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Decem6cr 23, 1999 ~ ~ Page C-!0 <br />Preservation of samples <br />Record of any QC samples from the location <br />Record ofany irregularities orproblems which mayhave an impact on sample quality <br />C.5.2 Field Notes <br />J Field notes should be kept in a bound Celd book or equivalent. The daily log should be <br />printed in waterproof ink, and should contain a detailed signed and dated description of the sampling <br />activities. The description should be detailed enough to enable participants to accurately and <br />objectively reconstruct the daily events at a later time. If corrections are necessary, these should be <br />made by drawing a single line through the original entry (so that the original entry is legible) and <br />writing the corrected entry alongside. The correction should be initialed and dated and may require <br />a footnote explaining the correction. <br />The following information should be recorded: <br />Names of all personnel on site <br />] ~ Dates, weather conditions, and times <br />Location and well number <br />] ~ Condition of the well <br />1 ~ Decontamination information <br />Calibration information <br />1 ~ Time of occurrence and nature of any malfunctions of field measurement instruments <br />Initial static water level and total well depth <br />Calculations (e.g., calculation of purge volume) <br />Field data (pH, conductivity, and temperature) <br />l ~ A list of all samples collected which includes sample numbers, times, matrix, <br />J analysis to be performed, sampling location, and COC and sample seal numbers <br />t ~ A list of all QA samples (blanks, duplicates, etc.) <br />Any notes or elaboration required to clarify sample logs, boring logs, or other related <br />' records <br />Any unusual circumstances <br />' The field log book will be supplemented by information on field forms for each <br />representative activity (i.e., borehole logs, COCs, etc.). <br />I' <br />Agapito Associates, Inc. <br />