CWEA Lab Analyst grade I Vocab Questions with complete solutions
3 views 0 purchase
Course
Cwea
Institution
Cwea
CWEA Lab Analyst grade I Vocab Questions with complete solutions
40 CFR 121- 124
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
The regulations for ...
CWEA Lab Analyst grade I Vocab Questions with complete solutions
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 to convey liquid. Discharge
will vary according to inlet and discharge pressure
Chain-of- Custody - answer A legal record (which may be a series of records) of each person who had possession of an environmental sample, from the person releasing the sample, to the person who collected the sample, to the person who analyzed the sample in the laboratory, to the person who witnessed the disposal of the sample
Chemical Oxygen Demand (COD) - answer The amount of oxygen (expressed in mg/L) consumed from the oxidation of pollutants during a specific test
As such, COD is a measure of the oxygen-consuming capacity of the pollutant present in wastewater. The results of the COD test are not necessarily related to the BOD, because the chemical oxidant responsible for utilizing the oxygen may react with substances which bacteria do no stabilize.
Cipolletti Water - answer A trapezoidal sharp-crested weir for measurement of liquid discharge in open channels
Clean Water Act (CWA) - answer Public law (PL 92-500) enacted in 1972, which sets the framework for the imposition of industrial wastewater control programs on municipalities and the regulation of industrial users.
CWA Sections 307(b)(c) sets forth the authority for the US EPA to est pretreatment standards for existing and new sources discharging industrial wastewater to publicly owned treatment works (POTWs)
Composite Samples - answer A collection of individual samples obtained at regular intervals, based either on flow or time. (The individual samples are combined proportionally)
Concentration Based Discharge Limits - answer Allowable concentration of a pollutant in wastewater discharges, usually expressed as a concentration (mg/L) in the discharge
Confined Space - answer A space, which has limited openings for entry/exit, has unfavorable natural ventilation which could contain or produce dangerous air contaminants (or create an atmosphere of oxygen deprivation), and which is not intended for continuous employee occupations. A permit may be required under OSHA to enter a confined space
Control Authority - answer The agency responsible for implementing a pretreatment program
Conventional Pollutants - answer Those pollutants, which are usually found in domestic, commercial or industrial wastes ( such as suspended solids or biochemical oxygen demand) that POTWs are designed to treat
Density - answer The relationship between weight and volume (ie g/cm3 or lbs/gal)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
