nanogram

Petacchi had a TUE that allowed him to have levels of salbutamol of 1000 nanograms (a nanogram is a billionth of a gram) per milliliter of urine.

The Explainer: Why clenbuterol? 2010

They are measured by a unit known as the nanogram, which is one billionth of a gram.

LSD and the Third Eye 1966

Petacchi had a TUE that allowed him to have levels of salbutamol of 1000 nanograms a nanogram is a billionth of a gram per milliliter of urine.

The Explainer: Why clenbuterol? 2011

In cases where DDT has been detected in air, it is associated with air masses coming from regions where DDT is still used or from the evaporated DDT from contaminated water or soil. p, p'-DDT and p, p'-DDE concentrations measured in air in the Great Lakes region in 1990 reached maximum levels of 0.035 and 0.119 nanograms (a nanogram is a billionth of a gram) of chemical per cubic meter of air (ng/m3), respectively.

Public Health Statement for DDT, DDE, and DDD 2008

Between 1978 and 1991, the estimated daily intake of PCBs in adults from dietary sources declined from about 1.9 nanograms (a nanogram is a billionth part of a gram) to less than 0.7 nanograms.

Public Health Statement for Polychlorinated Biphenyls (PCBs) 2008

KOBILINSKY: A nanogram is a billionth of a gram of DNA.

CNN Transcript Feb 16, 2008 2008

KOBILINSKY: A nanogram is a billionth of a gram of DNA.

CNN Transcript Aug 22, 2006 2006

KOBILINSKY: A nanogram is a billionth of a gram of DNA.

CNN Transcript Aug 21, 2006 2006

Another type as well called a nanogram strength product.

CNN Transcript Dec 10, 2003 2003

The levels are extremely low, less than a nanogram per gram of fish tissue (a nanogram is a billionth of a gram, and a gram is 1 / 28th of an ounce).

AGORAVOX - The Citizen Media 2009