Name

Soil Texture and Particle Size Analysis

CHEM $425$: Environmental Chemistry

Instructions:

Answer the following questions. Place all final answers in the boxes given. Copv$-$and$-$paste any graphs to the END of the document with appropriate figure and axis labels. Please write all work on a separate paper and scan$/$photograph the work to upload in a separate document alongside this form. For repetitive calculations, only a single repetition of the calculation is necessary. Alternately, you may type up your work using the equation editor $($NOT normal text$)$ to submit.

A$.$ Particle Size Analysis by Sieving

Based on the following results for sieving, calculate the percent passing and plot a particle size distribution graph.

$\backslash$table$[[\backslash$table$[[$Sieve$],[$Number$]],\backslash$table$[[$Sieve Size$],[(mm)$

$1)$

$\%$retained $=$ mass retained$/$mass total $*100$

$2)\%$finer $=100-$ cummulative $\%$ retained

$3)$ Cu $=$ D$60/$D$10$

$4)$ Cc$=($D$30)^2/$ D$10*$ D$60$