Look for leaks, cracks, check seal to face for contour issues, is mask proper size/shape for face, clean shaven?, Correct any issues then repeat test. IF TEST RESULTS ARE STILL A FAIL DO NOT USE!!!!!
Do not use a improper mask and enter ANY hazardous area.
readjust the mask
readjust the mask
re adjust the mask
re-adject the mask fit
re-adjust the mask fit
Readjust the mask to fit.
re-adjust the mask fit
re-adjust the mask fit
re-adjust the mask fit.
re-adjust the mask fit
re-adjust the mask fit
re-adjust the mask fit