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Cleanup in Vulnerable Communities'Initiative Final Project Reference:Bobson Cleaners Discovery and Enforcement Discovery Project Number:60688620-5.1 Investigation Work Plan 3.2.9 Sample Documentation Sample documentation include the following:field forms(Section 3.2.9.1), chain-of-custody records(Section 3.2.9.2), and Photographs(Section 3.2.9.3)of this Work Plan. 3.2.9.1 Field Forms Field forms will document where,when, how,and from whom any vital project information was obtained. Documentation will be complete and accurate enough to permit reconstruction of field activities. Documentation will be legible,written in black ink, and signed by the individual making the entries. Language will be factual, objective, and free of personal opinions or other terminology,which might prove inappropriate. If an error is made, corrections will be made by crossing a line through the error and entering the correct information. Corrections will be dated and initialed. No entries will be obliterated or rendered unreadable. Field form information will include at a minimum the following for each day: • Site name and address; • Recorder's name; • Team members and their responsibilities; • Time of site arrival/entry onsite and time of site departure; • Other personnel onsite; • Weather conditions including air temperature, precipitation or high wind conditions; • A summary of any onsite meetings; • Deviations from sampling plans, or site safety plans; • Changes in personnel and responsibilities as well as reasons for the changes; • Levels of safety protection; and • Calibration readings for any equipment used and equipment model and serial number. At a minimum, the following information will be recorded during the collection of each sample as applicable: • Sample ID no.; • Sample location and description; • Site sketch showing sample location and measured distances to physical reference points; • Sampler name(s); • Date and time of sample collection; • Designation of sample as composite or grab; • Type of sample(i.e., matrix); • Type of preservation; • Type of sampling equipment used; • Lot numbers of vendor-supplied sample containers or specialty-grade water; • Field observations and details important to analysis or integrity of samples (e.g., heavy rains, odors, colors); • Instrument readings (e.g., PID); • Chain-of-custody form numbers; • Shipping arrangements(by overnight courier delivery company including air bill number, or laboratory pickup including name of personnel and time of departure); and • Recipient laboratory(ies). Prepared for: Department of Toxic Substances Control AECOM 20