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Lake Michigan Mass Balance

About the Project About the Data Summary Results
basic information data request metadata quality assurance

LMMB Field Data Reporting Formats

Specific Instructions

These instructions provide details for specific information types to be reported about site/station visits and field analyses under the Lake Michigan Mass Balance (LMMB) study. Click on the names above the tables below to see an illustration of the record's format, or go directly to that page.

Delivery Header Record

A single Delivery Header Record shall be included on each diskette as a separate file in the root directory and shall appear once on each disk, tape, or transmission from the same source. 

POSITION FIELD NAME REMARKS OR EXPLANATION
1 Project Code (use list of allowable values)
2 Date disk made YY-MM-DD (ex: 94-06-21)
3 Organization Code Organization name (use list of allowable values)
4 Contract or Grant # EPA contract or grant number
5 Data contact name First Name Last_Name
6 Data contact phone # ex: 312-555-1212

BOLD = required data element Station Visit File

You must include a record of each visit to a station in the station visit file. 

POSITION FIELD NAME REMARKS OR EXPLANATION
1 Station ID Facility or station ID
2 Arrival date Date of arrival at station YY-MM-DD
3 Arrival time Time of arrival at station HH:MM:SS
4 Departure date Date of departure from station YY-MM-DD
5 Departure time Time of station departure HH:MM:SS
6 Station depth Depth to bottom (meters) at station at time of visit
7 Cruise ID Unique, user-defined identifier to identify the sampling cruise. Use as applicable.
8 Station notes Description of station condition (up to 254 characters). DO NOT USE COMMAS IN THE TEXT!

BOLD = required data element Sample Collection File

 

POSITION FIELD NAME REMARKS OR EXPLANATION
1 Station Station or Facility name
2 Station arrival date Date of arrival at station YY-MM-DD
3 Sample ID Unique ID for a specific sample
4 QC identifier Routine sample, field blank, etc. (use list of allowable values)
5 Sampling start date YY-MM-DD
6 Sampling start time HH:MM:SS
7 Sampling type ex: grab, composite (use list of allowable values)
8 Sample medium (use list of allowable values)
9 Collection Method Identify combination of procedure and sampling gear(use list of allowable values)
10 Sample Depth Depth at which sample was taken in Meters
11 Field Remark Code Field qualifiers (use list of allowable values)
12 Sample Size Volume, weight, or amount of sample collected
13 Size Units Units for sample size (use list of allowable values)
14 Sampling End Date YY-MM-DD Do not use for instantaneous samples
15 Sampling End Time HH:MM:SS Do not use for instantaneous samples
16 Exception to Method Text Record any exceptions to the sampling method from the QAPP (up to 254 characters). DO NOT USE COMMAS IN THE TEXT!

BOLD = required data element Complex Sample Definition File

Use as needed for recording sediment slices or subsampling; also recording which individual samples were placed together in a composite or separated into a split.

POSITION FIELD NAME REMARKS OR EXPLANATION
1 Parent Sample ID The applicable Sample ID from Sample.txt file above; i.e., the parent of a split sample, or one component of a composite
2 Composite/Split Sample ID Unique Sample ID for a composited sample, or for one slice of a core or one separated subsample.
3 QC Identifier Routine Sample, Field Blank, etc. (use list of allowable three-character values)
4 Sampling Type ex: grab, composite (use list of allowable values)
5 Start Slice Length Starting point for subsample length, height, or depth
6 End Slice Length Ending point of subsample length, height, or depth
7 Length Units Units of measure for start and end of sampling
8 Sample Description Text describing the distinguishing characteristics of the subsample or individual samples for composite (up to 254 characters). DO NOT USE COMMAS IN THE TEXT!

BOLD = required data element Sampling Location Deviation

Sampling does not always occur at the planned location. Record any deviation from the planned station location (as listed in the QAPP) in this file either using offset and bearing or recording latitude and longitude. If latitude and longitude are used, please fill out all fields 1-3 and 7-10; if offsite bearing and distance are used, fill out 1-6.

POSITION FIELD NAME REMARKS OR EXPLANATION
1 Station ID Station identification
2 Station arrival date YY-MM-DD
3 Sample ID Use only when locaiton deviation refers to a single sample
4 Offset bearing Offset bearing from station in degrees
5 Offset distance Distance from station
6 Units of distance Units of distance (use list of allowable values)
7 Latitude Latitude (DD.MM.SS.SSSS)
8 Longitude Longitude (DDD.MM.SS.SSSS)
9 Date coordinates determined YY-MM-DD
10 Source of coordinates (use list of allowable values)
11 Accuracy Accuracy of coordinate determination + or -
12 Units for accuracy minutes, seconds, decimal degrees

BOLD = required data element

For locational information, latitude is always given before longitude. The standard form of degrees, minutes, seconds, and decimal portions of seconds should be followed; if the numbers are decimal degrees, preceed the number with D. For more information, see the EPA Agency Locaitonal Data Policy, Information Resources Manual, Chapter 13 and Appendix A. In-Situ Measurement & Visual Observation Results

This should be a file of multiple lines of in-situ measurements (uses equipment) and visual observations (no equipment used) taken while on station.

POSITION FIELD NAME REMARKS OR EXPLANATION
1 Station ID Station identification
2 Station arrival date YY-MM-DD
3 Measurement/Observation ID Unique ID for a specific measurement or observation
4 Analyte What the results report (Hg) (use list of allowable values)
5 Result Numeric value
6 Units Metric measure units (use list of allowable values)
7 Result Type Statistic type - Actual, average, RPD, recovery (use list of allowable values)
8 Analytic Remark Code 3-character qualifier code (you may string as many codes as needed; ex: RINLTLCON) (use list of allowable values)
9 Sampling Type (use list of allowable values)
10 Sampling Method Code (use list of allowable values)
11 Exception to Method Text Record any exceptions to the sampling method (up to 254 characters). DO NOT USE COMMAS IN THE TEXT!
12 QC Identifier Sample, Field, Blank, etc.(use list of allowable values)

BOLD = required data element

 
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