42. What is the approximate lethal dose for a 150lb person of a substance with an LD50 of 515g per kg, which can be considered as slightly toxic? a. A taste b. An ounce c. A cup d. A quart 43. Which of the following is part of the analysis phase of the Safety Lifecycle? a. Establishing and confirming risk tolerance criteria b. Factory acceptance testing c. Management of change d. Validation 44. In terms of consequence modeling, a storage tank from which a release of moderately toxic material to the watershed could occur is considered a(n) and the release of 7,500 pounds of that toxic material would be considered a(n) a. Impact; Consequence b. Hazard; Event c. Event ; Impact d. Consequence; Harm