An Update of Hydrologic Conditions and Distribution of Selected Constituents in Water, Snake River Plain Aquifer and Perched-Water Zones, Idaho National Laboratory, Idaho, Emphasis 2002

Scientific Investigations Report 2008–5089

Table 9. Trace elements disposed during various periods, number of wells sampled, and range of concentrations detected, Idaho National Laboratory, Idaho, 2002–05.

[Because the amounts of each constituent in wastewater discharged from INL facilities have not been compiled annually from monitoring data since 1998, no amounts are available for 1999–2005. Amount disposed, disposal period, and disposal facility from Bartholomay and others, 2000. Abbreviations: LRL, Laboratory Reporting Level; NR, none recorded; ND, not detected; INL, Idaho National Laboratory; INTEC, Idaho Nuclear Technology and Engineering Center; NWQL SH/LC, National Water Quality Laboratory Schedule/Lab Code; lb, pound; µg/L, microgram per liter. Symbol: < less than]

Constituent	Approximate amount disposed (lb)	Disposal period	Disposal facility	Number of wells sampled at the INL 2002–05	Range of concentrations (µg/L)	LRL(s) used 2002–05 (µg/L)	NWQL SH/LC
Aluminum	117	1995–98	INTEC	13	1.43–5.66	1.00,1.6 or 15	SH 1050
Antimony	NR	NR	INL	9	0.12–0.19	0.048, 0.05, 0.2,0.3	SH 1050
Arsenic	11	1971–98	INL	10	1.59–3.16	1.9, 2	SH 1281, LC 2160
Barium	4,740	1971–98	INL	13	14.9–70.5	0.050,0.2	SH 1050, SH 1281
Beryllium	<1	1971–98	INL	10	ND	0.06	SH 1050
Cadmium	22	1971–98	INL	10	0.04–028	0.037, 0.04	SH 1050, SH 1281
Cobalt	NR	NR	INL	10	0.04–0.31	0.04	SH 1050
Copper	81	1995–98	INTEC	10	0.23–9.7	0.4	SH 1050
Iron	752	1995–98	INTEC	9	0.18–1.0	10	SH 1254, LC 645
Lead	556	1971–98	INL	12	0.32–15.57	0.08	SH 1050, SH 1281
Lithium	NR	NR	INL	4	2.6–24.4	0.3, 0.5, 0.6	SH 1254
Manganese	44	1995–98	INTEC	13	0.19–6.2	0.1, 0.18, 0.2	SH 1050
Mercury	141	1971–98	INL	13	ND	0.011, 0.018, 0.020, 0.010	SH 1281, LC 2707
Molybdenum	NR	NR	INL	11	0.98–6.3	0.1, 0.17, 0.2	SH 1050
Nickel	NR	NR	INL	10	0.07–4.3	0.06	SH 1050
Selenium	9	1971–98	INL	4	1.18–2.46	2.0, 2.6	SH 1281, LC 2161
Silver	190	1971–98	INL	10	ND	1.0, 0.2	SH 1050, SH 1281
Strontium (stable)	NR	NR	INL	4	164.8–259.6	0.08, 0.2, 0.4	SH 1254
Thallium	NR	NR	INL	5	ND	0.041, .04	LC 2508
Uranium	NR	NR	INL	9	1.4–2.9	0.018-0.04	SH 1050
Vanadium	NR	NR	INL	2	4.6–4.8	0.21, 0.13, 0.14	LC 2509
Zinc	5,240	1971–98	INL	13	0.67–472.4	0.6	SH 1050

Constituent

Approximate amount
disposed
(lb)

Disposal
period

Disposal
facility

Number of wells
sampled at the INL
2002–05

Range of
concentrations
(µg/L)

LRL(s) used 2002–05
(µg/L)

NWQL SH/LC

Aluminum

117

1995–98

INTEC

1.43–5.66

1.00,1.6 or 15

SH 1050

Antimony

INL

0.12–0.19

0.048, 0.05, 0.2,0.3

SH 1050

Arsenic

1971–98

INL

1.59–3.16

1.9, 2

SH 1281, LC 2160

Barium

4,740

1971–98

INL

14.9–70.5

0.050,0.2

SH 1050, SH 1281

Beryllium

1971–98

INL

0.06

SH 1050

Cadmium

1971–98

INL

0.04–028

0.037, 0.04

SH 1050, SH 1281

Cobalt

INL

0.04–0.31

0.04

SH 1050

Copper

1995–98

INTEC

0.23–9.7

0.4

SH 1050

Iron

752

1995–98

INTEC

0.18–1.0

SH 1254, LC 645

Lead

556

1971–98

INL

0.32–15.57

0.08

SH 1050, SH 1281

Lithium

INL

2.6–24.4

0.3, 0.5, 0.6

SH 1254

Manganese

1995–98

INTEC

0.19–6.2

0.1, 0.18, 0.2

SH 1050

Mercury

141

1971–98

INL

0.011, 0.018, 0.020, 0.010

SH 1281, LC 2707

Molybdenum

INL

0.98–6.3

0.1, 0.17, 0.2

SH 1050

Nickel

INL

0.07–4.3

0.06

SH 1050

Selenium

1971–98

INL

1.18–2.46

2.0, 2.6

SH 1281, LC 2161

Silver

190

1971–98

INL

1.0, 0.2

SH 1050, SH 1281

Strontium (stable)

INL

164.8–259.6

0.08, 0.2, 0.4

SH 1254

Thallium

INL

0.041, .04

LC 2508

Uranium

INL

1.4–2.9

0.018-0.04

SH 1050

Vanadium

INL

4.6–4.8

0.21, 0.13, 0.14

LC 2509

Zinc

5,240

1971–98

INL

0.67–472.4

0.6

SH 1050

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