LETTER REGARDING CALCULATION OF CONTAMINANT …MASS OF CHEMICAL ADSORBED TO SOIL, LIS . Contour...
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I I . I I Olin cHEMICALs P.O. BOX 248, LOWER RIVER ROAD, CHARLESTON, TN 37310 Phone: (615) 338·4000 January 7, 1991 Lynne Fratus Rhode Island Superfund Section U. S. Environmental Protection Agency Region I John F. Kennedy Federal Building (Mail Code HSV CAN3) Boston, Massachusetts 02203-2211 Re: Western Sand and Gravel Site . Calculation of Contaminant Mass in Aquifer Dear Ms. Fratus: With reference to page 93 of the October 1990 Western Sand and Gravel Feasibility Study, please note that the 7000 pounds per year maximum contaminant extraction rate was developed in the context of a conservative design for the treatment system. It was calculated assuming that the maximum concentrations found at any location in the aquifer would be found in the extracted water at a rate of 150 gallons/minute (the total maximum was approximately 10 mg/1): 10 mg x 150 gallons x lbs x 3.785 I x 60 min X 24 hr x 365 day .. -7000 lbs/year -1- minute 454,000 mg gallon day yr With respect to determining the actual contaminant mass currently in the aquifer (i.e., the maximum amount available for extraction) a more appropriate calculation yields between 500 pounds and 2100 pounds mml.tnm organics (rate of extraction would vary but would be on the order of 35 to 150 lbs/year average or 5 to 20 gallons/year average assuming 14 years of 'extraction). These calculations are attached. Please call me with any questions. Sincerely, OLIN CORPORATION Robert D. McCaleb Sr. Environmental Project Specialist jmm 400 cc: W. Angell D. L. Cummings .· S. R. Helbig OLIN CORPORATION
Transcript of LETTER REGARDING CALCULATION OF CONTAMINANT …MASS OF CHEMICAL ADSORBED TO SOIL, LIS . Contour...
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Olin cHEMICALs PO BOX 248 LOWER RIVER ROAD CHARLESTON TN 37310
Phone (615) 338middot4000
January 7 1991
Lynne Fratus Rhode Island Superfund Section U S Environmental Protection Agency Region I John F Kennedy Federal Building (Mail Code HSV CAN3) Boston Massachusetts 02203-2211
Re Western Sand and Gravel Site Calculation of Contaminant Mass in Aquifer
Dear Ms Fratus
With reference to page 93 of the October 1990 Western Sand and Gravel Feasibility Study please note that the 7000 pounds per year maximum contaminant extraction rate was developed in the context of a conservative design for the treatment system It was calculated assuming that the maximum concentrations found at any location in the aquifer would be found in the extracted water at a rate of 150 gallonsminute (the total maximum was approximately 10 mg1)
10 mg x 150 gallons x lbs x 3785 I x 60 min X 24 hr x 365 day -7000 lbsyear-1- minute 454000 mg gallon ~ day yr
