The Washington State Department of Ecology (Ecology) invites the public to comment on a proposed air quality permit for building the new Vantage Data Center on 63 acres northeast of Quincy. The draft permit would allow the company to install 17 backup generators for use during power failures to support the facility’s data servers and places conditions on the operation to protect public health. The generators are powered by diesel engines. The 17 new generators would be in addition to 141 generators already permitted at five other Quincy-area data centers. In developing the draft permit, Ecology toxicologists consider the cumulative health effects on the residential community of Quincy from all the diesel generators at all the area data centers. Ecology’s toxicological and computer modeling experts have completed a review of the Health Impact Assessment submitted by the company’s consultant, ICF International, in support of the Vantage Data ...