The Administrative Requirements For Remediation Of Contaminated Sites (“ARRCS”) were promulgated on November 4, 2009. These interim rules were issued pursuant to the Site Remediation Reform Act (“SRRA”) that was passed on May 7, 2009, which changes the way investigation and cleanups are conducted in New Jersey. These interim regulations include significant modifications to the New Jersey Department of Environmental Protection (“NJDEP”) Oversight Rules (replaced by ARRCS), and the Technical Requirements for Site Remediation (“Tech Regs”) that immediately impact existing and new cases.