ISSN:
1745-6584
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Energy, Environment Protection, Nuclear Power Engineering
,
Geosciences
Notes:
This paper is the first paper of a two-part series concerned with assessing the potential for organic chemical leaching to a ground-water skimming tunnel in the Pearl Harbor Basin, Oahu, Hawaii as a direct result of a proposed urban development. The objective of our simulation-based assessment was to provide insight into the potential for chemicals, that may be introduced to the recharge areas of the Waiawa Shaft as a result of the proposed developments, to subsequently leach through the unsaturated zone to ground water. In this paper field and laboratory results are presented for experiments designed to support the modeling effort reported in the second paper of this series. The chemical leaching experiments were conducted at two field locations. The chemicals which were applied and then monitored for their downward movement in the near-surface unsaturated zone are bromide, chlorpyrifos and fenamiphos. We found (1) good mass balance for bromide at both sites, (2) limited mobility of chlorpyrifos and fenamiphos at the field plots, and (3) good agreement between field and laboratory measured degradation rates.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1745-6584.1994.tb00938.x
