See parts per billion.

Abbreviation for the US oilfield unit of concentration, pounds per barrel, more correctly written as lbm/bbl. One lbm/bbl is the equivalent of one pound of additive in 42 US gallons of mud. The " [..]

parts per billion, 1 part per 1 billion parts. Measure of the degree of impurities in solid bodies, liquids and gases.

Private Personal Business

Puss Puss Brotherhood - A fraternity that originated in Cupertino, Calif.

Poo Personal Best The art of timing how long it takes you to chuck a turkey into the loo whilst at work... Taking you hourly rate your employer pays, you can work out how much you got paid to release [..]

Princess Puddle Butt. Anyone who a) leaks, b) has ruined at least 4 pairs of frilly panties, and c) denies it.

Pussy Punk Bitch Used to insult someone, usually a guy, by calling him a weak It was used on The Boondocks

Noun - A nickname for the town Point Pleasant Beach which is in Ocean County, New Jersey. It's the Jersey Shore and thats the shit. It has the boardwalk, the sickest shops including Atomic CDS [..]

Parts per billion

PPB stands for parts per billion. PPB is a commonly used unit of concentration for very small values. One part per billion is one part of solute per one billion parts solvent.

Abbreviation for concentration unit, pounds-per-barrel (lbm/bbl).

chemistry - parts per billion, equivalent to µg/kg and usually applied to solid samples and liquid samples with high salinity or density, (see unit conversion factors)

Paper, print(ing) and bind(ing), used to describe one of the major areas of cost in manufacturing a book. cf

parts per billion

parts per billion

Parts per billion.

Parts per billion.

Parts per billion.

Parts per billion; This is a measure of the concentration of a compound. 1 ppb is equal to one microgram per kilogram. An example of this would be one ppb is equal to one second in thirty-two years.

A measure of dissolved substance given as a number of parts there are in a billion parts of solvent. It is numerically equivalent to micrograms per litre with respect to water.

parts per billion.

parts per billion

Parts per billion. The concentration of a pollutant in air in terms of volume ratio. A concentration of 1 ppb means that for every billion (109

Parts per billion. A unit for measuring the concentration of a gas or vapour in air, expressed as parts of the material per billion parts of air. Ppb is usually used to express measurements of extreme [..]

Parts per billion. ppm

Parts per billion

Parts per billion.

Abbreviation for parts per billion.

equals 0.001 ppm. (Parts per billion)

parts per billion

A unit of concentration, equivalent to 1 microgram per kilogram (_g/kg), or in aqueous solution, 1 _g per litre (_g/L).