Reference Dose glossary and government resources

Reference Dose : The RfD is a numerical estimate of a daily oral exposure to the human population, including sensitive subgroups such as children, that is not likely to cause harmful effects during a lifetime. RfDs are generally used for health effects that are thought to have a threshold or low dose limit for producing effects. [Environmental Protection Agency]

EPA Federal Facilities: Perchlorate
New EPA has established an official reference dose (RfD) of 0.0007

Perchlorate and Perchlorate Salts, IRIS, Environmental Protection ...
A. Reference Dose for Chronic Oral Exposure (RfD). Substance Name -- Perchlorate

EPA National News: EPA Sets Reference Dose for Perchlorate
...an official reference dose (RfD) of 0.0007 mg/kg/day of perchlorate. This level

reference dose
...reference dose The oral intake level of a chemical that is very unlikely to

Toxicology Glossary: R
...reference dose: Term used for an estimate (with uncertainty spanning perhaps

RAIS: <i>cis-</i> and <i>trans-</i> 1,2-Dichloroethylene (000156 ...
The Oral Chronic Reference Dose has a modifying factor of 1. ... The Oral

RAIS: Chromium (007440-47-3)
The Oral Chronic Reference Dose is 1.50E+00 (mg/kg-day). The Oral Chronic

DHS Environmental Toxicology fishmerc
...of safe intake rates using the reference dose and varying body weights.

ATSDR - PHA - Johnstown City Landfill, Johnstown, Fulton County ...
This dose was then compared to a risk reference dose (estimated daily

Abstract: FOURTH INTERCOMPARISON OF PERSONAL DOSEMETERS USED IN US ...
...to the reference dose equivalent as determined using a tissue-equivalent

Abbreviations, Acronyms, and Initialisms Used at ORNL and Y-12 ...
...reference dose – request for disposal – reverse-flow diverter. RfD reference

NJDEP SRWM - Regulations: Soil Remediation Standards ...
...noncarcinogenic effects using the Reference Dose with a hazard quotient of 1

FDA and EPA Development of a Joint Advisory for Methyl mercury ...
The reference dose builds in an uncertainty factor, not a "safety factor.

Chapter 173-340-708 WAC - The Washington State Legislature
...(a) The chronic reference dose/reference concentration and the developmental

Virginia DEQ: Voluntary Remediation Program Risk Assessment ...
...reference dose (mg/kg-day). RfDd. dermal reference dose (mg/kg-day). RfDi.

Mercury Timeline
...a reference dose of 0.1 µg/kg/day - five times lower than the FDA "action

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