What is wrong with the following statements: (a) "OK, we'll do an audit program, but we can't give a copy of the audit report to the plants! (b) "We don't need a spill plan. We don't have any spills!" (c) "Well, how good did we do? What was my score?" ( d) "We send the solvent off to a recycler so they can reuse the hazardous waste. The sludge in the degreaser? Oh, that just goes in the dumpster.

RESULTS Please give the time-absorbance values tab? Draw graph-growth curve in Excel? Find the equation of slope line? Calculate the generation time? Choose the values in log phase Abs 0.005 25 0.003 50 0.023 75 0.026 100 0.029 125 0.035 150 0.1 175 0.26 200 0.32 225 0.375 250 0.42 275 0.46 300 0.475 325 0.489 350 0.506 375 0.515 400 0.521 425 0.526 450 0.532 475 0.522 500 0.515 525 0.514 550 0.506 575 0.489 600 0.465 625 0.42 650 0.38 675 0.36 700 0,345 725 0.333 BACTERIAL GRO WTH CURVE

42. Which of the following chemicals is a persistent organic pollutant, was first used on a wide scale to kill mosquitoes during World War II, and was later used by farmers to kill other insect pests? A. aldrin, produced as an insecticide B. PCBS (polychlorinated biphenyls), produced for electrical insulation C. dioxins (like 2,4-D), produced as a byproduct of herbicides D. DDT (dichloro-diphenyl-trichloro-ethane), produced as an insecticide E. ethyl-mercaptan, produced by skunks

(ii)Briefly discuss the ethical and legal implications of disposing of industrial waste in this manner.