Sentence examples for chronic reference from inspiring English sources

For human exposures, the U.S. EPA has set glyphosate's daily chronic Reference Dose (cRfD) at 1.75 milligrams per kilogram of bodyweight (mg/kg bodyweight/day).

For years, glyphosate has been regarded as among the least chronically toxic herbicides for mammals, and indeed only three EPA-registered synthetic pesticides in current agricultural use have a higher chronic Reference Dose (the imidazolinone herbicides imazamox, imazethapyr, and imazapyr).

It is more appropriate to develop estimates of actual dietary exposure to pesticides and to compare such estimates to established toxicological criteria such as the Chronic Reference Dose (RfD).

The potential health risks posed by pesticide residues in foods can best be assessed by developing estimates of dietary exposure to pesticides and comparing exposure estimates to toxicological indicators of health concern such as the Chronic Reference Dose (RfD) or the analogous Acceptable Daily Intake (ADI).

In 35 of the 40 facilities, formaldehyde levels exceeded California's strict 8-hour and chronic reference exposure levels.

We used established unit risk estimates for carcinogens and/or chronic reference values for noncarcinogens to set thresholds for each category.

Increased risk of infant hospitalization for bronchiolitis was significantly associated with subchronic and chronic exposures to PM in Los Angeles (Karr et al. 2007), where exposures in the month prior to hospitalization (subchronic) and mean lifetime exposure (chronic) referenced to the case diagnosis date were assessed on the basis of data derived from the California Air Resources Board.

This study was designed to identify a chronic oral reference dose (RfD) for Co. Currently available data indicate that non-cancer health effects associated with Co exposure may include hematological, neurological, immunological, reproductive, cardiovascular, and endocrine responses.

Quantitative data are, however, insufficient to derive a subchronic or chronic inhalation reference dose.

A chronic oral reference dose of 3 μg/kg/day is given for ingestion of Cr VI) (U.S EPA 1998).

Dose estimates developed by the State of California from measured occupational exposures to 41 pesticides were compared to standard indices of acute toxicity (LD50) and chronic effects (reference dose).