Quality Systems Branch Chief: gs-w_lasd_qsb_chief@usgs.gov
U.S. Geological Survey
Denver Federal Center
Mail Stop 401, Box 25046
Denver, CO 80225
303.236.1875

Memo 90.01 - BRANCH OF QUALITY ASSURANCE MEMORANDUM 90.01
SUBJECT: PUBLICATIONS - "QADATA user's manual: An interactive computer program for the retrieval and analysis of the results from the external blind sample quality-assurance project of the U.S. Geological Survey." Open-File Report 90-162.

Memo 90.02 - BRANCH OF QUALITY ASSURANCE MEMORANDUM 90.02
SUBJECT: REPORTS - US EPA summary of quality assurance literature

Memo 90.03 - BRANCH OF QUALITY ASSURANCE MEMORANDUM 90.03
SUBJECT: ADP - Storage of water-quality, quality-assurance data in NWIS

Memo 91.09 - WATER RESOURCES DIVISION MEMORANDUM NO. 91.09
Subject: PUBLICATIONS--Quality Systems Terminology

Memo 92.01 - BRANCH OF QUALITY ASSURANCE MEMORANDUM 92.01
SUBJECT: ADP - Storage of water-quality, quality-assurance data in NWIS

Memo 93.01 - BRANCH OF QUALITY ASSURANCE MEMORANDUM 92.01
SUBJECT: ADP - Storage of water-quality, quality-assurance data in NWIS

Memo 95.01 - BRANCH OF TECHNICAL DEVELOPMENT AND QUALITY SYSTEMS MEMORANDUM NO. 95.01
SUBJECT: ADP--Storage of water-quality quality-assurance data in NWIS

Bibliography - BIBLIOGRAPHY OF QUALITY ASSURANCE REPORTS

Aggregated Coding - This document contains the aggregated coding from BQA Memos 90.03, 92.01 and 95.01 to use for storing QC samples in NWIS-I.

National Water Quality Laboratory TECHNICAL MEMORANDA