Contains no more than 0.05 grams of lead per gallon and no more than 0.005 grams of phosphorus per gallon
Contains more than 0.05 grams of lead per gallon or more than 0.005 grams of phosphorus per gallon. The actual lead content of any given gallon may vary.
A complex mixture of relatively volatile hydrocarbons, with or without small quantities of additives, which have been blended to form a fuel suitable for use in spark-ignition engines
Opening in the hull of a drillship to allow for the passage of operational equipment
A market situation in which the product or service of several sellers is sought by only one buyer. A single buyer as opposed to a single seller. In the Israeli natural gas market, IEC is the monopsony buyer and is thus the anchor buyer for any natural as producer
