Per Scholas Per Scholas Per Scholas is a United States nonprofit that provides tuition-free technology training to unemployed or underemployed adults for careers as IT professionals. Per Scholas was founded in 1995 by Lewis Miller and John Stookey in the South Bronx, New York City. Today Per Scholas provides solutions in six cities across the country: Atlanta, GA; Cincinnati and Columbus, OH; Dallas, TX; the National Capital Region, and New York, NY. To date, Per Scholas has trained 6,000 individuals. Per Scholas offers a free IT training and workforce development program. Per Scholas offers a targeted range of tuition-free technology and professional
Air changes per hour the airflow efficiency of the enclosure and the methods used to ventilate it. The actual amount of air changed in a well mixed ventilation scenario will be 63.2% after 1 hour and 1 ACH. In order to achieve equilibrium pressure, the amount of air leaving the space and entering the space must be the same. formula_1 Where: Ventilation rates are often expressed as a volume rate per person (CFM per person, L/s per person). The conversion between air changes per hour and ventilation rate per person is as follows: formula_2 Where: Air change rates are often used as rules of