$1.$

BOD

$5$

Calculation with Seeding

Sample

Initial DO

$($mg$/$L$)$

Final DO

$($mg$/$L$)$

Dilution

Factor

Volume of Seed Added

$($mL$)$

Wastewater Sample

$9\mathrm{.}2$

$3\mathrm{.}1$

$1$:$30$

$10$

Seeded Control

$($Blank$)$

$8\mathrm{.}9$

$8\mathrm{.}3$

N$/$A

$10$

Calculate the BOD

$5$

of the wastewater sample accounting for the seed correction. What is the corrected

BOD

$5$

value?