Cwea lab Study guides, Class notes & Summaries

CWEA Lab Analyst Grade 1 Exam Review questions and answers, rated A+/ Accuracy - -how close a measurement is to the true value adding sig figs - -smallest number of decimals Alkalinity hold time - -14 days Always add ___ to ___ - -acid to water analytical balance - -a device for determining mass that gives highly accurate measurements BOD hold time - -48 hours BOD Temp Incubator - -20+/- 1`C

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 sampling preservation and analyses of water, wastewater, and solid waste 40 CFR 403 The federal regulations defining the elements of a pretreatment program, prohibited discharges, and the approval process for establishing a pretreatment program Acid A compound which ...

Celcius - Answer-(F-32)5/9 HPC media water bath - Answer-45`C, 3hr Precision - Answer-a measure of how close a series of measurements are to one another Accuracy - Answer-how close a measurement is to the true value Electrical Fire - Answer-unplug & sodium bicarbonate analytical balance - Answer-a device for determining mass that gives highly accurate measurements top loading balance - Answer-used to determine mass; not as precise as an analytical balance triple beam balance - Answer-inst...

Celcius - Answer (F-32)5/9 HPC media water bath - Answer 45`C, 3hr Precision - Answer a measure of how close a series of measurements are to one another Accuracy - Answer how close a measurement is to the true value Electrical Fire - Answer unplug & sodium bicarbonate analytical balance - Answer a device for determining mass that gives highly accurate measurements top loading balance - Answer used to determine mass; not as precise as an analytical balance tripl...

What does COLOR measure? - Amount of color units (CU) in a sample. Color caused by natural metallic ions (Fe & Mg) & industrial wastes. What is the test summary for COLOR? - Sample -> Tubes -> Compare to color standards over light source Which of the following techniques is used to isolate anionic surfactants (as MBAS) from the sample matrix? - Extraction In the cyanide determination, which one of the following is not an interference? - Halogenated aromatics Which o...

CWEA - Lab Analyst III | Questions with 100% Correct Answers | Verified | Updated 2024

What does COLOR measure? Amount of color units (CU) in a sample. Color caused by natural metallic ions (Fe & Mg) & industrial wastes. What is the test summary for COLOR? Sample -> Tubes -> Compare to color standards over light source Which of the following techniques is used to isolate anionic surfactants (as MBAS) from the sample matrix? Extraction In the cyanide determination, which one of the following is not an interference? Halogenated aromatics Which...

CWEA Lab Analyst grade I Vocab Question and answers 2023 verified 40 CFR 121- 124 - correct 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 - correct answer The regulations for sampling preservation and analyses of water, wastewater, and solid waste 40 CFR 403 - correct answer The federal regulations defining the elements of a pretr...

1. Celcius: (F-32)5/9 2. HPC media water bath: 45`C, 3hr 3. Precision: a measure of how close a series of measurements are to one another 4. Accuracy: how close a measurement is to the true value 5. Electrical Fire: unplug & sodium bicarbonate 6. analytical balance: a device for determining mass that gives highly accurate measurements 7. top loading balance: used to determine mass; not as precise as an analytical balance 8. triple beam balance: instrument used to measure mass, less sens...

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 sampling preservation and analyses of water, wastewater, and solid waste 40 CFR 403 The federal regulations defining the elements of a pretreatment program, prohibited discharges, and the approval process for establishing a pretreatment program Acid ...