1 ppb - Study guides, Class notes & Summaries

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 perimet...

EPA Lead Inspector questions and answers latest top score. Lead-based paint (LBP) - correct answers.Any varnish, shallac, or coating that contains either- 1.0 mg/cm2 - 0.5 % by weight - 5000 ppm - Older instruments could not read accurately at 0.7, so the lead standard was updated to 1.0 Dust sample clearance values - correct answers.- 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 (troug...

Lead-based paint (LBP) correct answers Any varnish, shallac, or coating that contains either- 1.0 mg/cm2 - 0.5 % by weight - 5000 ppm - Older instruments could not read accurately at 0.7, so the lead standard was updated to 1.0 Dust sample clearance values correct answers - 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 r...

Illinois Lead Risk Assessor Guide – 2022/2023 Already Passed Water Lead Action Level 5 ppb Soil High Contact Area Action Level 400 ppm Soil General Action Level 1200 ppm Soil Abatement Level 5000 ppm Soil IDPH Regulatory Level 1000 ppm Paint Chip - HUD hazard level 5000 ppm or 0.5% Lead by weight Consumer Product Safety Commission (CPSC) - Regarding Lead Banned new paint containing more than 90 ppm (or 0.009%) lead for residential use. T/F: There is a ban for LBP in an industrial settin...

10 ug/ft2 floors 10 ug/ft2 interior windows, sills or stools 100 ug/ft2 window troughs or window well 50 ug/m3 Osha permissible exposure limit 30 ug/m3 Osha action level - Requires 2 hr training & 1 blood test Drinking Water Levels 15 ppb (parts-per-billion) Lead soil levels 400 ppm (parts-per-million) Lead soil Levels (2) 5000 ppm (parts-per-million) HUD requires abatement of soil hazard BLOOD LEAD LEVELS - Children 5 ug/dl requir...

Wastewater Treatment Operator Certification Test #4 Questions and Answers 100% VerifiedWastewater Treatment Operator Certification Test #4 Questions and Answers 100% VerifiedWastewater Treatment Operator Certification Test #4 Questions and Answers 100% VerifiedWastewater Treatment Operator Certification Test #4 Questions and Answers 100% Verified 1 mg/l is the same as 1 part per billion (ppb) True or False - ANSWER-False (v.1 pg 468) A SCADA system is capable of monitoring and controlling...

EPA Lead Inspector Latest Update Graded A+ Lead-based paint (LBP) Any varnish, shallac, or coating that contains either- 1.0 mg/cm2 - 0.5 % by weight - 5000 ppm - Older instruments could not read accurately at 0.7, so the lead standard was updated to 1.0 Dust sample clearance values - 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 &...

EPA Lead Course Latest Update Graded A+ ug/g microgram per gram ug/ft2 microgram per foot square (dust sampling) mg/cm2 milligrams per centimeter squared (XRF) ug/dL microgram per deci-liter ug/m3 microgram per deci-liter (quantity in blood) 1% 10,000 ppm Allowed quantity of lead in dry surface paint when testing with XRF. 1.0 mg/cm2 Allowed quantity of lead in dry surface paint when testing with paint chip 5000 ppm Allowed quantity of lead in dry surface paint by weight .5% = 5000ppm ...

ubiquity CORRECT ANSWER the fact of appearing everywhere or of being very common Biomediation CORRECT ANSWER the use of naturally occurring or genetically modified microbes to degrade/detoxify the environment Through bioremediation... CORRECT ANSWER Level of pesticides can be reduced by 96% Heavy metals can be detoxified Solvents can be reduced from 1 million ppb to <10 ppb Bioremediation requires... CORRECT ANSWER Microbes, Water, Oxygen Waste Management CORRECT ANSWER using mi...

Wastewater Treatment Operator Certification Test #4 | Questions and Correct Solutions 2024/2025 1 mg/l is the same as 1 part per billion (ppb) True or False - Answer - False (v.1 pg 468) A SCADA system is capable of monitoring and controlling equipment from a remote location True or False - Answer - True (v.2 pg 627) A Discharge Monitoring Report is typically submitted to the regulatory agency on a daily basis True or False - Answer - False A mechanical seal is used to prevent leaks b...