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

GENERAL PERMIT NO. 2009DB0026 Page 11 of 45
Table 5: Effluent Limits and Discharge Reporting for Scanship Wastewater Treatment Systems
(These effluent limits apply in addition to the effluent limits listed in Table 1.)
Parameter Daily Maximum Continuous a Daily Maximum Underway b,c Minimum Frequency Sample Type
Ammonia 28 mg/L 68 mg/L Twice per month
Copper 26 ug/L 26 ug/L Twice per month Grab
Nickel 28 ug/L 28 ug/L Twice per month Grab
Zinc 267 ug/L 267 ug/L Twice per month Grab
Notes:
a. This effluent limit applies to wastewater discharged while docked, anchored, or moving at less than 6 knots.
b. This effluent limit applies to wastewater discharged while underway traveling at a speed of 6 knots or greater.
c. For the 2010 season, this is a monitoring and reporting requirement only. For any samples collected in 2010 that exceed the limit,
the permittee must, with the DMR, provide a written explanation of the known or likely cause(s) of the exceedance and the
corrective measures the permittee will take to address the cause(s) before the 2011 season.
Table 6: Effluent Limits and Discharge Reporting for Zenon Treatment Systems
(These effluent limits apply in addition to the effluent limits listed in Table 1.)
Parameter Daily Maximum Continuous a Daily Maximum Underway b,c Minimum Frequency Sample Type
Ammonia 28 mg/L 51 mg/L Twice per month Grab
Copper 50 ug/L 50 ug/L Twice per month Grab
Nickel 40 ug/L 40 ug/L Twice per month Grab
Zinc 188 ug/L 188 ug/L Twice per month Grab
Notes:
a. This effluent limit applies to wastewater discharged while docked, anchored, or moving at less than 6 knots.
b. This effluent limit applies to wastewater discharged while underway traveling at a speed of 6 knots or greater.
c. For the 2010 season, this is a monitoring and reporting requirement only. For any samples collected in 2010 that exceed the limit,
the permittee must, with the DMR, provide a written explanation of the known or likely cause(s) of the exceedance and the
corrective measures the permittee will take to address the cause(s) before the 2011 season.
Table 7: Effluent Limits and Discharge Reporting for All Other Wastewater Treatment Systems
(These effluent limits apply in addition to the effluent limits listed in Table 1.)
Parameter Daily Maximum Continuous a Daily Maximum Underway b,c Minimum Frequency Sample Type
Ammonia 28 mg/L 130 mg/L
Twice per month
Copper 87 ug/L 130 ug/L Twice per month Grab
Nickel 43 ug/L 43 ug/L Twice per month Grab
Zinc 360 ug/L 360 ug/L Twice per month Grab
Notes:
2012 Ocean Ranger Guidebook 3-7-12
a. This effluent limit applies to wastewater discharged while docked, anchored, or moving at less than 6 knots.
b. This effluent limit applies to wastewater discharged while underway traveling at a speed of 6 knots or greater.
c. For the 2010 season, this is a monitoring and reporting requirement only. For any samples collected in 2010 that exceed the limit,
the permittee must, with the DMR, provide a written explanation of the known or likely cause(s) of the exceedance and the
corrective measures the permittee will take to address the cause(s) before the 2011 season.
Grab
Grab
77