Continued Biodegradation of Chloroethene Compounds in Ground Water at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington

Scientific Investigations Report 2006-5056

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006-5056

Table 3. Concentrations of selected volatile organic compounds in water samples collected by the U.S. Geological Survey from selected monitoring wells, piezometers, and passive-diffusion samplers at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington, 2004.

[Volatile organic compounds (VOCs); PCE, tetrachloroethene; TCE, trichloroethene; cis-DCE, cis-1,2-dichloroethene; trans-DCE, trans-1,2-dichloroethene; VC, vinyl chloride; TCA, 1,1,1-trichloroethane; 1,1-DCA, 1,1-dichloroethane; CA, chloroethane; 1,1-DCE, 1,1-dichloroethene; Total BTEX, sum of benzene, toluene, ethylbenzene, and xylene concentrations; Total CVOCs, sum of all chloroethenes and chloroethene concentrations shown in table. Methane data are presented for passive-diffusion samplers only. Abbreviations: µg/L, microgram per liter; <, actual value is less than value shown at various method reporting limits; nd, not detected; –, not analyzed]

Site No.	Date sampled	PCE (µg/L)	TCE (µg/L)	cis-DCE (µg/L)	trans-DCE (µg/L)	VC (µg/L)	Ethane (µg/L)	Ethene (µg/L)
Upgradient
MW1-3	06-15-04	–	–	–	–	–	<5.0	<5.0
MW1-20	06-15-04	–	–	–	–	–	<5.0	<5.0
MW1-33	06-15-04	–	–	–	–	–	<5.0	<5.0
Northern plantation
1MW-1	06-16-04	<20	<20	130	130	730	10	50
MW1-2	06-17-04	<50	12	630	13	110	5.9	1.1
MW1-15	06-15-04	<1.0	<1.0	.32	<1.0	.26	<5.0	<5.0
MW1-17	06-17-04	<1.0	<1.0	.68	.23	.48	2.4	<5.0
MW1-18	06-16-04	<1.0	<1.0	<1.0	<1.0	<1.0	19	18
MW1-41	06-17-04	<1.0	<1.0	.27	<1.0	.23	10	<100
P1-1	06-17-04	<1.0	<1.0	<1.0	<1.0	<1.0	29	8.6
P1-3	06-17-04	<1.0	<1.0	15	2.4	41	33	27
P1-4	06-17-04	<130	<130	2,300	29	370	7.1	29
P1-5	06-17-04	<10	<10	<10	<10	<10	23	<10
Southern plantation
MW1-4	06-18-04	<1,000	32,000	15,000	<1,000	1,600	32	200
MW1-5	06-18-04	<1.0	.26	.29	<1.0	.74	6.7	<50
MW1-6	06-22-04	<1.0	<1.0	<1.0	<1.0	<1.0	<100	<100
MW1-16	06-22-04	<10	<10	2.3	4.2	2.2	38	38
P1-6	06-18-04	<20	<20	220	11	570	7.0	210
P1-7	06-18-04	<3,300	37,000	61,000	<3,300	5,100	36	520
P1-8	06-18-04	<1.0	.26	2.7	<1.0	23	<50	4.2
P1-9	06-18-04	<1,300	50,000	23,000	<1,300	2,100	16	200
P1-10	06-18-04	<200	1,600	3,900	<200	890	12	46
Intermediate aquifer
1MW-4	06-17-04	<1.0	<1.0	<1.0	<1.0	<1.0	5.3	<50
MW1-25	06-16-04	–	–	–	–	–	4.7	15
MW1-28	06-16-04	–	–	–	–	–	3.8	26
MW1-38	06-16-04	–	–	–	–	–	<5.0	<5.0
MW1-39	06-16-04	–	–	–	–	–	<5.0	<5.0
Marsh (passive-diffusion samplers)
N-1	07-15-04	<1.0	<1.0	<1.0	<1.0	<1.0	.94	<5.0
N-2	07-15-04	<2.0	1.6	83	3.4	38	3.6	12
N-3	07-15-04	<1.0	<1.0	1.0	.72	<1.0	8.7	<5.0
N-4	07-15-04	<1.0	.23	22	1.8	2.4	68	<5.0
N-5	07-15-04	<1.0	<1.0	4.6	<1.0	.36	1.0	<5.0
N-6	07-15-04	<1.0	<1.0	20	.91	9.3	8.8	.66
N-7	07-15-04	<1.0	<1.0	1.7	<1.0	.40	1.3	<5.0
N-8	07-15-04	<1.0	<1.0	.78	<1.0	<1.0	<5.0	<5.0
C-1	07-15-04	<1.0	<1.0	<1.0	<1.0	<1.0	12	<50
S-4	07-15-04	<1,000	<1,000	23,000	<1,000	17,000	22	1,100
S-5	07-15-04	<50	16	730	<50	97	.87	12
S-6	07-15-04	<1.0	10	4.6	<1.0	<1.0	<5.0	<5.0

