Here's the most important quote from the press release, a quote that again proves Menachem Lubinsky, et al, wrong:
…Hekhsher Tzedek is non-denominational and intends to coexist with other rabbinic certifications of kashrut, typically administered by Orthodox rabbis. The Hekhsher Tzedek commission envisions its certification appearing alongside such established kashrut symbols as OU, OK, Star-K, KSA and Kof-K, to name a few.
The prospect of such double certification is made possible by the fact Hekhsher Tzedek has nothing to do with methods of slaughter or other conditions that might make a food technically kosher. Instead, the focus of the initiative is on such matters as employee health, safety and training; wages & benefits; the environmental impact of the company; corporate transparency and product development, among others.…
The guidelines follow in PDF format:
Hekhsher Tzedek Policy Statement and Working Guidelines_PUBLIC VERSION_draft2 (2)-1.pdf