Pomona
United States. Army. Western Defense Command and Fourth Army. Final Report, Japanese Evacuation from the West Coast, 1942. Washington 1943, p. 165
Pomona “Assembly Center” was located on the Los Angeles County Fairgrounds (Fairplex) 30 miles east of downtown Los Angeles. From May 7 to August 24 1942, the camp held as many as 5,434 incarcerees. They came mostly from Los Angeles, San Francisco, and Santa Clara. They were transferred to Heart Mountain Relocation Center in Wyoming. The camp consisted of 309 barracks with only 72 square feet per person, well under the standard of 200 square feet per couple. There were also 8 mess halls / kitchens, 8 bathroom / shower / laundry facilities, and 36 other shower / latrine buildings.
Sources:
Confinement and Ethnicity: An Overview of World War 2 Japanese American Relocation Sites