Sspc C-3 unit 1 Exam Questions & Answers Already Graded A+

The highest percentage of lead usage is for manufacturing of? - Answer-Batteries Three primary sources of lead in the environment today are? - Answer-Air soil water The principal source of lead to the industrial painter is through exposure to? - Answer-Lead contained in paint Lead was banned from residential uses in? And by the? - Answer-1978 us consumer product safety commission The maximum allow concentration of lead in paint packaged for sale to the retail market is_____% or _____ppm? - Answer-0.06 600 Lead in industrial coating was primarily used as a? Typically ___-___% by weight? - Answer-Corrosion inhibitor 10 40 There is no regulation prohibiting the addition of lead to an industrial coating at any concentration? true or false? - Answer-True A coating must be removed from an industrial structure if it contains greater than 5% lead by weight? True or false? - Answer-False List five construction trades which may encounter lead? - Answer-Carpenter electrician iron worker laborer painter pipe fitters plumbers roofers sheet metal workers welders List the two routes of entry of inorganic lead into the body? - Answer-Ingestion inhalation In adults or children approximately ___% of respirable lead dust enters the blood stream? - Answer-90A measure of lead absorption in the body after long periods of time is called? - Answer-Zinc protoporphyrin zpp Short term high concentration of lead exposure are known as ______ doses? - Answer-Acute Long term low-level concentration of lead exposure are know as _____doses? - Answer-Chronic List five 5 body system that are adversely affected by lead? - Answer-Gastrointestinal system central nervous system bone marrow peripheral nervous system kidneys reproductive system The body rids itself of lead primarily through the? - Answer-Urine system