My group at the US Environmental Protection Agency (EPA) is required by law to conduct audits of randomly selected facilities. I utilize Random.org for the selection process; the format of the query page is well suited to our needs. Until I found (stumbled upon via Google) your website, the recommended procedure for ‘random selection’ was to go down the list of items selecting every nth one; actually these items are industrial or municipal facilities which store/use more than a minimum quantity of a chemical from a list of 140 chemicals selected for their toxic/flammable and dispersable properties. I found this methodology a statistical embarrassment; Random.org made it acceptable, and defensible, such as when a facility responds ‘why me?’

—Alfred J. Baginski, Chemical Accident Prevention Program, Environmental Protection Agency

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