Trace and toxic - Study guides, Class notes & Summaries

An industry operating an 8-hour shift, 5 days per week, generates 100,000 gallons of wastewater per shift. Their pretreatment system has a capacity of 150 gallons per minute. How long must the pretreatment facility operate to process the wastewater generated each day? - Answer-11.1 hours An industry has five sewer connections with the following discharge rates: 1) 300 gpd, 2) 75 gpd, 3) 725 gpd, 4) 1,200 gpd, 5) 200 gpd A flow-weighted composite sample of 5 liters is desired. How many milli...

Properties for Oxygen - Correct Colorless, Odorless, Transparent, and Tasteless. Has a density of 1.429 g/L 3.3ml of O2 dissolves in 100 ml of water O2 is nonflammable but greatly accelerates combustion Properties for Air - Correct Colorless, Odorless, 21% O2, 78% Nitrogren, 1% trace gases Has a density of 1.29 g/L medical grade air is produced by filtering and compressing atmospheric air Properties of Carbon Dioxide - Correct Colorless & Odorless. Does not support combustion. Used for...

NATURAL SCIENCE OFFICIAL CLEP STUDY GUIDE EXAM REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE/ Which disease is NOT genetically inherited (A) Tuberculosis (B) Phenylketonuria (C) Huntington disease (D) Cystic fibrosis (E) Tay-Sachs disease - -(A) Tuberculosis Which disease can be controlled merely through regulation of diet (A) Tuberculosis (B) Phenylketonuria (C) Huntington disease (D) Cystic fibrosis (E) Tay-Sachs disease - -(B) Phenylketonuria As a direct result of photosynthesis...

MIC 205 Exam 3 Questions with All Correct Answers Psychrophiles - Answer-cold-loving microbes Mesophiles - Answer-those growing best between 20 degrees and 40 degrees celcius; the human pathogens are in this group Thermophiles - Answer-heat loving microbes minimum growth temperature - Answer-the lowest temperature at which the species will grow optimum growth temperature - Answer-the temperature at which the species grows best maximum growth temperature - Answer-the highest temperatur...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

During your senior year you get the opportunity to travel to the Amazon rainforest. You spend a lot of time in the area of Lago Grande in Brazil as well as other parts of this vast jungle. You are in awe of all the living organisms that inhabit this particular area as well as the Amazon river that flows through the heart of the rainforest. The tropical climate is humid, but reminds you of home. What type of biological organization was described? ----- population organism community ecosystem...

Hemoglobin composition 4 heme ( 4 Fe + 1 porphryin) 1 globin ( 2 alpha 2 beta chains) Mw= 64000 Porphyria abnorm of heme synth xs production of intermediate metabolite protein unchanged change in valence of iron or organic group oxyhemoglobin O attaches to Fe ++ ( reduced hgb), replacing water molecule carry O, iron is kept at Fe++ ( ferrous) state by methemoglobin-cytochrome C reductase carboxy hemoglobin binding of CO2 is 200x stronger than for O hea...

CSMLS Graded A+ Which is the most critical part of a biological safety cabinet? a. location in the laboratory b. high efficiency particulate air filter c. personal protective equipment d. power source available ️High Efficiency Particulate Air Filter what is the function of a catalyst in a anaerobic jar? a. keeps excessive condensation from forming b. keeps toxic levels of carbon dioxide from building up c. only works properly when damp d. combines residual oxygen with hyd...

T/F. Dick Tracey owns land that is part of a superfund site. Contamination from Tracey's property constitutes 20% of the total site cleanup. Tracey is only liable for his 20% of the total cleanup costs. - Answer-false, joint & several liability T/F. Sludge Inc. has improperly disposed of hazardous wastes on its land in violation of state and federal hazmat waste disposal regulations but those violations have not been detected. sludge goes out of business in 1990 and sells the land to clean...

TEST BANK FOR TIETZ FUNDAMENTALS OF CLINICAL CHEMISTRY AND MOLECULAR DIAGNOSTICS 7TH EDITION BY CARL A. BURTIS. TABLE OF CONTENTS: I. PRINCIPLES OF LABORATORY MEDICINE 1. Clinical Chemistry, Molecular Diagnostics, and Laboratory Medicine 2. Selection and Analytical Evaluation of Methods — With Statistical Techniques 3. Clinical Evaluation of Methods 4. Evidence-Based Laboratory Medicine 5. Establishment and Use of Reference Values 6. Specimen Collection, Processing, and Other Preanalytical Var...