| FractionName | FractionDescr | LastUpdateDate | | <0.0039 mm | Clay <0.0039 mm particle size Phi >8;Wentworth Scale | 2011-09-08 |
| <0.005 mm | Clay <0.005 mm particle size;ASTM Scale | 2011-09-08 |
| <0.0625 mm | Fines <0.0625 mm; Passing No 230 Sieve;Wentworth Scale | 2011-10-19 |
| <0.075 mm | Fines <0.075mm particle size; Passing No. 200 Sieve;ASTM Scale | 2011-10-19 |
| <0.98 nm | Colliod; <0.98 nm Phi >10.5 | 2020-03-13 |
| <2.0 mm | Sand + Fine <2.0 mm Phi >-1;Wentworth Scale | 2014-08-19 |
| =>256 mm | Boulder =>256 mm particle size or Phi =<-8;Wentworth Scale | 2011-10-19 |
| =>300 mm | Boulder =>300 mm particle size;ASTM Scale | 2011-10-19 |
| 0.0039 to <0.0625 mm | Silt 0.0039 to <0.0625 mm particle size Phi 8 to >4;Wentworth Scale | 2011-09-08 |
| 0.005 to <0.075 mm | Silt 0.005 to <0.075 mm particle size;ASTM Scale | 2011-09-08 |
| 0.0625 to <2.0 mm | Sand 0.0625 to <2.0 mm particle size or Phi 4 to >-1;Wentworth Scale | 2011-09-08 |
| 0.075 to <4.75 mm | Sand 0.075 to <4.75 mm particle size;ASTM Scale | 2011-09-08 |
| 2.0 to <4.0 mm | Granule 2.0 to <4.0 mm particle size or Phi -1 to >-2;Wentworth Scale | 2011-09-08 |
| 2.0 to <64 mm | Granule + Pebble 2.0 to <64 mm particle size or Phi -1 to >-6;Wentworth Scale | 2011-09-08 |
| 4 to <64 mm | Pebble 4 to <64 mm particle size or Phi -2 to >-6;Wentworth Scale | 2011-09-08 |
| 4.75 to <75 mm | Gravel 4.75 to <75 mm particle size;ASTM Scale | 2011-09-08 |
| 64 to <256 mm | Cobble 64 to <256 mm particle size or Phi -6 to >-8;Wentworth Scale | 2011-09-08 |
| 75 to <300 mm | Cobble 75 to <300 mm particle size;ASTM Scale | 2011-09-08 |
| Above | above waterline;Reg2 trash Assesment | 2007-09-01 |
| Above Bankfull Channel | Above Bankfull Channel | 2008-03-28 |
| Below | below waterline;Reg2 trash Assesment | 2007-09-01 |
| Chlora | Part of Battery voltage recorded | 2012-04-23 |
| Clay | Fraction of Analyte Fine, Descriptor Used with Grain size analysis (ASTM Method) | 2007-09-01 |
| Coarse 0.00195 to <0.0027 mm | Coarse Silt; 0.00195 to <0.0027 mm Phi 5 to >4;Wentworth Scale | 2020-01-28 |
| Coarse 0.00195 to <0.0039 mm | Coarse Clay; 0.00195 to <0.0039 mm Phi 9 to >8;Wentworth Scale | 2007-09-01 |
| Coarse 0.0027 to <0.0039 mm | Coarse Silt; 0.0027 to <0.0039 mm Phi 5 to >4;Wentworth Scale | 2020-01-28 |
| Coarse 0.031 to <0.044 mm | Coarse Silt; 0.031 to <0.044 mm Phi 5 to >4;Wentworth Scale | 2020-01-28 |
| Coarse 0.031 to <0.0625 mm | Coarse Silt; 0.031 to <0.0625 mm Phi 5 to >4;Wentworth Scale | 2009-08-19 |
| Coarse 0.044 to <0.0625 mm | Coarse Silt; 0.044 to <0.0625 mm Phi 5 to >4;Wentworth Scale | 2020-01-28 |
| Coarse 0.5 to <0.71 mm | Coarse Sand; 0.5 to <0.71 mm Phi 1 to >0;Wentworth Scale | 2020-01-28 |
| Coarse 0.5 to <1.0 mm | Coarse Sand; 0.5 to <1.0 mm Phi 1 to >0;Wentworth Scale | 2009-08-19 |
| Coarse 0.71 to <1 mm | Coarse Sand; 0.71 to <1.0 mm Phi 1 to >0;Wentworth Scale | 2020-01-28 |
| Coarse 2.0 to <4.75 mm | Coarse Sand 2.0 to <4.75 mm;ASTM Scale | 2007-09-01 |
| Dissolved | Material that passes through a filter no larger than 1.0 um or as defined by the analysis method | 2013-03-04 |
| Fecal | Used with Coliform | 2007-09-01 |
