table 1

Table 1. Trace metal concentrations in bed-sediment and composite-core samples from Wright Patman Lake near Texarkana

[All capitals indicates sediment-quality guidelines available (table 2); asterisk indicates screening level available (table 2); single underline indicates concentration greater than Environment Canada threshold effects level (TEL) only; double underline indicates concentration greater than consensus-based threshold effect concentration (TEC) only; bold italic indicates concentration greater than both TEL and TEC; overline indicates concentration greater than screening level; MRL, minimum reporting level; mg/kg, milligrams per kilogram; <, less than]

Table 1

¹No Environment Canada guidelines available.

Back to Contents | Back to Text | Table 2