New Jersey Administrative Code
Title 7 - ENVIRONMENTAL PROTECTION
Chapter 26E - TECHNICAL REQUIREMENTS FOR SITE REMEDIATION
Subchapter 3 - PRELIMINARY ASSESSMENT AND SITE INVESTIGATION
Section 7:26E-3.6 - Site investigation-surface water and sediment

Universal Citation: NJ Admin Code 7:26E-3.6

Current through Register Vol. 56, No. 18, September 16, 2024

(a) If there is a potential that surface water has been impacted by the site, the person responsible for conducting the remediation who is subject to 7:26E-3.3(b) shall determine if there is any evidence that contamination from the site has reached the surface water.

(b) If there is evidence that contamination from the site has reached the surface water, then the person responsible for conducting the remediation shall conduct a site investigation of surface water and sediment to determine if there is any exceedance of any aquatic or human health based surface water quality standard, ecological screening criterion, or residential direct contact soil remediation standard and shall:

1. Collect a sufficient number of surface water and sediment samples to evaluate for the presence of contamination, biasing the sampling to the suspected locations of greatest contamination, both horizontally and vertically;

2. Use appropriate sampling methods; and

3. Use appropriate analytical methods.

(c) The person responsible for conducting the remediation shall evaluate the results of the surface water and sediment site investigation as follows:

1. If any aquatic surface water quality standard or ecological screening criterion for surface water is exceeded, conduct a remedial investigation of ecological receptors pursuant to 7:26E-4.8;

2. If any human health based surface water quality standard is exceeded, conduct a remedial investigation of surface water pursuant to 7:26E-4.4;

3. If any ecological screening criterion for sediments is exceeded, conduct a remedial investigation of ecological receptors pursuant to 7:26E-4.8; and

4. If there is evidence of human exposure to the sediment, compare the sediment sample results to the residential direct contact soil remediation standard. If any residential direct contact soil remediation standard is exceeded, the person responsible for conducting the remediation shall conduct a remedial investigation of soil pursuant to 7:26E-4.2.

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