 12.8 88.6 1,280 1,380 0.348 10 89.5 37.7 113 297 13,300 0.5

Sample Interval Sb As Ba Cu Pb Hg4.5 5.5 2.81 ND 19.5 22.3 427 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.07 33.7 11.1 3.55 ND6 8 ND 1.24 24.2 9.12 4.34 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.96 25.1 14.1 4.97 ND6 8 ND 3.3 36.7 14 6.68 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 1.61 2.96 30.8 14.1 75.9 ND6 8 ND 2.21 31.7 20.6 38.1 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 3.19 23 11.8 5.84 ND6 8 ND 1.6 25.7 10.2 3.73 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.04 19.6 8.92 3.72 ND6 8 ND 2.74 29.7 13.3 5.46 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.74 22.7 6.55 4.13 ND6 8 ND 2.54 33.3 12.1 5.01 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.35 54.9 7.47 4.16 ND6 8 ND 1.95 41.8 12.4 3.4 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 4 37.5 47.2 118 0.13

Sample Interval Sb As Ba Cu Pb Hg0 0.5 14.3 8.18 59.5 131 4,270 0.31

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 2.71 52.3 39.3 84.9 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 2.22 3.03 41.4 79.8 727 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 1.86 28.5 12.6 24.6 ND6 8 ND 2.46 31 16.4 30.9 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 2.75 4.94 71.4 72.9 295 0.286 8 ND 2.04 24.1 20.9 23.7 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 1.04 2.07 32 7.44 4.8 ND6 8 ND 1.45 22.4 9.13 3.33 ND

Sample Interval Sb As Ba Cu Pb Hg2 4 ND 2.04 24.2 17.2 95.5 ND6 8 ND 1.1 26.1 10.3 3.29 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 2.57 36.7 16.7 36.3 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 2.74 44.2 22.3 31.5 ND

Sample Interval Sb As Ba Cu Pb Hg0 0.5 ND 3.27 54.8 23.4 78.5 ND

5,350

506

SURFACE WATER SAMPLE LOCATIONSW-1