Washington State University College of Pharmacy

United States Transuranium & Uranium Registries

External - Historical Nomenclature

USTUR health physics database

 Index

Historically, various parameters have been used to quantify external exposures. The following tables summarize some of the nomenclature reported by the National Institute for Occupational Safety and Health (NIOSH) Office of Compensation Analysis and Support (OCAS) technical basis documents. They are not comprehensive, so please refer to the original technical basis documents to obtain a complete list of historical external dosimetry quantities:

NIOSH OCAS Dose Reconstruction Technical Documents

Table 1. Nomenclature and definitions for deep dose related quantities have varied significantly through the years.
Site Date Deep Dose (and related quantities)a
Hanford 1944-1950 WB = gamma
Hanford 1950-1957 WB = gamma + neutron
Hanford 1957-1958 WB = gamma + 35% x-ray + neutron
Hanford 1959-1971 WB (penetrating) = gamma + neutron + 35% x-ray
Hanford 1972-1994 WB = Pen + Nslow + Nfast
Hanford 1995-2003 WB = deep + Nth
Lawrence Livermore 1952-1963 WB = beta + gamma + neutron
Lawrence Livermore 1995-2003 WB = photon deep + neutron deep
Los Alamos 1943-1948 Deep DE = gamma exposure
Los Alamos 1951-1959 Deep DE = gamma exposure + Nfast dose
Los Alamos 1960-1979 Deep DE = gamma expsoure + Nth dose + Nfast dose
Los Alamos 1980-1997 Deep DE = pen + neutron
Los Alamos 1998-present Deep DE = total deep dose
Rocky Flats

 1951-1959

 Pen = Cddose + 0.5*OWdose + Ndose
Rocky Flats 5/1953-10/1970 Pen = Cddose
Rocky Flats 1963-1969 Pen = Cddose + Brdose + 0.35*OWdose + Ndose
Rocky Flats 1971-1982 Pen = gammadose + Ndose
Rocky Flats 1983-1989 Pen = photon deep + neutron
Rocky Flats 1990-2004 Hd = Hd,gamma + neutron
___________________________________________________________________________
a WB = whole body, Pen = penetrating, Nslow = slow neutrons, Nfast = fast neutrons, Nth = thermal neutrons, Cd = reading under cadmium window, Br = reading under brass window, OW = open window.

Table 2. Nomenclature and definitions for shallow dose related quantities have varied significantly through the years.
Site Date Shallow Dose (and related quantities)a
Hanford 1944-1947 Skin = OW + S
Hanford 1948-1957 Skin = beta + gamma + neutron
Hanford 1957-1958 Skin = beta + gamma + 65% x-ray + neutron
Hanford 1959-1971 Skin (derma) = beta + gamma + neutron + 100% x-ray
Hanford 1972-1994 Skin = Npen + Pen + Nslow + Nfast
Hanford 1995-2003 Skin = shallow + deep + Nth
Lawrence Livermore 1963-1985 Shallow (S) = Skin (SK) = gamma + neutron + beta
Lawrence Livermore 1995-2003 Skin = beta + photon deep + neutron
Los Alamos 1943-1948 Shallow DE = not measured
Los Alamos 1949-1950 Shallow DE = beta exposure + gamma exposure
Los Alamos 1951-1979 Shallow DE = beta exposure + Deep DE
Los Alamos 1980-1997 Shallow DE = Npen + Deep DE
Los Alamos 1998-present Shallow DE = total shallow dose
Rocky Flats 1951-1959 Skin = Cddose + OWdose + Ndose
Rocky Flats 5/1953-10/1970 Skin = Cddose + OWdose
Rocky Flats 1963-1969 Skin = Cddose + Brdose + OWdose + Ndose
Rocky Flats 1971-1982 Skin = Sdose + Ndose; if Skin<Pen, then Skin=Pen
Rocky Flats 1983-1989 Skin = photon/beta shallow + neutron
Rocky Flats 1990-2004 Hs = Hs,gamma + Hs,beta + neutron
Oak Ridge 1961-1967 DS (skin) = 2.5(OW-P)+C
Oak Ridge 1968-1973 DS (skin) = 0.8(W-C)*(W-P)/(P-C)
___________________________________________________________________________
a OW = open window, S = gamma, Npen = non-penetrating, Pen = penetrating, Nslow = slow neutrons, Nfast = fast neutrons, Nth = thermal neutrons, DE = dose equivalent, Cd = reading under cadmium window, Br = reading under brass window, W = open window, P = reading under plastic element, C = response under cadmium filter.

 

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