Sediment concentrations, normalized to organic carbon content, infrequently exceeded benchmarks for aquatic health, which was generally consistent with low rates of observed toxicity.
Between 1993 and 1997, 95% of urban streams exceeded benchmarks for aquatic life.
California Assessment of Student Performance and Progress CAASPPP) results released Tuesday by the state Department of Education show 87.75% of LCUSD met or exceeded English standards, while 85.12% of students met or exceeded benchmarks for math.
One strategy for encouraging quality improvement uses financial incentives to reward physicians and hospitals for meeting or exceeding benchmarks of quality.
Based on dietary data we collected for different age groups, potential exposure to environmental toxins through the food consumption route is a real and significant concern particularly for children in their preschool and primary school years, with a high proportion of this age group estimated to exceed benchmark levels for a number of contaminants with known effects on health.
A recent analysis of modeled national estimates suggests that ambient concentrations of HAPs exceed benchmark risk levels for cancer and non-cancer end points in many areas of the country (Caldwell et al. 1998; Woodruff et al. 1998, 2000).
Recent analysis of modeled national estimates suggests that ambient concentrations of hazardous air pollutants (HAPs) exceed benchmark risk levels for cancer and noncancer end points in many areas of the country (Apelberg et al. 2005; Morello-Frosch et al. 2000; Woodruff et al. 1998).
Table 2 presents the percent of preschoolers who exceed benchmark intakes (noncancer benchmarks in the 3rd to the last column, cancer benchmarks in the final column) adjusted for body weight (data for school-age children, parents, and older adults are included in Additional file 2: Table S2).
Of the 178 streams near farms or cities, 56% had one or more pesticides exceeding benchmarks.
However, according to our estimates, neither chlorpyrifos nor mercury intake exceeded benchmark values.
In fact, Clay Whitehead, co-CEO of PresenceLearning, tells us that students served by PresenceLearning therapists consistently exceed national benchmarks for clinical progress.
