PPB

PPB can stand for:

  • Production-possibility boundary, a graph that shows the different quantities of two goods that an economy could efficiently produce with limited productive resources
  • Party political broadcast, a type of political programming in the United Kingdom
  • parts per billion, a unit of concentration
  • Portland Police Bureau, a police agency for the city of Portland
  • Partido Progressista Brasileiro, former name of Progressive Party of Brazil
  • Pirate Party of Brazil
  • Pirate Party of Belgium
  • Pirate Party of Bulgaria
  • Pleuropulmonary blastoma, a type of lung cancer
  • Plasma protein binding, a factor contributing to the efficacy of a pharmacological agent

Other articles related to "ppb":

Benzene In Soft Drinks - Limit Standards in Drinking Water
... The following limits are given in parts per billion (ppb μg/kg) ... World Health Organization (WHO) 10 ppb (WHO notes that benzene should be avoided whenever technically feasible.) Republic of Korea (South Korea) 10 ppb Canada 5 ppb United States 5 ppb ...
Drinking Water Quality In The United States - Substances For Which There Are No Federal Standards - Perchlorate
... million people in 22 states at concentrations of at least 4 parts per billion (ppb) ... suggested that levels higher than 1 part per billion (ppb) pose a health risk ... In contrast, the Defense Department contended that perchlorate at 200 ppb has no lasting effect on humans ...
Drinking Water Quality In The United States - Substances For Which There Are Federal Standards - Arsenic
... Contaminant Level of 50 parts per billion (ppb) every day over a lifetime, there is a risk of cancer ... EPA reduced this level to 10 parts per billion (ppb) in 2002 and drinking water systems had to comply with the new regulation starting in 2006 ... that men and women who daily consume water containing 20 ppb of arsenic have about a 0.7% increased risk of developing bladder or lung cancer during their ...
Bulk Leach Extractable Gold - Analysis
... sample weights and solvent extraction enables low detection limits, as low as 0.1 ppb ... The digest is analyzed for Au (0.01 ppb), Cu (0.01 ppm), Ag (0.5 ppb), and depending on situations, for other elements ...
Greenhouse Gas - Natural and Anthropogenic Sources
... Abbreviations used in the two tables below ppm = parts-per-million ppb = parts-per-billion ppt = parts-per-trillion W/m2 = watts per square metre Current greenhouse gas concentrations Gas Pre-1750 ...