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NIOSH Recommendation of Respirator Discontinuation of Use

NIOSH recently determined NIOSH-certified N95 respirators with the following approval numbers:

TC-84A-4363, TC-84A-4364, TC-84A-4394 and TC-84A-4665,

produced by Champak Enterprise Co., Ltd before February 2010 may, in limited situations, not meet the filtration efficiency requirements specified in Title 42, Code of Federal Regulations, Part 84 due to faults in internal testing procedures. Please discontinue use of these products until further notice.

Additional information available at spotlights.