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7 <br /> i-� <br /> E <br /> 4.4.2 PHOTOGRAPHS <br /> If photographs are taken during sampling activities,the following information should be <br /> placed in the sampler's field notebook: <br /> a Time and date of photograph <br /> Location and direction of photograph (if applicable) <br /> a Film roll number and frame number <br /> a Description of photograph subject <br /> Photographs taken will be put into the project files after they are developed. <br /> 4.5 CALIBRATION PROCEDURES <br /> The following field equipment will require calibration: <br /> pH meter <br /> Electrical Conductivity Meter <br /> a Photoianization Detector (PID) e.g., HNu <br /> Electric Well Sounder <br /> The conductivity, pH, and PID meters will be calibrated prior to and at the completion <br /> of each day's use to standards in accordance with procedures and schedules outlined in <br /> the particular model's handbook. The calibration standards for these instruments and <br /> sounder will be calibrated with <br /> their suppliers are listed in Table 4-1. The electric well <br /> a steel tape before it enters the field. <br /> i <br /> The results of calibrations and repair records will be recorded in a field notebook. <br /> Scheduled periodic calibration of testing equipment does not relieve field personnel of <br /> ctividual <br /> the responsibility of employing properlyfu <br /> suspects an equipment malfunction, the d will begremo ed from service,equipment. if ansnditagged so <br /> that it is not inadvertently used, and the appropriate personnel notified so that a <br /> recalibration can be performed or a substitute piece of equipment can be obtained. <br /> a SF031605\wrW04.51 4-13 <br /> ; <br />