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Federal, New Jersey Plan For Strict Mercury Standards Draws Industry Fire

A landmark plan by New Jersey officials to develop stringent water quality criteria for protecting wildlife from mercury is drawing criticism from wastewater treatment and petroleum industry officials, who fear its development sets a dangerous precedent that other states will adopt.

The proposed criteria is the first of its kind outside the Great Lakes, though the proposal's 0.53 parts per trillion (ppt) is more than twice as stringent as the current most stringent level set in EPA's Great Lakes Water Quality Initiative (GLI) of 1.3 ppt.

Environmentalists say they are not familiar with the New Jersey proposal, but one environmentalist says that .53 ppt "is certainly the lowest [level] I've ever heard of."

However, industry officials are strongly criticizing the proposed criteria, charging they are unlawful, overly stringent, unnecessary, not based on sound science and will result in significant economic impacts without reciprocal overall environmental benefits.

The New Jersey Petroleum Council (NJPC) also charges in its Feb. 14 comments that the criteria will generate more mercury loading to the environment than would be removed because the technologies necessary for complying with the criteria require such high levels of energy that they would boost mercury emissions.

The New Jersey Department of Environmental Protection's (DEP) new proposed criteria, which also include levels for PCBs and DDT, seek to replace water quality standards adopted by the state in 1993. While those standards won EPA approval, the Fish and Wildlife Service (FWS) rejected them, charging they failed to protect a number of threatened and endangered species, including bald eagle, peregrine falcon and dwarf wedgemussel.

An interagency panel, consisting of EPA, FWS and DEP, was then formed to develop criteria for PCBs, DDT and mercury to protect these threatened and endangered species.

The interagency panel used methodologies first developed by EPA for use in developing water quality criteria for pollutants in the Great Lakes, ultimately arriving at criteria that are more stringent than those developed by the GLI. DEP explains the difference in protective levels by pointing out that the New Jersey criteria factored in the physical characteristics of the peregrine falcon, and its "ecological niche as an upper trophic level predator" which combine to increase the falcon's susceptibility to bioaccumulative toxics.

But NJPC argues that use of these methodologies is unlawful because Congress, as part of the Clean Water Act (CWA), only authorized EPA to develop such wildlife criteria for the Great Lakes. In fact, they note that federal courts have limited efforts to extend the GLI beyond the Great Lakes Basin and point out that EPA has so far failed to follow through on a 1998 notice seeking comment on plans to develop nation-wide wildlife criteria.

NJPC charges that EPA and FWS unlawfully relied on the Endangered Species Act (ESA) to justify the need for wildlife criteria. "Neither the CWA nor the ESA authorize such federal intervention into state action," their Feb. 14 comments say, noting that federal courts have delineated state and federal roles under both statutes and EPA may not condition state programs on ESA requirements. FWS should be held to the same standard, they say.

The group also says that setting stringent new wildlife criteria for threatened and endangered species at a time when those populations are increasing sets a dangerous precedent.

The Association of Metropolitan Sewerage Agencies' (AMSA) Feb. 14 comments concur with NJPC's conclusion that treating discharges down to a level of .53 ppt is virtually impossible and would be cost-prohibitive. In its comments, AMSA urges DEP to conduct an analysis of the attainability of the criteria in New Jersey waters as well as an analysis of the costs to regulated dischargers associated with complying with effluent limitations based on the criteria.

One publicly owned treatment works source says that dischargers nationwide are concerned about the mercury criterion, because there is a fear that other states may develop similar criteria -- or may be forced into a similar situation by the FWS.

A petroleum industry source says that every industrial discharger is "alarmed" by the mercury criteria, saying that "it is impossible" to comply with.

Date: February 20, 2003

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