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Particle Size Analysis (PSA) NIEA Methodology Mike Allen

Particle Size Analysis (PSA) NIEA Methodology Mike Allen. R. V. Capitella. 2. Day Grab 0.1m 2. 3. Sediment Sample in Grab. 4. 5. 6. 7. 8. 9. Freezer – Freeze Drier. 10. Dry Sieve at 16mm 8mm 4mm 2mm 1mm 20 min cycle. 11. Dry Sieving

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Particle Size Analysis (PSA) NIEA Methodology Mike Allen

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  1. Particle Size Analysis (PSA) NIEA Methodology Mike Allen

  2. R. V. Capitella 2

  3. Day Grab 0.1m2 3

  4. Sediment Sample in Grab 4

  5. 5

  6. 6

  7. 7

  8. 8

  9. 9

  10. Freezer – Freeze Drier 10

  11. Dry Sieve at • 16mm • 8mm • 4mm • 2mm • 1mm 20 min cycle 11

  12. Dry Sieving Star 2000 Retain <1mm Fraction for Laser Analysis 12

  13. Malvern 2000 & Hydro G 13

  14. 14

  15. 15

  16. Derived Stats 16

  17. 17

  18. Quality Assurance • Endecott annual sieve inspection • Malvern obscuration check (13-18%) • Malvern Quality Standards - glass microspheres (15-120µm) • NMBAQC PS participation 18

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