2012 Ocean Ranger Guidebook Revision 3-7-12 - Alaska ...

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2012 Ocean Ranger Guidebook 3-7-12 What to check for: If daily total flow is measured with a meter, the meter must be functioning. Background: Flow meters if installed must be functioning, connected, and reliable. This is to obtain the most accurate flow and volume data possible. Citation: See 1.3.h Sub-section 4: Discharge Vessels, in-port or stationary Job Aid Item: 1.4.a Text: Estimated average flow for the GW BW, Mixed Water (m3/hr) while in port is logged (18 AAC 69.050(c)(3)(d)) What to check for: Stationary dischargers (while docked or anchored) must record average flow rate for each stay in port. Check discharge logbook for entries. Background: Flow rate information is critical to determine future permit dilution (mixing zone). It can be used to determine potential environmental impacts when combined with sample information. Some vessels have different operation regimes for their AWTS while in port and or underway. OR to check these operation regimes and which sections of the AWTS are dedicated to discharge under certain vessel conditions. A good question to check on is how volumes are calculated. It may be useful to trace discharge lines and valve settings used for each operation. Citation: 18 AAC 69.050(c) (3) for each stay that a vessel makes at an anchorage or dock, the (A) date of the stay; (B) time expressed in a 24-hour clock format at the beginning and end of each docking or anchorage; (C) latitude and longitude of the stay; and (D) estimated average flow rate of discharge by type of discharge; Sub-section 5: Non-Discharge Vessels, at sea; Job Aid Item: 1.5.a Text: Was WW discharge conducted in waters subject to GP requirements? AS 46.03.462 (a). What to check for: Check discharge logs for any entries documenting accidental or emergency discharges. Check discharge log entries for locations of discharge that show unpermitted WW discharge. Watch for foam, solids, or unusual smells in the waters around the cruise ship. Background: Wastewater discharges in Alaskan waters require a permit (ADEC WW GP). 32
2012 Ocean Ranger Guidebook 3-7-12 Citation: Sec. 46.03.462. Terms and conditions of discharge permits. (a) An owner or operator may not discharge any treated sewage, graywater, or other wastewater from a commercial passenger vessel into the marine waters of the state unless the owner or operator (1) obtains a permit under AS 46.03.100 , which shall comply with the terms and conditions of vessel discharge requirements specified in (b) of this section; or (2) has a plan approved by the department under (c) of this section. AS 46.03.463. Prohibited discharges; limitations on discharges. (a) Except as provided in (h) of this section, a person may not discharge untreated sewage from a commercial passenger vessel into the marine waters of the state. (e) An owner or operator may not discharge any treated sewage, graywater, or other wastewater from a large commercial passenger vessel into the marine waters of the state unless the owner or operator obtains a permit under AS 46.03.100 and 46.03.462, and provided that the vessel is not in an area where the discharge of treated sewage, graywater, or other wastewaters is otherwise prohibited. Job Aid Item: 1.5.b Text: Verify that overboard valves are closed / sealed in Alaska waters (AS 46.03.463) What to check for: Check for open valves on any valves that could discharge wastewater in Alaskan waters. Background: Wastewater discharge is prohibited without a permit. Most operators go beyond closing valves to lock valves while in Alaskan waters if the vessel typically does not discharge. Citation: AS 46.03.463. Prohibited discharges; limitations on discharges. (a) Except as provided in (h) of this section, a person may not discharge untreated sewage from a commercial passenger vessel into the marine waters of the state. (e) An owner or operator may not discharge any treated sewage, graywater, or other wastewater from a large commercial passenger vessel into the marine waters of the state unless the owner or operator obtains a permit under AS 46.03.100 and 46.03.462, and provided that the vessel is not in an area where the discharge of treated sewage, graywater, or other wastewaters is otherwise prohibited. 33
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