With respect to determining the actual contaminant mass currently in the aquifer (ie the maximum amount available for extraction) a more appropriate calculation yields between 500 pounds and 2100 pounds mmltnm organics (rate of extraction would vary but would be on the order of 35 to 150 lbsyear average or 5 to 20 gallonsyear average assuming 14 years of extraction) These calculations are attached
Please call me with any questions
Sincerely
OLIN CORPORATION
~ Robert D McCaleb Sr Environmental Project Specialist
jmm 400 cc W Angell
D L Cummings middot S R Helbig
OLIN CORPORATION
I I I I
VOLUME OF AQUIFER IN THE PLUME AREA ft3
Contour interv111 ppb 1 to 10 10 to 100 100 to 1000
COIIIpOUId
Trichlor01thene 75000000 35000000 1000000 12-DichlorOithene 54000000 43000000 8000000 111-TrlchlorOithane 11000000 15000000 2000000
Tetrachlor01thene 27000000 9000000 0 Methylene chloride 2000000 1000000 1000000 11-DichlorOithane 30000000 11000000 2000000 Xylene 17000000 11000000 4000000 Tolune 20000000 10000000 6000000 Ethylbenzene 12000000 4000000 1000000 Vinyl chloride 30000000 12000000 1000000 Chlorobenzene 28000000 11000000 2000000 Benzene 31000000 6000000 0 Chlorofolll 11000000 12000000 2000000 11-Dich4or01thene 25000000 1000000 0 Acetone 1000000 1000000 1000000 11 2middotTrichlor01thane 1000000 0 0 12-DichlorOithane 7000000 0 0 2-lutanone 1000000 1000000 1000000 4-Methyi-2-Pentanone 1000000 1000000 1000000
A111111 100 ft aquifer depth 1r11 lllltaurtd fro GRI contour IIIPI
Pill 1 of 3
gt1000
0 0 0 0 0 0
1000000 1000000
0 0 0 0 0 0
1000000 0 0 0 0
SUM
27750000 26250000 7000000 9000000 1000000
10750000 8250000 9250000 4250000
10750000 10250000 9250000 6250000 6500000 1000000 250000
1750000 750000 750000
I I I I
MASS OF CHEMICAL IN GROUNDWATER lbl
Contour fntervele ppb 1 to 10 10 to 100 100 to 1000 gt1000 Aeeled Wlter cone C11 ug1 5 50 500 2000 COIIpCUid
Trlchloroethene 585 2731 780 000 4097 1 2-Dfchloroethene 421 33 55 6243 000 10019
middot1 1 1-Trlchloroethene 086 1170 1561 000 2817 Tetrechloroethtne 211 702 000 000 913 Methylene chloride 016 078 780 000 874 1 1-Dichloroethene 234 858 1561 000 2653 Xylene 133 858 3121 3121 7234 Toluene 156 780 4682 3121 8740 Ethylbenzene 094 312 780 000 1186 VInyl chloride 234 936 780 000 1951 Ch lorobenzene 218 858 1561 000 2638 Benzene 242 468 000 000 710 Chlorofor11 086 936 1561 000 2583 1 1middotDichloroethene 195 078 000 000 273 Acetone 008 078 780 31 z1 3987 112-Trlchloroethene 008 000 000 000 008 12-Dichloroethene 055 000 000 000 055 2-Butenone 008 078 780 000 866 4middotMithylmiddot2middotPentenone 008 078 780 000 866
TOTAL BY CONTOUR 2996 14358 25751 9364 52469
TOTAL MASI 52469 LIS IN GROUNDWATER
Mate lbl bull (Aquifer volue ft3)(n)(CII ug1)(28316 lft3)[lb(453591000000ug)]
pqe 2 of 3
0
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~middot I I
MASS OF CHEMICAL ADSORBED TO SOIL LIS
Contour lntervela ppb 1 to 10 10 to 100 100 to 1000 gt1000 SUM AaaUMid weter cone ug1 5 50 500 2000 COIIIpOWid Kd mlg
