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

2012 Ocean Ranger Guidebook 3-7-12
Background: For vessels with continuous (or automatic) discharges the regulations were written to
divide up the voyage with each port of call. Otherwise the discharge log would be one entry potentially.
For continuous dischargers the 24 clock was required to differentiate between AM and PM on the logs.
These regulations only apply to continuous or automatic dischargers, either stationary or underway.
Underway only dischargers only need to be checked for the regulations that apply to underway vessels
(18 AAC 69 (c) 1,2,4). Continuous or automatic discharges are those where the systems is pumping
continuously (continuous), or where the system pumps without an operator’s direct input, such as from
an AWTS tank where discharges are pumped every time the tank reaches a particular level.
Citation: 18 AAC 69.050. Treated sewage, graywater, and other wastewater discharge records and
report.
(c) For an automatic or continuous discharge, in port, at anchorage, or underway, of treated sewage,
graywater, or other wastewater into the marine waters of the state, the records required by AS
46.03.465(a) must describe for each voyage
(1) the daily estimated volume of discharge by type;
(2) a description of how the daily volume by discharge type was estimated;
(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; and
(4) for each vessel route while the vessel is underway between each stay identified in (3) of this
subsection, the
(A) dates while en route;
(B) time expressed in a 24-hour clock format at the beginning and end of each vessel
route;
(C) vessel’s average speed; and
(D) estimated average flow rate of discharge by type of discharge.
Job Aid Item: 1.3.d
Text: Onboard records describe how the daily volumes of how discharge are calculated/estimated/or
metered IAW 18 AAC 69.050(c)(2)(only for continuous or automatic discharge).
What to check for: Check discharge logs, if a vessel has continuous or automatic discharges in Alaska
then the discharges must be calculated by type. The method of calculation or metering must be
described. This would likely be in the discharge log instructions either in the logbook or separately. The
methods must be listed in the seasonal report.
Background: Operators need to identify how wastewater effluent volumes were measured.
Citation: 18 AAC 69.050 (c)
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