11.07.2014 Views

treasure valley road dust study: final report - ResearchGate

treasure valley road dust study: final report - ResearchGate

treasure valley road dust study: final report - ResearchGate

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Table A-14. Laboratory Silt Analysis of Summer 2001 Maple Grove Sample<br />

Date: 8/28/01<br />

Technician:KAS<br />

Project:BOISE<br />

Sample<br />

ID:RS627<br />

BOISL031,032,033<br />

Gross weight of sample _313.1g___________<br />

Sieving:<br />

pan sample diff % diff<br />

Tare 724.5<br />

20 min 749.2 24.7<br />

30 min 749.6 25.1 0.4 1.6<br />

40 min 0 -724.5 -749.6 103.5<br />

Mass Determination<br />

.<br />

Screen<br />

Tare weight (g) Final Weight(g) Sample weight(g)<br />

Lid 222 222.5 0.5<br />

1/4 inch 488.9 489.1 0.2<br />

4 mesh 445.9 446.4 0.5<br />

18 mesh 368.5 398.9 30.4<br />

30 mesh 431.3 445.3 14<br />

50 mesh 405.9 418.3 12.4<br />

100 mesh 378.6 389.5 10.9<br />

200 mesh 375.8 388.6 12.8<br />

Pan (+400*) 724.5 749.6 25.1<br />

Total Stack 3841.4 3948.2 106.8<br />

Total Stack+sample 3948.4<br />

Silt Calculation<br />

Total stack 3948.2<br />

Tare stack 3841.4<br />

Total sample 106.8<br />

Silt (

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!