NAAQS Average Record Work File Format

A single record, or line, in the file holds a day of data. The Value and Qualifier fields zero through twenty-three correspond to the hours of the day: midnight through 11:00PM. For durations that are longer than hourly, the data appears at the time collected. Empty lines are not provided for skipped or missing days.

 

Field Number

Field Name

Alpha/ Numeric

Max Size/Scale

1

Transaction Type

A

1

2

State Code

A

2

3

County Code

A

3

4

Site ID

A

4

5

Parameter Code

A

5

6

POC

N

2

7

Sample Duration Code

A

8

8

Units Code

A

3

9

Primary Monitor Type

A

20

10

Reporting Organization Code

A

8

11

Reporting Organization Name

A

120

12

Sample Date

A

8 (YYYYMMDD)

13

Sample Value 0

N

5.5 (Signed)

14

Exceptional Data Flag 0

N

1

15

Sample Value 1

N

5.5 (Signed)

16

Exceptional Data Flag 1

N

1

17

Sample Value 2

N

5.5 (Signed)

18

Exceptional Data Flag 2

N

1

19

Sample Value 3

N

5.5 (Signed)

20

Exceptional Data Flag 3

N

1

21

Sample Value 4

N

5.5 (Signed)

22

Exceptional Data Flag 4

N

1

23

Sample Value 5

N

5.5 (Signed)

24

Exceptional Data Flag 5

N

1

25

Sample Value 6

N

5.5 (Signed)

26

Exceptional Data Flag 6

N

1

27

Sample Value 7

N

5.5 (Signed)

28

Exceptional Data Flag 7

N

1

29

Sample Value 8

N

5.5 (Signed)

30

Exceptional Data Flag 8

N

1

31

Sample Value 9

N

5.5 (Signed)

32

Exceptional Data Flag 9

N

1

33

Sample Value 10

N

5.5 (Signed)

34

Exceptional Data Flag 10

N

1

35

Sample Value 11

N

5.5 (Signed)

36

Exceptional Data Flag 11

N

1

37

Sample Value 12

N

5.5 (Signed)

38

Exceptional Data Flag 12

N

1

39

Sample Value 13

N

5.5 (Signed)

40

Exceptional Data Flag 13

N

1

41

Sample Value 14

N

5.5 (Signed)

42

Exceptional Data Flag 14

N

1

43

Sample Value 15

N

5.5 (Signed)

44

Exceptional Data Flag 15

N

1

45

Sample Value 16

N

5.5 (Signed)

46

Exceptional Data Flag 16

N

1

47

Sample Value 17

N

5.5 (Signed)

48

Exceptional Data Flag 17

N

1

49

Sample Value 18

N

5.5 (Signed)

50

Exceptional Data Flag 18

N

1

51

Sample Value 19

N

5.5 (Signed)

52

Exceptional Data Flag 19

N

1

53

Sample Value 20

N

5.5 (Signed)

54

Exceptional Data Flag 20

N

1

55

Sample Value 21

N

5.5 (Signed)

56

Exceptional Data Flag 21

N

1

57

Sample Value 22

N

5.5 (Signed)

58

Exceptional Data Flag 22

N

1

59

Sample Value 23

N

5.5 (Signed)

60

Exceptional Data Flag 23

N

1