The Passenger Vessel Association (PVA) says existing voluntary Code of Conduct sufficient to protect Alaskan Harbor Seals. PVA has submitted written comments to the National Oceanic and Atmospheric Administration (NOAA) urging that the agency defer implementing broader restrictions on vessels operating in Alaska in the vicinity of tidewater glacial habitats for harbor seals in favor of current voluntary restrictions. PVA recommended that the agency re-emphasize adherence to the existing voluntary Code of Conduct to which PVA members, and others, are already committed and which historically has proven to be adequate. NOAA's Advance Notice of Proposed Rulemaking (ANPRM) proposed expanding vessel restrictions concerning distances from seals…