Chapter 7.5, Problem 7.19P

(a)

Interpretation Introduction

Interpretation:

The concentration in parts per million of DDT in $\text{0}\text{.042mg}$ in $\text{1400g}$ plankton has to be calculated.

Concept Introduction:

Parts per million:  The parts per million is calculated using the formula,

  $\text{ppm=}\frac{\text{Mass}\text{of}\text{solute}\left(\text{g}\right)}{\text{Mass}\text{of}\text{solution}\left(\text{g}\right)}{\text{×10}}^{\text{6}}$

(b)

Interpretation Introduction

Interpretation:

The concentration in parts per million of DDT in $\text{5}{\text{.0×10}}^{\text{-4}}\text{g}$ in $\text{1}\text{.0 kg}$ minnow tissue has to be calculated.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The concentration in parts per million of DDT in $\text{2}\text{.0mg}$ in $\text{1}\text{.0 kg}$ needlefish tissue has to be calculated.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

The concentration in parts per million of DDT in $\text{225μg}$ in $\text{1}\text{.0 kg}$ breast milk has to be calculated.

Concept Introduction:

Refer to part (a).