7 of 11 Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 11: Training, Operation Supervision and Maintenance  The Contractor shall ensure that all samplers, including sample bottles and pipelines, are cleaned regu- larly to avoid the formation of grease, solid material and bacterial growth.  Analytical Methodology  Laboratory and Analytical Equipment  Monitoring Requirements  Independent Analysis  Remedy on Compliance Failure  Sampling by the Employer  11.4.3 Records of data  11_Vol3_d4.3_Section 11 Training&Maintenance_en_GIR_rev6  Records of the continuous data measured at the station shall be kept at the wastewater treatment plant  in electronic and hard copy formats and summary data shall be provided in the monthly report.  The Employer reserves the right to enter the wastewater treatment plant to take samples at any location  and at any time without prior notice to the Contractor.  In the event of any failure to comply with the treated wastewater discharge standards, the Contractor  shall inform the Engineer, in writing, immediately upon becoming aware of the failure. The Contractor  shall provide details of the reasons for failure and the remedies that have been put into effect to ensure  that the treatment plant can meet the standards.  Analyses for all parameters, specified in Table 11-1a or 11-1b (as the case may be) for the inlet and  outlet, shall be carried out at the Plant’s Laboratory. All other analyses that cannot be carried out at  plant’s laboratory and the analyses to be required by the Engineer due any reason shall be carried out  by a recognized independent laboratory, approved by the Engineer. A portion of the sample sent for  independent analysis shall be kept on site and analyzed as normal. The results shall then be compared.  Any unusual variance between the results shall be brought to the attention of the Engineer for discus- sion. The Contractor shall make any necessary adjustments to his analytical procedures to ensure that  any errors, considered to have occurred, are eliminated.  For compliance purposes, the Contractor shall carry out sampling according to Table 11-1(a) and (b)  given below. Sampling at the inlet and outlet shall be corresponding as regard time.  In cases where there are no applicable Turkish regulations, the analysis of samples taken at the  wastewater treatment plant shall be carried out in accordance with the most up to date edition of  “Standard Methods for the Examination of Water and Wastewater” produced by The American Public  Health Association (APHA); the American Water Works Association (AWWA) and the Water Envi- ronment Federation (WEF).  The Contractor shall also abide by the requirements of the Turkish Regulations with respect to analyti- cal methodology.  The Contractor shall ensure that the laboratory and analytical equipment is kept in good condition.  Analytical equipment shall be calibrated on a regular basis. 