SSPC - C3 - Unit 1 EXAM QUESTIONS AND ANSWERS 100% score (Newest 2025) What is the highest percentage of lead usage is for manufacturing? - Correct Answers ✅Battery What is the 3 primary sources of lead in the environment today include lead in? - Correct Answers ✅Air , Soil and Water which is the principal source of lead to the industrial painter is through exposure to? Air , Water or Soil - Correct Answers ✅Soil I what year lead was banned from residential ? - Correct Answers ✅1970 What is the allowance concentration of lead in pain packaged for sale to the retail market? - Correct Answers ✅0.06 % or 600 ppm Lead in industrial coatings was primary used as - Correct Answers ✅Corrosive True or Falls, There is no regulation prohibiting the addition of lead to an industrial coating at any concentration - Correct Answers ✅True
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