It's not yet official, but we're hearing that developer Ralph Horowitz has voluntarily agreed to an Environmental Impact Study on the proposed Forever 21 distribution center on the now-demolished South Central farm. Readers will recall this move delays the process of building of a warehouse on the site--and by up to nine months or a year. The LA-based company is looking to build a 643,000-square-foot warehouse and distribution complex, but neighbors have cited concerns about traffic and noise. Last week, the LA Times reported that opponents forwarded "hundreds of e-mails to the city's planning department, saying the 2,400 daily truck trips expected to be generated by the project merit a lengthier review." [Curbed Inbox] UPDATE: LA Times story on the EIR/delay is up.