Exam (elaborations)
TCEQ IRRIGATION LICENSE STUDY GUIDE (QUESTIONS AND ANSWERS)
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TCEQ IRRIGATION LICENSE STUDY GUIDE (QUESTIONS AND ANSWERS) BPA requirements for fertilizer injection system - ANS-Reduced Pressure Principle Assembly (RPPA) (RPZ) is required when fertilizer injection are being used. Causes backsiphonage? - ANS-Caused by a negative or Sub-atmospheric pressure....
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