 Christie argued that the vetoed Senate Bill (S253) was premature because of an ongoing study to be completed in 2014 and would discriminate against other states, a violation of the Dormant Commerce Clause of the U.S. Constitution.Supporters of legislation have said that hydraulic fracturing waste from Pennsylvania makes its way into New Jersey for treatment, although how much is not clear.They also criticized Christie's legal analysis saying that the Office of Legislative Services has said that the bill is constitutional.