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  Bureau of Environmental Analysis, Restoration and Standards

Ground Water Quality Standards N.J.A.C. 7:9C: Interim Ground Water Quality Criteria Table

Interim Ground Water Quality Criteria
(in micrograms per liter (ug/L), which is equivalent to parts per billion (ppb))

Constituent

Fact Sheet

acenaphthylene
208-96-8
100*
10
100*
11/7/05
acetonitrile
75-05-8
100*
9
100*
2/11/08
benzo(g,h,i)perylene
191-24-2
100*
0.3
100*
11/7/05
caprolactam
105-60-2
3500
5000
5,000
2/11/08
1-chloro-1,1-difluoroethane
75-68-3
100,000
500
100,000

11/25/15

4-chloro-3-methylphenol
59-50-7
100*
20
100*
11/7/05
chloroethane
75-00-3
5*
0.5
5*
2/11/08
cobalt
7440-48-4
100
0.5
100
2/11/08
cresols (mixed isomers)

95-48-7
108-39-4
106-44-5

50
0.1
50

11/25/15

1,1-dichloro-1-fluoroethane
1717-00-6
500
30
500

11/25/15

dichlormid
37764-25-3
600
50
600
2/11/08
dimethyl phthalate
131-11-3
100*
10
100*
11/7/05
4,6-dinitro-o-cresol
534-52-1
0.7
1
1
2/11/08
1,4-dioxane
123-91-1
0.4
0.1
0.4

REVISED 11/25/15

diphenyl ether
101-84-8
100
10
100
2/11/08
2-ethyl-1-hexanol
104-76-7
200
0.5
200
2/11/08
n-heptane
142-82-5
100*
0.5
100*
2/11/08
hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX)
121-82-4
0.3
0.5
0.5
2/11/08
2-hexanone
591-78-6
300
1
300
2/11/08
metolachlor
51218-45-2
100
0.5
100
2/11/08
2-(2-methyl-4-chlorophenoxy) propionic acid (MCCP)
93-65-2
7
0.5
7
2/11/08
1-methylnaphthalene
90-12-0
5*
0.7
5*
11/25/15
2-methylnaphthalene
91-57-6
30
10
30
2/11/08
n-propanol
71-23-8
100*
40
100*
2/11/08
perchlorate
14797-73-0
5
2.7
5
3/26/07
perfluorononanoic acid (PFNA)
375-95-1
0.01
0.003
0.01
11/25/15
strontium
7440-24-6
1500
5
2,000

11/25/15

1,1,2-trichloro-1,2,2-trifluoroethane (Freon 113)

76-13-1
20,000
0.3
20,000

11/25/15

1,1,1-trifluoroethane
420-46-2
5000
60
5,000

11/25/15

1,2,4-trimethylbenzene
95-63-6
100*
0.08
100*

11/25/15

2,4,6-trinitrolouene (TNT)
118-96-7
1
0.3
1
2/11/08
tri-cresyl phosphate (mixed isomers)
1330-78-5
563-04-2
78-32-0
3
0.1
3

11/25/15

tri-ortho-cresyl phosphate
78-30-8
3
0.1
3

11/25/15

*Note: All interim criteria identified on this table are interim specific ground water quality criteria unless noted with an asterisk (*), which indicates that they are interim generic ground water quality criteria.

  • CASRN stands for Chemical Abstract Services Registry Number (Chemical Abstract Services Registry Web site at http://www.cas.org/content/chemical-substances/faqs#q1)
  • Interim Ground Water Quality Criteria means the designated levels or concentrations of constituents that, when exceeded, will prohibit or significantly impair a designated use of water. Interim specific criteria are derived using a standard method, for constituents not listed in Appendix Table 1. Interim generic criteria are applied in the absence of specific or interim specific criteria where sufficient information is available to determine applicability for carcinogenic and non-carcinogenic Synthetic Organic Chemicals based on Appendix Table 2. The technical basis for the derivation of an interim specific criterion, or the application of an interim generic criterion, are available on the Division of Science, Research and Environmental Health's Web site along with agency responses to public comments received regarding the criterion. The technical support documents for each criterion and PQL are available as links from the numbers in the table above.
  • Practical Quantitation Level (PQL) means the lowest concentration of a constituent that can be reliably achieved among laboratories within specified limits of precision and accuracy during routine laboratory operating conditions.
  • The higher of the PQL and interim ground water quality criterion is the numerical standard (constituent standard) to be applied for each constituent in Class II-A ground waters (see N.J.A.C. 7:9C-1.9(c)).
  • The effective date is the date that the higher of the interim ground water quality criterion and the PQL becomes effective as a new constituent standard. The effective date is usually the same date that the new interim criterion is posted on the Department's Web site.
  • Fact Sheet: this column links to a fact sheet summarizing the scientific basis for the constituent standard as derived from the applicable interim criterion and PQL, pursuant to N.J.A.C. 7:9C-1.7(c) and 1.9(c).
  • Technical Support documents: this column links to the technical support documents for the constituent standard, as well as agency response to public comments on any draft interim criteria and PQLs published since March 2014.

Appendix Table 1: Specific Ground Water Quality Criteria

Appendix Table 2: Interim Generic Ground Water Quality Criteria

Ground Water Quality Standards Home Page

Division of Science, Research and Environmental Health Home Page

The Department has developed an electronic compendium of standards for water and soil promulgated by the New Jersey Department of Environmental Protection. Included are Surface Water Quality Standards, N.J.A.C. 7:9B; Ground Water Quality Standards, N.J.A.C. 7:9C; Drinking Water Quality Standards, N.J.A.C. 7:10; and soil remediation standards from the Remediation Standards, N.J.A.C. 7:26D. The compendium includes the standards and information about the basis for the standards contained in the above referenced rules. The standards in these rules are used by the Department's regulatory programs to establish site-specific requirements in accordance with the appropriate regulations. Please refer to the official versions of these rules for the most accurate information about the standards currently in effect and how they are administered by the Department. Information on obtaining the official versions of Department rules is available on the Department's Web site at http://www.state.nj.us/dep/legal/get_rule.htm.

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