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

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2012 Ocean Ranger Guidebook 3-7-12 18 AAC 69.025 Plan of sampling techniques and analytical testing methods. (f) The owner or operator shall maintain a copy of the valid, approved plan of sampling techniques and analytical testing methods on board each vessel that the owner or operator causes or allows to be operated in the marine waters of the state. (Eff. 11/15/2002, Register 164) Alaska WW GP (Excerpt) 1.5.1.1 Onboard sampling locations will be the same as those listed in the current and accurate Vessel Specific Sampling Plan (VSSP) approved by the Department under 18 AAC 69.030. 2.3 LOCATION OF PERMIT AND OTHER REQUIRED PLANS The permittee shall maintain a current copy of the following documents on the vessel in a location that is accessible to the Department’s employees or agents: 2.3.1 A copy of this permit; 2.3.2 A copy of any Department authorization to discharge; 2.3.3 A copy of the accurate approved Vessel Specific Sampling Plan (18 AAC 69.030); Job Aid Item: 1.3.b Text: Sampling events i. follow the approved Quality Assurance Project Plan / sampling procedures (AS 18 AAC 69.030 / 33 CFR 151.317) ii. Sample results (if available) meet permit limits for Fecal Coliform / Total Suspended Solids in effluent if results are made available on the same day ( 18 AAC 69.070 / AS 46.03.463) iii. Field test results for pH and chlorine (if sampling event is witnessed) meet permit limits (AS 46.03.465(c)). What to check for: Check only if a sample is taken. The QAPP is a complex document, and it is not possible to check in the field that all elements of the QAPP are followed. The main concern is that the sample is representative and taken correctly. If there is a question please submit it as a question report, photos can be helpful along with a full description and the sample number. The following items need to be checked. Please note there is a related safety question on sampling. Does the sample valve match the location and name in the VSSP? Was the vessel discharging at time of sample (for Alaska GP samples only)? Does the effluent match what is discharged (same line and not mixed)? Is the sample port within 50 feet of the overboard port? Were field tests taken within 15 minutes of the sample (chlorine, pH, temperature)? Were field tests taken with approved QAPP equipment (no test strips)? Was the sample promptly cooled with icewater? Any signs of potential contamination- such as solids or liquids entering the bottle from other sources? Was sample valve disinfected and flushed prior to sampling? Reasonable number of sample bottles/sample volume. The smallest sample should be about at least a liter of water and four or more bottles. 26
2012 Ocean Ranger Guidebook 3-7-12 Was chlorine below 0.1 mg/liter (GP and USCG compliance limit based on the method detection limit) Was pH between 6.5 and 8.5 if sampling while discharging (AK limit), or 6.0 and 9.0 for USCG compliance sampling while recirculating? If fecal or TSS results are known the same day, are these results above the permit limits (43 FCU or 150 mg/L for TSS)? There is a sample/field checklist included in the QAPP. This would be very useful for checking for QAPP compliance. Background: It is extremely important that samples are taken correctly and are representative of typical discharges. The sample results are often used for compliance actions, for writing future permits, and other actions taken by ADEC and the USCG. ADEC invests a lot of time and resources in sampling, the QAPP, and VSSPs. Ocean Rangers have an important position in being able to observe samples being taken, particularly underway. If a sample is taken incorrectly it could skew sample results, force a resampling, or result in compliance actions. For example, a sample port that is not flushed could have test results that show much higher bacteria levels than what might exist in the discharge line. There is a sample/field checklist included in the QAPP. This would be very useful for checking for QAPP compliance. Citations: The Quality Assurance Project Plan is included in reference files as is a sample VSSP. GP (excerpt) 1.5.1.4 The permittee shall ensure that the sampling required under this general permit and AS 46.03.465 is conducted by a qualified, approved person in accordance with the current approved Quality Assurance / Quality Control (QA/QC) Plan that is part of the VSSP. 33 CFR 159.317(a) Sampling and Reporting (6) Ensure all samples, as required by this section, are collected and tested by a laboratory accepted by the Coast Guard for the testing of conventional and priority pollutants, as defined by this subpart, and in accordance with the cruise vessel's Coast Guard accepted QA/QCP and VSSP; 27
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