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East Roseland QAPP <br /> Section B <br /> Revision No . _ <br /> Date : 11 / 16/04 <br /> Page 18 of 22 <br /> 10 . Oil and Grease EPA 1664 <br /> 11 . Hardness SM2340B <br /> 12 , Zinc EPA 200 . 71 200 . 89 6010 , or 6020 <br /> 13 , Copper EPA 200 . 71 200 . 87 6010 , or 6020 <br /> 14 . Cadmium EPA 200 . 71 200 . 87 6010 , or 6020 <br /> 15 , Chromium EPA 200 . 71 200 . 89 6010 , or 6020 <br /> ** Field measurement performed by Michael Wickwire , of Peninsula hydrologic <br /> Data Specialists , Inc . <br /> B4 . 2 Validation Information for Non -Standard Methods <br /> Not applicable for this project . <br /> B4 . 3 Individuals Responsible for Corrective Action <br /> 1 . Field Measurements — Michael Wickwire of Peninsula hydrologic Data <br /> Specialists , Inc . <br /> 2 , Laboratory Measurements — Derrick M . Simons of U . S . Biosystems , Inc . <br /> B4 . 4 Special Laboratory Turnaround Time <br /> Not applicable this project . <br /> B5 . Quality Control Requirements <br /> B5 . 1 Purpose/Background <br /> QC checks will be performed throughout the Project to ensure the generation of <br /> reliable data . The equipment will be calibrated and programmed prior to <br /> installation at the Project site and a record of the calibration will be recorded in <br /> the field logs . The autosamplers will be checked periodically and after every <br /> rainfall event to ensure proper function . Additionally , Michael Wickwire will <br />