Skip to Main Content View Text-Only

The City of Portland, Oregon

Archives & Records Management

Office of the City Auditor

phone: 503-865-4100


1800 SW 6th Ave, Suite 550, Portland, OR 97201

More Contact Info


9611-01   Raw Data Records

Series is created to document analysis of water samples that are water system related. Series is used to verify water quality. Records include raw analytical data (strip charts, turbidity, reports, bench sheets, logbooks, etc.) at the time of analysis. Records include all chemical, bacteriological and biological analysis done by the Water Bureau labs. Records include QA (quality assurance), QC (quality control) and calibration data. Series includes raw data compiled for EPA Reports (9611-03) and needed for lab certification.

Retention: Permanent. Microfilm after 1 year and destroy hard copy after film has been checked and verified. Produce 2 diazo copies and 1 silver (which is to be sent to PARC).
Record Copy? Yes


9611-02   Contract Lab Records

Series is created to document summary analysis of water samples tested for the Water Bureau by contract labs. Records include all sheets submitted by contract labs for chemical, bacteriological and biological testing.

Retention: Permanent
Record Copy? Yes


9611-03   Lab Accreditation Records

Series is used to document laboratory accreditation/certification procedures including documentation of assessments and performance testing. Records include assessment reports, correction action reports for assessments, correspondence, performance testing results and other records generated for laboratory accreditation/certification and performance testing. Raw data records should be included with 9611-01.

Retention: Permanent
Office of Record Copy:  Water Bureau / Water Quality Lab

Vital: No

Confidential: No

Authority:  OAR 166-200-0385(22),(23)