| Fine <0.0005 mm | Fine Clay; <0.0005 mm Phi >10;Wentworth Scale | 2022-01-27 |
| Fine <0.00098 mm | Fine Clay; <0.00098 mm Phi >10;Wentworth Scale | 2007-09-01 |
| Fine 0.000086 to <0.00012 mm | Fine Clay; 0.000086 to <0.00012 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.00012 to <0.00017 mm | Fine Clay; 0.00012 to <0.00017 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.00017 to <0.00024 mm | Fine Clay; 0.00017 to <0.00024 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.00024 to <0.00035 mm | Fine Clay; 0.00024 to <0.00035 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.00035 to <0.00049 mm | Fine Clay; 0.00035 to <0.00049 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.00049 to <0.00069 mm | Fine Clay; 0.00049 to <0.00069 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.0005 to <0.00098 mm | Fine Clay; 0.0005 to <0.00098 mm Phi >10;Wentworth Scale | 2022-01-27 |
| Fine 0.00069 to <0.00098 mm | Fine Clay; 0.00069 to <0.00098 mm Phi >10;Wentworth Scale | 2020-01-28 |
| Fine 0.0078 to <0.0110 mm | Fine Silt; 0.0078 to <0.0110 mm Phi 7 to >6;Wentworth Scale | 2020-01-28 |
| Fine 0.0078 to <0.0156 mm | Fine Silt; 0.0078 to <0.0156 mm Phi 7 to >6;Wentworth Scale | 2007-09-01 |
| Fine 0.0110 to <0.0156 mm | Fine Silt; 0.0110 to <0.0156 mm Phi 7 to >6;Wentworth Scale | 2020-01-28 |
| Fine 0.075 to <0.106 mm | Fine Sand 0.075 to <0.106 mm particle size;ASTM Scale | 2013-07-22 |
| Fine 0.075 to <0.425 mm | Fine Sand 0.075 to <0.425 mm;ASTM Scale | 2007-09-01 |
| Fine 0.106 to <0.250 mm | Fine Sand 0.106 to <0.250 mm particle size;ASTM Scale | 2013-07-22 |
| Fine 0.125 to <0.177 mm | Fine Sand; 0.125 to <0.177 mm Phi 3 to >2;Wentworth Scale | 2020-01-28 |
| Fine 0.125 to <0.25 mm | Fine Sand; 0.125 to <0.25 mm Phi 3 to >2;Wentworth Scale | 2009-08-19 |
| Fine 0.177 to <0.25 mm | Fine Sand; 0.177 to <0.25 mm Phi 3 to >2;Wentworth Scale | 2020-01-28 |
| Fine 0.250 to <0.425 mm | Fine Sand 0.250 to <0.425 mm particle size;ASTM Scale | 2013-07-22 |
| First Supplemental | First Supplemental | 2008-03-28 |
| Fixed | Fixed | 2016-09-06 |
| In Bankfull Channel | In Bankfull Channel | 2008-03-28 |
| Large 128 to <256 mm | Large Cobble; 128 to <256 mm Phi -7 to >-8;Wentworth Scale | 2007-09-01 |
| Large 16 to <32 mm | Large Pebble; 16 to <32 mm Phi -4 to >-5;Wentworth Scale | 2007-09-01 |
| Main | Main | 2008-03-28 |
| Medium 0.00098 to <0.00138 mm | Medium Silt; 0.00098 to <0.00138 mm Phi 6 to >5;Wentworth Scale | 2020-01-28 |
| Medium 0.00098 to <0.00195 mm | Medium Clay; 0.00098 to <0.00195 mm Phi 10 to >9;Wentworth Scale | 2007-09-01 |
| Medium 0.00138 to <0.00195 mm | Medium Silt; 0.00138 to <0.00195 mm Phi 6 to >5;Wentworth Scale | 2020-01-28 |
| Medium 0.0156 to <0.022 mm | Medium Silt; 0.0156 to <0.022 mm Phi 6 to >5;Wentworth Scale | 2020-01-28 |
| Medium 0.0156 to <0.031 mm | Medium Silt; 0.0156 to <0.031 mm Phi 6 to >5;Wentworth Scale | 2007-09-01 |
| Medium 0.022 to <0.031 mm | Medium Silt; 0.022 to <0.031 mm Phi 6 to >5;Wentworth Scale | 2020-01-28 |
| Medium 0.25 to <0.35 mm | Medium Sand; 0.25 to <0.35 mm Phi 2 to >1;Wentworth Scale | 2020-01-28 |
