Contents of the LABS.DAT file Version 1.0 09/12/96 There is one record (line) for each laboratory analysis agency code. Columns Format Contents 1-5 I5 Laboratory analysis agency code. 6-7 2X Blanks. 8-68 A61 Agency or organizational name. The laboratory analysis agency code is stored in the USGS NWIS and WATSTORE data systems as parameter code 00028. Format descriptions: In an integer field n columns wide. An a character field n columns wide. 1X a single blank column.