Trlchloroeth- 1327 6194 1770 000 9291 0378 12middotDichloroethane 448 3563 6630 000 10641 o1n 111middotTrlchloroeth- 235 3202 4270 000 no1 0456 Tetrechloroeth- 1380 4601 000 000 5982 1092 Methyl- chloride 002 012 124 000 138 0026 11middotDichloroeth- 126 464 843 000 1433 0090 ICy lane 573 3708 13484 13484 31249 0720 Toluent 843 4214 25283 16855 47194 0900 Ethylbenz- 1854 6180 15451 000 23485 3300 VInyl chloride 240 961 801 000 2002 0171 Chlorobenzene 1298 5099 9270 000 15667 0990 Benzane 361 699 000 000 1061 0249 Chlorofora 048 523 871 000 1441 0093 1 1middotDichloroeth- 228 091 000 000 320 0195 Acet- 000 003 031 124 158 0007 11 2middotTrlchloroeth- 008 000 000 000 008 0168 12middotDichloroeth- 014 000 000 000 014 0042 2middotButenone 000 000 000 000 000 4middotMethylmiddot2middotPentenone 001 006 063 000 070 0014
TOTAL BY CONTOUR 8987 39522 78889 30463 157861
TOTAL MAll 157861 LIS ADSORBED TO SOIL
Mlaa lbl bull (Cwugl)(Kdbulllg)(Aqulfer volue ft3)(p 81bull1gtlt283161ft3)[lb(453591000000ug)J
middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot-middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot
1579 TOTAL LIS ADSORIED TO SOIL
525 TOTAL LIS IN GROUNDWATER
TOTAL MASS 2103 TOTAL LIS IN AQUIFER
page 3 of 3
- barcode 556673
- barcodetext SDMS Doc ID 556673
I I I I
VOLUME OF AQUIFER IN THE PLUME AREA ft3
Contour interv111 ppb 1 to 10 10 to 100 100 to 1000
COIIIpOUId
Trichlor01thene 75000000 35000000 1000000 12-DichlorOithene 54000000 43000000 8000000 111-TrlchlorOithane 11000000 15000000 2000000
Tetrachlor01thene 27000000 9000000 0 Methylene chloride 2000000 1000000 1000000 11-DichlorOithane 30000000 11000000 2000000 Xylene 17000000 11000000 4000000 Tolune 20000000 10000000 6000000 Ethylbenzene 12000000 4000000 1000000 Vinyl chloride 30000000 12000000 1000000 Chlorobenzene 28000000 11000000 2000000 Benzene 31000000 6000000 0 Chlorofolll 11000000 12000000 2000000 11-Dich4or01thene 25000000 1000000 0 Acetone 1000000 1000000 1000000 11 2middotTrichlor01thane 1000000 0 0 12-DichlorOithane 7000000 0 0 2-lutanone 1000000 1000000 1000000 4-Methyi-2-Pentanone 1000000 1000000 1000000
A111111 100 ft aquifer depth 1r11 lllltaurtd fro GRI contour IIIPI
Pill 1 of 3
gt1000
0 0 0 0 0 0
1000000 1000000
0 0 0 0 0 0
1000000 0 0 0 0
SUM
27750000 26250000 7000000 9000000 1000000
10750000 8250000 9250000 4250000
10750000 10250000 9250000 6250000 6500000 1000000 250000
1750000 750000 750000
I I I I
MASS OF CHEMICAL IN GROUNDWATER lbl
Contour fntervele ppb 1 to 10 10 to 100 100 to 1000 gt1000 Aeeled Wlter cone C11 ug1 5 50 500 2000 COIIpCUid
Trlchloroethene 585 2731 780 000 4097 1 2-Dfchloroethene 421 33 55 6243 000 10019
middot1 1 1-Trlchloroethene 086 1170 1561 000 2817 Tetrechloroethtne 211 702 000 000 913 Methylene chloride 016 078 780 000 874 1 1-Dichloroethene 234 858 1561 000 2653 Xylene 133 858 3121 3121 7234 Toluene 156 780 4682 3121 8740 Ethylbenzene 094 312 780 000 1186 VInyl chloride 234 936 780 000 1951 Ch lorobenzene 218 858 1561 000 2638 Benzene 242 468 000 000 710 Chlorofor11 086 936 1561 000 2583 1 1middotDichloroethene 195 078 000 000 273 Acetone 008 078 780 31 z1 3987 112-Trlchloroethene 008 000 000 000 008 12-Dichloroethene 055 000 000 000 055 2-Butenone 008 078 780 000 866 4middotMithylmiddot2middotPentenone 008 078 780 000 866