| Medium 0.25 to <0.5 mm | Medium Sand; 0.25 to <0.5 mm Phi 2 to >1;Wentworth Scale | 2007-09-01 |
| Medium 0.35 to <0.5 mm | Medium Sand; 0.35 to <0.5 mm Phi 2 to >1;Wentworth Scale | 2020-01-28 |
| Medium 0.425 to <0.850 mm | Medium Sand 0.425 to <0.850 mm particle size;ASTM Scale | 2013-07-22 |
| Medium 0.425 to <2.0 mm | Medium Sand 0.425 to <2.0 mm;ASTM Scale | 2007-09-01 |
| Medium 0.850 to <2.0 mm | Medium Sand 0.850 to <2.0 mm particle size;ASTM Scale | 2013-07-22 |
| Medium 8 to <16 mm | Medium Pebble; 8 to <16 mm Phi -3 to >-4;Wentworth Scale | 2009-08-19 |
| None | None | 2016-08-09 |
| Not Recorded | not recorded | 2007-09-01 |
| Particulate | Particulate portion of sample (after filtration), used when the possibility of a "total" fraction exists | 2008-11-06 |
| Particulate, Coarse =>0.0625 mm | Suspended Sediment Particles that are => 0.0625 mm | 2017-03-23 |
| Particulate, Fine <0.0625 mm | Suspended Sediment Particles that are < 0.0625 mm | 2017-03-23 |
| Second Supplemental | Second Supplemental | 2008-03-28 |
| Silt | Fraction of Analyte Fine, Descriptor Used with Grain size analysis (ASTM Method) | 2007-09-01 |
| Small 4 to <8 mm | Small Pebble; 4 to <8 mm Phi -2 to >-3;Wentworth Scale | 2007-09-01 |
| Small 64 to <128 mm | Small Cobble; 64 to <128 mm Phi -6 to >-7;Wentworth Scale | 2007-09-01 |
| Third Supplemental | Third Supplemental | 2012-06-01 |
| Total | A whole quantity; for example unfiltered or sum of all isomers | 2007-10-02 |
| Total + Organic | Total + Organic | 2011-09-29 |
| Unionized | unionized | 2007-10-09 |
| V. Coarse 1 to <1.41 mm | Very Coarse Sand; 1.0 to <1.41.0 mm Phi 0 to >-1;Wentworth Scale | 2020-01-28 |
| V. Coarse 1.0 to <2.0 mm | Very Coarse Sand; 1.0 to <2.0 mm Phi 0 to >-1;Wentworth Scale | 2007-09-01 |
| V. Fine 0.0039 to <0.0055 mm | Very Fine Silt; 0.0039 to <0.0055 mm Phi 8 to >7;Wentworth Scale | 2020-01-28 |
| V. Fine 0.0039 to <0.0078 mm | Very Fine Silt; 0.0039 to <0.0078 mm Phi 8 to >7;Wentworth Scale | 2007-09-01 |
| V. Fine 0.0055 to <0.0078 mm | Very Fine Silt; 0.0055 to <0.0078 mm Phi 8 to >7;Wentworth Scale | 2020-01-28 |
| V. Fine 0.0625 to <0.088 mm | Very Fine Sand; 0.0625 to <0.088 mm Phi 4 to >3;Wentworth Scale | 2020-01-28 |
| V. Fine 0.0625 to <0.125 mm | Very Fine Sand; 0.0625 to <0.125 mm Phi 4 to >3;Wentworth Scale | 2007-09-01 |
| V. Fine 0.075 to <0.125 mm | Very Fine Sand; 0.075 to <0.125 mm Phi 4 to >3;Wentworth Scale | 2022-01-27 |
| V. Fine 0.088 to <0.125 mm | Very Fine Sand; 0.088 to <0.125 mm Phi 4 to >3;Wentworth Scale | 2020-01-28 |
| V. Fine to Course 0.0625 to <1.0 mm | Very Fine to Course Sand; 0.0625 to <1.0 mm particle size or Phi 4 to >0;Wentworth Scale | 2011-11-10 |
| V. Fine to Medium 0.0039 to <0.031 mm | Very Fine to Medium Silt; 0.0039 to <0.031 mm particle size Phi 8 to >5;Wentworth Scale | 2012-04-02 |
| V. Fine to Medium 0.0625 to <0.5 mm | Very Fine to Medium Sand; 0.0625 to <0.5 mm particle size or Phi 4 to >1;Wentworth Scale | 2012-04-02 |
| V. Large 32 to <64 mm | Very Large Pebble; 32 to <64 mm Phi -5 to >-6;Wentworth Scale | 2007-09-01 |
| Volatile | Volatile | 2011-09-29 |
| Weak Acid Dissociable | Weak Acid Dissociable | 2011-01-26 |
