WORK PLANS - Laserfiche WebLink

Home Browse Search

"'4111' CDIM Standard Operating Procedure )11M 1.0 Chain of Custody Rev. 0 10/23/2020 • The sample custodian delivers the samples to the laboratory and relinquishes the samples directly to a laboratory representative or the laboratory representative comes to a location (such as the office)the custodian to transport the samples. • The custodian signs the COC listing his/her name, affiliation, date, and time. • The laboratory representative must receive the samples by signing his/her name, affiliation, date, and time on the COC. The laboratory representative may decline to take receipt of the samples if the COC is not properly completed or if the samples are not properly packaged. Any designated laboratory personnel may act as the sample custodian. • A copy of the COC is placed in the project files and the original is maintained with the samples at the laboratory. 3.3 COC Transfer to Laboratory via Shipment or Courier If the sampling personnel transfer sample(s) to the laboratory utilizing a common carrier, sampling personnel will retain COC responsibility and the common carrier is not responsible for maintaining sample custody. The sample collectors are responsible for packaging and sealing the samples to prevent tampering. When transferring samples to the courier for transport, COC procedures are maintained as follows: • The sample collector lists the courier affiliation and waybill number on the COC. • The sample collector relinquishes custody by signing his/her name, affiliation, date, and time. The collector keeps a copy of the relinquished COC for the project file. • Copies of completed COCs will be sent to the PM within 24 hours of relinquishing samples. At the end of each field activity, COCs will be scanned into a pdf or similar file by the field personnel and emailed to the PM for archiving. • The relinquished original COC is sealed in a watertight plastic bag and taped to the inside of the lid of the container used for transportation. • The transportation container is sealed to prevent tampering and given to the courier for delivery to the laboratory. • The sample collector obtains a copy of the waybill from the courier for the project file. • The laboratory representative must sign his/her name, affiliation, date, and time on the COC upon receipt of the samples. The COC is maintained with the samples at the laboratory. • The laboratory representative obtains a copy of the waybill from the courier for the project file. 3.3 COC Management The Project Manager is responsible for assuring that a proper COC is initiated at the time the sample(s) are collected, and for making sure that the COC is maintained throughout the 3