TOTAL BY CONTOUR 2996 14358 25751 9364 52469
TOTAL MASI 52469 LIS IN GROUNDWATER
Mate lbl bull (Aquifer volue ft3)(n)(CII ug1)(28316 lft3)[lb(453591000000ug)]
pqe 2 of 3
0
I I
~middot I I
MASS OF CHEMICAL ADSORBED TO SOIL LIS
Contour lntervela ppb 1 to 10 10 to 100 100 to 1000 gt1000 SUM AaaUMid weter cone ug1 5 50 500 2000 COIIIpOWid Kd mlg
Trlchloroeth- 1327 6194 1770 000 9291 0378 12middotDichloroethane 448 3563 6630 000 10641 o1n 111middotTrlchloroeth- 235 3202 4270 000 no1 0456 Tetrechloroeth- 1380 4601 000 000 5982 1092 Methyl- chloride 002 012 124 000 138 0026 11middotDichloroeth- 126 464 843 000 1433 0090 ICy lane 573 3708 13484 13484 31249 0720 Toluent 843 4214 25283 16855 47194 0900 Ethylbenz- 1854 6180 15451 000 23485 3300 VInyl chloride 240 961 801 000 2002 0171 Chlorobenzene 1298 5099 9270 000 15667 0990 Benzane 361 699 000 000 1061 0249 Chlorofora 048 523 871 000 1441 0093 1 1middotDichloroeth- 228 091 000 000 320 0195 Acet- 000 003 031 124 158 0007 11 2middotTrlchloroeth- 008 000 000 000 008 0168 12middotDichloroeth- 014 000 000 000 014 0042 2middotButenone 000 000 000 000 000 4middotMethylmiddot2middotPentenone 001 006 063 000 070 0014
TOTAL BY CONTOUR 8987 39522 78889 30463 157861
TOTAL MAll 157861 LIS ADSORBED TO SOIL
Mlaa lbl bull (Cwugl)(Kdbulllg)(Aqulfer volue ft3)(p 81bull1gtlt283161ft3)[lb(453591000000ug)J
middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot-middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot
1579 TOTAL LIS ADSORIED TO SOIL
525 TOTAL LIS IN GROUNDWATER
TOTAL MASS 2103 TOTAL LIS IN AQUIFER
page 3 of 3
- barcode 556673
- barcodetext SDMS Doc ID 556673
I I I I
MASS OF CHEMICAL IN GROUNDWATER lbl
Contour fntervele ppb 1 to 10 10 to 100 100 to 1000 gt1000 Aeeled Wlter cone C11 ug1 5 50 500 2000 COIIpCUid
Trlchloroethene 585 2731 780 000 4097 1 2-Dfchloroethene 421 33 55 6243 000 10019
middot1 1 1-Trlchloroethene 086 1170 1561 000 2817 Tetrechloroethtne 211 702 000 000 913 Methylene chloride 016 078 780 000 874 1 1-Dichloroethene 234 858 1561 000 2653 Xylene 133 858 3121 3121 7234 Toluene 156 780 4682 3121 8740 Ethylbenzene 094 312 780 000 1186 VInyl chloride 234 936 780 000 1951 Ch lorobenzene 218 858 1561 000 2638 Benzene 242 468 000 000 710 Chlorofor11 086 936 1561 000 2583 1 1middotDichloroethene 195 078 000 000 273 Acetone 008 078 780 31 z1 3987 112-Trlchloroethene 008 000 000 000 008 12-Dichloroethene 055 000 000 000 055 2-Butenone 008 078 780 000 866 4middotMithylmiddot2middotPentenone 008 078 780 000 866
TOTAL BY CONTOUR 2996 14358 25751 9364 52469
TOTAL MASI 52469 LIS IN GROUNDWATER
Mate lbl bull (Aquifer volue ft3)(n)(CII ug1)(28316 lft3)[lb(453591000000ug)]
pqe 2 of 3
0
I I
~middot I I
MASS OF CHEMICAL ADSORBED TO SOIL LIS
