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EPA 608 Certification Core Questions and answer 2023/2024 complete solution.

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? July 1, 1992. What is the ozone layer and why is it important to us on Earth? Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? Chlorine. What is an ozone molecule made of? Three oxygen atoms (O3). Which ...

EPA 608 Certification Core Practice Test – Q/A

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? July 1, 1992. What is the ozone layer and why is it important to us on Earth? Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? Chlorine. What is an ozone molecule made of? Three oxyg...

EPA 608 Certification Core Questions.

EPA 608 Certification Core Practice Test Q&A

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - Correct answer-July 1, 1992. What is the ozone layer and why is it important to us on Earth? - Correct answerProtective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? - Correct answer-Chlorine. What is an ozone m...

EPA 608 Certification Core Practice Test Questions and Answers [Approved Solutions] As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? July 1, 1992. What is the ozone layer and why is it important to us on Earth? Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere i...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? July 1, 1992. What is the ozone layer and why is it important to us on Earth? Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? Chlorine. What is an ozone molecule made of? Three oxygen a...