1 ppb - Study guides, Class notes & Summaries

What number of PPB approaches one PPM? 1,000 sections for each billion equivalents one section for every million In the event that the bubbler framework air supply line at the wet well is obstructed, what will this prompt the siphon to do? Pressure develop in the stock line would flag more water section then there truly was, making the siphon run longer than needed, perhaps not start off and run constantly On the off chance that the bubbler framework air supply line at the wet well has a...

EPA LEAD INSPECTOR FINAL EXAM QUESTIONS WITH VERIFIED ANSWERS 2024/2025 | SOLVED. Dust sample clearance values - ANSWER- - Floors: 40 μg/ft2 > 10 μg/ft2 (10 μg/ft2 in NY) - Windows: 250 μg/ft2 > 100 μg/ft2 (50 μg/ft2 in NY) - Window wells (troughs): 400 μg/ft2 (100 μg/ft2 in NY) - Samples must be at 1 sq ft > 2 sq ft (can be reduced to 1 sq ft if within 10 μg) EPA Soil Regulations - ANSWER- - 400 ppm for playgrounds/children's areas - 1200 ppm for rest of yard - There mus...

PPAI CAS Exam Study Prep Explain how the promotional products industry came to be - 1789 Washington's commemorative buttons, 1800's calendars and wood items, imprinted horse covers and book bags Summarize the creation and beginnings of PPAI as an organization - 1904 the advertising manufacturer's association began with 12 members, 1912 promo products recognized as a media by advertising federation of America, 1914 first trade show with 32 exhibitors, 1920 advertising specialty asso...

1%= ___ppm correct answers10,000 Allowable amount of lead in dry surface paint wit hXRF correct answers1.0mg/cm2 allowed quantity of lead in dry surface paint with paint chip testing correct answers5000ppm = 5% by weight dust clearance for floors correct answers40 ug/ft2 dust clearance window sills correct answers250ug/ft2 dust clearance for wells correct answers400 ug/ft2 dust clearance for outside concrete correct answers800 ug/ft2 clearance for in soil high contact correc...

PPb parts per billion PEL permissible exposure limits: developed by OSHA to indicate the max airborne concentration of a contaminant to which an employee may be exposed over the duration specified by the type of PEL. Ug microgram 30 ug The level of action Hud recommends temporary relocation of residence for jobs lasting more than? 5 conservative days When dust and debris spread beyond blank feet follow high dust methods 6 feet Post warning signs on the building and at a blank perimeter around bu...

Microbes are _________% pathogenic CORRECT ANSWER <1 ubiquitous CORRECT ANSWER bacteria are found everywhere in a bunch of different environments Bioremediation CORRECT ANSWER process that uses naturally occurring or genetically engineered microorganisms to consume or break down pollutants and toxins Pseudomonas sp. CORRECT ANSWER breaks down crude oil for energy successful bioremediation needs CORRECT ANSWER microbes, water, and oxygen amount of waste deposited into landfills ...

Fundamental problem of economics: correct answers Scarcity of resources relative to human wants Scarcity is a problem that correct answers Exists due to finite resources and unlimited human wants Which is not a factor of production a) bulldozer b) mechanic c) farmhand d) tractor e) haircut correct answers haircut Opportunity cost measures correct answers Amount of 1 good forfeit to obtain unit of other good If a DVD costs $20 and a videocassette costs $10, opportunity cost of 5 ...

EPA Lead Exam Questions & Answers 1%= ___ppm - ANS-10,000 Allowable amount of lead in dry surface paint wit hXRF - ANS-1.0mg/cm2 allowed quantity of lead in dry surface paint with paint chip testing - ANS-5000ppm = 5% by weight dust clearance for floors - ANS-40 ug/ft2 dust clearance window sills - ANS-250ug/ft2 dust clearance for wells - ANS-400 ug/ft2 dust clearance for outside concrete - ANS-800 ug/ft2 clearance for in soil high contact - ANS-400 ppm clearnce for soil in low contact ...

EPA Lead exam Questions with complete solution 1%= ___ppm - correct answer 10,000 Allowable amount of lead in dry surface paint wit hXRF - correct answer 1.0mg/cm2 allowed quantity of lead in dry surface paint with paint chip testing - correct answer 5000ppm = 5% by weight dust clearance for floors - correct answer 40 ug/ft2 dust clearance window sills - correct answer 250ug/ft2 dust clearance for wells - correct answer 400 ug/ft2 dust clearance for outside concrete...