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What does DOP stand for?

4/13/20171 DOP / PAO HEPA Integrity Testing of HEPA Filtered EquipmentDOP / PAO HEPA Integrity TestingWhat does DOP stand for? DOP = DioctylPhthalate DOP is a liquid chemical which produces mono or poly dispersed test aerosol of sub micron particles, generated to challenge (evaluate integrity) of HEPA FiltersDOP / PAO HEPA Integrity TestingDefinition of HEPA High Efficiency Particulate Arresting Filter that is at least efficient in collecting a micrometer / PAO HEPA Integrity Testing4/13/20172 Clean HEPA FilterDOP / PAO HEPA Integrity TestingWhat does DOP stand for?

4/13/2017 1 DOP / PAO HEPA Integrity Testing of HEPA Filtered Equipment DOP / PAO HEPA Integrity Testing What does DOP stand for?

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1 4/13/20171 DOP / PAO HEPA Integrity Testing of HEPA Filtered EquipmentDOP / PAO HEPA Integrity TestingWhat does DOP stand for? DOP = DioctylPhthalate DOP is a liquid chemical which produces mono or poly dispersed test aerosol of sub micron particles, generated to challenge (evaluate integrity) of HEPA FiltersDOP / PAO HEPA Integrity TestingDefinition of HEPA High Efficiency Particulate Arresting Filter that is at least efficient in collecting a micrometer / PAO HEPA Integrity Testing4/13/20172 Clean HEPA FilterDOP / PAO HEPA Integrity TestingWhat does DOP stand for?

2 Dioctyl Phthalate is no longer widely used for HEPA Integrity Testing in our industry. DOP was determined to be a carcinogen and has been replaced in most test / PAO HEPA Integrity TestingWhat is DOP Testing? When a DOP Test is being performed, the Technician is challenging the HEPA Filter and equipment to determine if it is operating at the rated filter / equipment / PAO HEPA Integrity Testing4/13/20173 what does PAO stand for? PAO = Poly Alfa Olefin PAO is a liquid chemical which produces mono or poly dispersed test aerosol of sub micron particles, generated to challenge (evaluate integrity) of HEPA FiltersDOP / PAO HEPA Integrity TestingWhy is the Testing still called DOP?

3 PAO as a name has never been able to The Testing is still referred to as / PAO HEPA Integrity TestingWhat Equipment should be tested? HEPA Filtered Negative Air Machines. Used to exhaust filtered air out of an enclosed hazardous material abatement work area, for the purpose of establishing and maintaining a negative pressure with respect to the surrounding area. HEPA Filtered Vacuums. A vacuum device fitted with a ( micrometer) high efficiency particulate arresting filter removal system. Any other HEPA Filtered equipment used on site to control hazardous particulate during abatement, remediation and construction projects such as air scrubbers / PAO HEPA Integrity Testing4/13/20174 what Efficiency is the equipment Tested too?

4 The equipment is Tested to determine if it is operating at the efficiency rating of the HEPA Filter. This filter efficiency rating must be clearly labelled on the Filter by the manufacturer. Typically %DOP / PAO HEPA Integrity TestingEfficiency Rating LabelDOP / PAO HEPA Integrity TestingEfficiency Rating LabelDOP / PAO HEPA Integrity Testing4/13/20175 Why should you DOP Test this equipment? Protect your workers. Equipment that is not operating at the correct efficiency puts your workers at risk of being exposed to Hazardous and potentially Hazardous / PAO HEPA Integrity TestingWhy should you DOP Test this equipment?

5 Protect the Public Many projects require Negative Air Machines and HEPA Filtered Vacuums to be vented back into the building. If your equipment is not operating at the correct efficiency, the unprotected building occupants are at risk of being exposedto Hazardous and potentially Hazardous / PAO HEPA Integrity TestingWhy should you DOP Test this equipment? Protect the Public Often HEPA Filtered equipment is vented outside of the building during abatement projects. If your equipment is not operating at the correct efficiency, there is potential for other individuals to be exposed to Hazardous and potentially Hazardous / PAO HEPA Integrity Testing4/13/20176 Why should you DOP Test this equipment?

6 Equipment often gets damaged during transport to and from job sites. Equipment is typically transported in various work trucks and van s. Un secured Scaffolding gets put in Dropped off loading Transported up and down / PAO HEPA Integrity TestingWhy should you DOP Test this equipment? Equipment often gets damaged on scenarios Negative Air Pre Filters not used or changed when required. Over loads HEPA Filter creating holes. Vacuum HEPA Filters removed to increase CFM. Vacuum bags for bulk collection not / PAO HEPA Integrity TestingDamaged HEPA FilterDOP / PAO HEPA Integrity Testing4/13/20177 Damaged HEPA FilterDOP / PAO HEPA Integrity TestingEquipment often gets damaged on site Equipment not used for intended purpose.

7 Dry HEPA Vacuums used for wet applications. When wet HEPA s dry out they become brittle and weak. At that point the normal operating CFM of the equipment will create holes. Wet HEPA s are a perfect environment for Mold growth. HEPA Vacuums used as ladders and stools. Cracks lids and motor / PAO HEPA Integrity TestingEquipment not used for intended purpose Negative Air Machines used for bulk dust collection. Drywall dust. Concrete cutting. Negative Air Machines exposed to excess water moisture. When wet HEPA s dry out they become brittle and weak.

8 At that point the normal operating CFM of the equipment will create holes. Wet HEPA s are a perfect environment for Mold / PAO HEPA Integrity Testing4/13/20178 Why should you DOP Test this equipment? Missing, worn or damaged parts. Many parts can be misplaced during regular maintenance or loosened during regular use. Negative Air Clips. Negative Air Brackets. Broken or Loose Seals. Missing or Damaged Vacuum / PAO HEPA Integrity TestingMissing Negative Air ClipsDOP / PAO HEPA Integrity TestingMissing Negative Air BracketsDOP / PAO HEPA Integrity Testing4/13/20179 Broken or Loose SealsDOP / PAO HEPA Integrity TestingMissing Vacuum GasketDOP / PAO HEPA Integrity TestingMissing Vacuum GasketDOP / PAO HEPA Integrity Testing4/13/201710 Why should you DOP Test this equipment?

9 Missing HEPA Filters Most common with Vacuums. Filters are removed after a job or when they have become wet and are not replaced. Poor Maintenance / Repair procedures are the main cause for missing HEPA / PAO HEPA Integrity TestingWhen should the equipment be DOP Tested? HEPA Filtered Vacuums. Vacuums should be tested a minimum of every 3 months regardless of location of exhausting and frequency of use. Note; if the Vacuum is being used to create negative pressure within an enclosure, negative air machine testing procedures shouldbe / PAO HEPA Integrity TestingHEPA Filtered Vacuums Vacuums should be tested whenever maintenance work is conducted such as changing or repair of HEPA Filters.

10 Working on motors or any other maintenance that will affect the seal or the integrity of the / PAO HEPA Integrity Testing4/13/201711 Typical HEPA Filtered VacuumDOP / PAO HEPA Integrity TestingLid RemovedDOP / PAO HEPA Integrity TestingRemoving HEPA from LidDOP / PAO HEPA Integrity Testing4/13/201712 HEPA RemovedDOP / PAO HEPA Integrity TestingHEPA ReplacementDOP / PAO HEPA Integrity TestingWhen should the equipment be DOP Tested? HEPA Filtered Negative Air Machines. Units should be tested for each project on site where the exhaust from the unit is vented indoors or near exterior HVAC systems.