CWEA LAB ANALYST GRADE I VOCAB Questions and Correct Solutions 2024

CWEA LAB ANALYST GRADE I VOCAB Questions and Correct Solutions 2024 40 CFR 121- 124 - Answer -The federal storm water regulations for the permitting of municipalities and industries. Regulations define storm water terms, permitting, inspecting, and sampling measurements 40 CFR 136 - Answer -The regulations for sampling preservation and analyses of water, wastewater, and solid waste 40 CFR 403 - Answer -The federal regulations defining the elements of a pretreatment program, prohibited discharges, and the approval process for establishing a pretreatment program Acid - Answer -A compound which liberates hydrogen ions and has a pH below 7 Alkalinity - Answer -The measurement of a sample's capacity to neutralize acid Approval Authority - Answer -The agency determining whether a pretreatment program contains the necessary elements to meet the intent of the Act Atomic Weight - Answer -The sum of the number of protons and the number of neutrons in the nucleus of an atom; atomic weights of elements are found on the periodic table Base - Answer -A compound which liberates hydroxide ions and have a pH above 7 Biochemical Oxygen Demands (BOD) - Answer -The quality of oxygen utilized in the biochemical oxidation of organic matter under standard lab procedures for 5 days at 20 °C, usually expressed as a concentration (mg/L). BOD measurements are used to indicate the organic "strength" of wastewater Biological Treament - Answer -A waste treatment process by which bacteria and other microorganisms break down complex organic or inorganic (ie ammonia) materials into simple, nontoxic, more stable compounds Categorical Industrial User (CIU) - Answer -An industrial user (refer to IU) that is conducting processes subject to a categorical standard promulgated by the US EPA centrifugal pumps - Answer -pumps using centrifugal force t