Site No.	Date sampled	Methane (mg/L)	TCA (µg/L)	1,1-DCA (µg/L)	CA (µg/L)	1,1-DCE (µg/L)	Total BTEX (µg/L)	Total CVOCs (µg/L)
Upgradient
MW1-3	06-15-04	–	–	–	–	–	–	–
MW1-20	06-15-04	–	–	–	–	–	–	–
MW1-33	06-15-04	–	–	–	–	–	–	–
Northern plantation
1MW-1	06-16-04	–	<20	11	<40	<20	nd	1,000
MW1-2	06-17-04	–	<50	<50	<100	<50	nd	770
MW1-15	06-15-04	–	<1.0	<1.0	.88	<1.0	30	1.5
MW1-17	06-17-04	–	<1.0	<1.0	<2.0	<1.0	.31	1.4
MW1-18	06-16-04	–	<1.0	<1.0	<2.0	<1.0	nd	nd
MW1-41	06-17-04	–	<1.0	<1.0	1.7	<1.0	nd	2.2
P1-1	06-17-04	–	<1.0	<1.0	<2.0	<1.0	4.4	nd
P1-3	06-17-04	–	<1.0	.38	6.9	<1.0	2.4	66
P1-4	06-17-04	–	<130	<130	<270	<130	nd	2,700
P1-5	06-17-04	–	<10	<10	23	<10	4.5	23
Southern plantation
MW1-4	06-18-04	–	<1,000	<1,000	<2,000	<1,000	nd	49,000
MW1-5	06-18-04	–	<1.0	.36	3	<1.0	0.92	4.6
MW1-6	06-22-04	–	<1.0	<1.0	1.7	<1.0	1.9	1.7
MW1-16	06-22-04	–	<10	590	290	<10	370	900
P1-6	06-18-04	–	<20	200	88	<20	nd	1,100
P1-7	06-18-04	–	<3,300	<3,300	<6,700	<3,300	nd	103,000
P1-8	06-18-04	–	<1.0	<1.0	<2.0	<1.0	nd	20
P1-9	06-18-04	–	<1,300	<1,300	<2,700	<1,300	nd	75,000
P1-10	06-18-04	–	<200	<200	<400	<200	nd	6,500
Intermediate aquifer
1MW-4	06-17-04	–	<1.0	<1.0	<2.0	<1.0	nd	nd
MW1-25	06-06-04	–	–	–	–	–	–	–
MW1-28	06-16-04	–	–	–	–	–	–	–
MW1-38	06-16-04	–	–	–	–	–	–	–
MW1-39	06-16-04	–	–	–	–	–	–	–
Marsh (passive-diffusion samplers)
N-1	07-15-04	53	<1.0	<1.0	<2.0	<1.0	nd	nd
N-2	07-15-04	290	<2.0	.76	<4.0	<2.0	nd	130
N-3	07-15-04	190	<1.0	<1.0	<2.0	<1.0	0.43	2
N-4	07-15-04	110	<1.0	<1.0	<2.0	<1.0	1.1	26
N-5	07-15-04	10	<1.0	<1.0	<2.0	<1.0	nd	5
N-6	07-15-04	180	<1.0	<1.0	<2.0	<1.0	.25	30
N-7	07-15-04	110	<1.0	<1.0	<2.0	<1.0	nd	2
N-8	07-15-04	1.9	<1.0	<1.0	<2.0	<1.0	nd	1
C-1	07-15-04	2,100	<1.0	<1.0	<2.0	<1.0	.71	nd
S-4	07-15-04	530	<1,000	<1,000	<2,000	<1,000	nd	40,000
S-5	07-15-04	43	<50	<50	<100	<50	nd	840
S-6	07-15-04	100	<1.0	<1.0	<2.0	<1.0	nd	15

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