CF002

Attributes in entity 1: Proportional stream water sample nutrient concentrations		Details
1. STCODE Definition: Study code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 1.  maximum = 1.)
3. SITECODE Definition: Gaging station site code Domain: place
4. WATERYEAR Definition: Water year of sample or annual summary (October-September) Units: number Domain: range (minimum = 1969.  maximum = 2019.)
5. DATE_TIME Definition: Collection date and time (PST) of the stream water sample - sample collected proportionally to streamflow from the previous sample date and time. Assume beginning date of first sample period for each collector is October 1st. Units: date as datetime type Domain: range (minimum = Oct 9 1968 12:00PM  maximum = May 22 2019 2:55PM)
6. LABNO Definition: Lab number code for sample Domain: freetext
7. TYPE Definition: Sample type indicator Domain: enum
8. INTERVAL Definition: Proportional sampling interval length in days Units: number Domain: range (minimum = 0.00  maximum = 114.00)
9. MEAN_LPS Definition: Mean discharge over the sampling interval Units: liters per second Domain: range (minimum = 0.00  maximum = 19578.00)
10. Q_AREA_CM Definition: Streamflow in cm for the time interval represented by the proportional sample Units: centimeters Domain: range (minimum = 0.00  maximum = 116.31)
11. QCODE Definition: Streamflow value qualifier code Domain: enum
12. PH Definition: pH (hydrogen concentration); method: glass electrode Units: pH units Domain: range (minimum = 4.2  maximum = 8.4)
13. PHCODE Definition: pH value qualifier code Domain: enum
14. COND Definition: Specific conductance; method: wheatstone bridge Units: micro siemens per centimeter Domain: range (minimum = 14.4  maximum = 98.0)
15. CONDCODE Definition: Conductivity value qualifier code Domain: enum
16. ALK Definition: Alkalinity as calcium carbonate (CaCO3); method: electrometric titration to pH 4.5; all data is converted from the formerly used units of bicarbonate carbon (HCO3-C) Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 41.75)
17. ALKCODE Definition: Alkalinity value qualifier code Domain: enum
18. SSED Definition: Suspended sediment concentration; method: nonfiltrable residue, gravimetric Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 5411.01)
19. SSEDCODE Definition: Suspended sediment value qualifier code Domain: enum
20. SI Definition: Silica as silicon concentration; method: automated molybdenum blue Units: milligrams per liter Domain: range (minimum = 0.15  maximum = 15.00)
21. SICODE Definition: Silica value qualifier code Domain: enum
22. UTP Definition: Unfiltered total phosphorus concentration; method: persulfate/H2SO4 digestion, ascorbic acid finish Units: milligrams per liter Domain: range (minimum = 0.005  maximum = 0.492)
23. UTPCODE Definition: Unfiltered total phosphorus value qualifier code Domain: enum
24. TDP Definition: Total dissolved phosphorus concentration; method: persulfate/H2SO4 digestion, ascorbic acid finish Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 0.493)
25. TDPCODE Definition: Total dissolved phosphorus value qualifier code Domain: enum
26. PARTP Definition: Particulate P, also known as total suspended phosphorus - not measured analytically; mathematically determined by subtraction of Total Dissolved P (TDP) from Unfiltered Total P (UTP) Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 0.478)
27. PARTPCODE Definition: Particulate P value qualifier code Domain: enum
28. PO4P Definition: Ortho phosphorus concentration, soluble reactive phosphorus, phosphate (PO4-P); method: ascorbic acid finish Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 0.109)
29. PO4PCODE Definition: Ortho phosphorus value qualifier code Domain: enum
30. UTN Definition: Total nitrogen concentration (unfiltered sample); method: persulfate digestion and analysis by automated colorimetric analysis; instrument: Technicon Auto-Analyzer II Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 2.79)
31. UTNCODE Definition: Unfiltered total nitrogen value qualifier code Domain: enum
32. TDN Definition: Total dissolved nitrogen concentration (filtered sample); method: persulfate digestion and analysis by automated colorimetric analysis; instrument: Technicon Auto-Analyzer II Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 1.01)
