- The
curie (symbol Ci) is a non-SI unit of
radioactivity originally defined in 1910.
According to a
notice in
Nature at the time, it was to be
named in...
- give a
radioactive signature of
about forty picocuries per gram,
about ten
times the
amount of
picocuries per
liter of air that is
considered safe for...
- the SI
derived unit.
Another unit of
measurement common in the US is
picocuries per
liter (pCi/L); 1 pCi/L = 37 Bq/m3.
Typical domestic exposures average...
-
production process. Uranium-238
concentrations can
range from 7 to 100 pCi/g (
picocuries per gram) in
phosphate rock and from 1 to 67 pCi/g in
phosphate fertilizers...
- 264
picocuries per gram. For reference, the
Rocky Flats remediation standard is 50
picocuries per gram. A
second sample registered just 1.5
picocuries of...
- waste, it met
their standards to be used as a deicer. Specifically, 0.005
picocuries per
liter of
radium is
allowed for disposal, but
there is no
limit for...
-
Protection Agency. By mid-January, however, the
level had
risen to 20,000
picocuries per
liter (pCi/L), the
federal limit for
drinking water. The head of the...
-
shows levels less than 4
picocuries radon per
liter of air (160 Bq/m3), then no
action is necessary. For
levels of 20
picocuries radon per
liter of air...
- in
groundwater reaches millions of
picocuries per liter. (The
federal standard for
drinking water is 20
picocuries per
liter (0.74 Bq/L).)
Although radioactivity...
-
radioactivity of
surface soil due to
residual americium is only
about 0.01
picocuries per gram (0.37 mBq/g).
Atmospheric americium compounds are
poorly soluble...