Contour lntervela ppb 1 to 10 10 to 100 100 to 1000 gt1000 SUM AaaUMid weter cone ug1 5 50 500 2000 COIIIpOWid Kd mlg
Trlchloroeth- 1327 6194 1770 000 9291 0378 12middotDichloroethane 448 3563 6630 000 10641 o1n 111middotTrlchloroeth- 235 3202 4270 000 no1 0456 Tetrechloroeth- 1380 4601 000 000 5982 1092 Methyl- chloride 002 012 124 000 138 0026 11middotDichloroeth- 126 464 843 000 1433 0090 ICy lane 573 3708 13484 13484 31249 0720 Toluent 843 4214 25283 16855 47194 0900 Ethylbenz- 1854 6180 15451 000 23485 3300 VInyl chloride 240 961 801 000 2002 0171 Chlorobenzene 1298 5099 9270 000 15667 0990 Benzane 361 699 000 000 1061 0249 Chlorofora 048 523 871 000 1441 0093 1 1middotDichloroeth- 228 091 000 000 320 0195 Acet- 000 003 031 124 158 0007 11 2middotTrlchloroeth- 008 000 000 000 008 0168 12middotDichloroeth- 014 000 000 000 014 0042 2middotButenone 000 000 000 000 000 4middotMethylmiddot2middotPentenone 001 006 063 000 070 0014
TOTAL BY CONTOUR 8987 39522 78889 30463 157861
TOTAL MAll 157861 LIS ADSORBED TO SOIL
Mlaa lbl bull (Cwugl)(Kdbulllg)(Aqulfer volue ft3)(p 81bull1gtlt283161ft3)[lb(453591000000ug)J
middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot-middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot
1579 TOTAL LIS ADSORIED TO SOIL
525 TOTAL LIS IN GROUNDWATER
TOTAL MASS 2103 TOTAL LIS IN AQUIFER
page 3 of 3
- barcode 556673
- barcodetext SDMS Doc ID 556673
0
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~middot I I
MASS OF CHEMICAL ADSORBED TO SOIL LIS
Contour lntervela ppb 1 to 10 10 to 100 100 to 1000 gt1000 SUM AaaUMid weter cone ug1 5 50 500 2000 COIIIpOWid Kd mlg
Trlchloroeth- 1327 6194 1770 000 9291 0378 12middotDichloroethane 448 3563 6630 000 10641 o1n 111middotTrlchloroeth- 235 3202 4270 000 no1 0456 Tetrechloroeth- 1380 4601 000 000 5982 1092 Methyl- chloride 002 012 124 000 138 0026 11middotDichloroeth- 126 464 843 000 1433 0090 ICy lane 573 3708 13484 13484 31249 0720 Toluent 843 4214 25283 16855 47194 0900 Ethylbenz- 1854 6180 15451 000 23485 3300 VInyl chloride 240 961 801 000 2002 0171 Chlorobenzene 1298 5099 9270 000 15667 0990 Benzane 361 699 000 000 1061 0249 Chlorofora 048 523 871 000 1441 0093 1 1middotDichloroeth- 228 091 000 000 320 0195 Acet- 000 003 031 124 158 0007 11 2middotTrlchloroeth- 008 000 000 000 008 0168 12middotDichloroeth- 014 000 000 000 014 0042 2middotButenone 000 000 000 000 000 4middotMethylmiddot2middotPentenone 001 006 063 000 070 0014
TOTAL BY CONTOUR 8987 39522 78889 30463 157861
TOTAL MAll 157861 LIS ADSORBED TO SOIL
Mlaa lbl bull (Cwugl)(Kdbulllg)(Aqulfer volue ft3)(p 81bull1gtlt283161ft3)[lb(453591000000ug)J
middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot-middotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddotmiddot
1579 TOTAL LIS ADSORIED TO SOIL
525 TOTAL LIS IN GROUNDWATER
TOTAL MASS 2103 TOTAL LIS IN AQUIFER
page 3 of 3
- barcode 556673
- barcodetext SDMS Doc ID 556673
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