33. TDNCODE Definition: Total dissolved nitrogen value qualifier code Domain: enum
34. DON Definition: Dissolved organic nitrogen - not measured analytically; mathematically determined by subtracting NH3-N and NO3-N from Total dissolved nitrogen. Values before May 2005 are determined by TKN minus NH3-N. Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 0.25)
35. DONCODE Definition: Dissolved organic nitrogen value qualifier code Domain: enum
36. PARTN Definition: Particulate N, also known as total suspended nitrogen - not measured analytically; mathematically determined by subtraction of Total dissolved nitrogen (TDN) from Unfiltered Total nitrogen (UTN). Values before May 2005 are determined by UTKN minus TKN. Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 2.69)
37. PARTNCODE Definition: Particulate N value qualifier code Domain: enum
38. UTKN Definition: Total Kjeldahl nitrogen concentration on unfiltered sample; method: Kjeldahl digestion H2SO4, CuSO4/KCl, nessler finish Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 2.76)
39. UTKNCODE Definition: Unfiltered total Kjeldahl nitrogen value qualifier code Domain: enum
40. TKN Definition: Total Kjeldahl nitrogen concentration on filtered sample (dissolved); method: Kjeldahl digestion H2SO4, CuSO4/KCl, nessler finish Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 0.28)
41. TKNCODE Definition: Total Kjeldahl nitrogen value qualifier code Domain: enum
42. NH3N Definition: Ammonia-nitrogen (NH3-N) concentration, ammonia as nitrogen; method: automated phenate Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 0.749)
43. NH3NCODE Definition: NH3-N value qualifier code Domain: enum
44. NO3N Definition: Nitrate-nitrogen (NO3-N), nitrate + nitrite as nitrogen concentration; method: automated cadmium reduction Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 0.534)
45. NO3NCODE Definition: NO3-N value qualifier code Domain: enum
46. NA Definition: Na, dissolved sodium (filtrable) concentration; method flame atomic absorption spectroscopy Units: milligrams per liter Domain: range (minimum = 0.02  maximum = 6.19)
47. NACODE Definition: Na value qualifier code Domain: enum
48. K Definition: K, dissolved potassium (filtrable) concentration; method flame atomic absorption spectroscopy Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 9.50)
49. KCODE Definition: K value qualifier code Domain: enum
50. CA Definition: Ca, dissolved calcium (filtrable) concentration; method flame atomic absorption spectroscopy Units: milligrams per liter Domain: range (minimum = 0.08  maximum = 10.86)
51. CACODE Definition: Ca value qualifier code Domain: enum
52. MG Definition: Mg, dissolved magnesium (filtrable) concentration; method flame atomic absorption spectroscopy Units: milligrams per liter Domain: range (minimum = 0.31  maximum = 13.11)
53. MGCODE Definition: Mg value qualifier code Domain: enum
54. SO4S Definition: SO4-S (dissolved) concentration, sulfate as sulfur; method ion chromatography (automated barium sulfate before 1993) Units: milligrams per liter Domain: range (minimum = 0.00  maximum = 1.67)
55. SO4SCODE Definition: SO4-S value qualifier code Domain: enum
56. CL Definition: Chloride (dissolved) concentration; method: ion chromatography (automated ferric thiocyanate before 1993) Units: milligrams per liter Domain: range (minimum = 0.02  maximum = 19.28)
57. CLCODE Definition: Cl value qualifier code Domain: enum
58. DOC Definition: DOC, dissolved organic carbon concentration; method: combustion Units: milligrams per liter Domain: range (minimum = 0.19  maximum = 4.27)
59. DOCCODE Definition: DOC value qualifier code Domain: enum
60. PVOL Definition: Sample volume from streamflow porportional sampler Units: kilograms Domain: range (minimum = 0.534  maximum = 49.343)
61. PVOLCODE Definition: Sample volume code Domain: enum
62. ANCA Definition: Anion-cation ratio: micro equivalence ratio of anions to cations by calculation - provided only as an analytical check. Requires anions: ALK, SO4S, CL, NO3N, PO4P, cations: pH, Na, K, Ca, Mg, NH4N Units: number Domain: range (minimum = 0.32  maximum = 2.06)
63. ANCACODE Definition: Anion-cation ratio qualifier code Domain: enum