EPA Tier 2 engine for EPA vessel

The 'Lake Guardian' (ex: 'Marsea XIV') is the US Environmental Protection Agency's largest research and monitoring vessel, and is operated by EPA's Chicago-based Great Lakes National Program Office.

The 'Lake Guardian' is in its eighteenth season in the Great Lakes, and has been used, extensively, to support monitoring and research activities ranging from investigations of toxic contaminants to the health of the biological communities of the lakes. The EPA continues to use the 'Lake Guardian' to support a wide range of research activities conducted by Federal, State, and local agencies and universities. Every effort is made to keep the Lake Guardian's equipment up-to-date, to make possible sampling for a wide range of chemicals in the air, water and sediments as well as aquatic plants and animals. The boat is fitted with two 2,268 kilogram and one 13,607 kilogram deck winches and a HIAB 450 Se Crane and a HIAB 80 Sea Crane. Accommodation is provided for a crew of 13 and 29 scientists. The vessel has tankage for 304,000 litres of fuel, 105,000 litres of potable water, 7,529 litres of lube oil, 5,807 litres of hydraulic oil, 237,777 litres of effluent and 289,600 litres of ballast water. Launched from Halter Marine's Pascagoula shipyard in 1981, the Lake Guardian was converted to a research vessel in 1990.

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