Metal pollution of streams and rivers is recognized as one of the major concerns for
management of freshwaters. Macroinvertebrate communities were established within 12 …

Two life stages of three federally-listed endangered fishes, Colorado squawfish
(Ptychocheilus lucius), bonytail (Gila elegans), and razorback sucker (Xyrauchen texanus) …

Acute toxicity and maximum acceptable toxicant concentration (MATC) values, derived
under laboratory conditions, provide useful and valid means for predicting environmental …

A unified model for Fe (II) speciation and oxidation by molecular oxygen is described. This
model combines Pitzer's concept of specific interaction with classic ion pair formation theory …

Iron (Fe) is one of the most biochemically active and widely distributed elements and one of
the most important elements for biota and human activities. Fe plays important roles in …

ENVIRONMENTAL EFFECTS OF MANGANESE AND PROPOSED FRESHWATER
GUIDELINES TO PROTECT AQUATIC LIFE IN BRITISH COLUMBIA Page 1 Ministry of …

Trace element weciation and aauatic toxicoloav Page 1 162 trends in analytical chemistry,
vol. 2, no. 7, 1983 . 14 15 16 17 18 19 20 Nakamura, H., Nishida, H., Takagi, M. and Ueno, K …

Scientists participating in the USGS Abandoned Minelands Initiative have quantified metal
concentrations and loadings from mining-related and natural background sources in the …

The use of metallic iron (Fe0) for environmental remediation is applied industrially with a
great degree of empiricism. Rules of thumb seem to be the only guide followed by the …

National water-quality criteria for the protection of aquatic life are based on toxicity tests,
often using organisms that are easy to culture in the laboratory. Species native to the Rocky …