Air Purity - clean air services
Clean air services for professionals
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safety and training options for dive professionals

air testing

Air PURITY
testing

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In accordance with WorkSafe regulation AS/NZS 2299.1, it is a requirement for compressor operators to have supplied air tested on a 3-month period.

air filler certification

Air Filler
certificates

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All personal operating a dive tank filler must hold WorkSafe approved certification,in accordance with the Hazardous Substances Compressed Gas Regulations. This applies to the filling of all dive cylinders, whether from a commercial or private premise.

ROC cylinder tags

ROC
Cylinder tags

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The 'Ring of Confidence’ (ROC), cylinder tag is a coloured disc secured to a dive tank during the annual inspection of scuba dive cylinders. Air Purity is the exclusive provider of ROC tags.

dive activity supervisor

DAS

Dive Activity Supervisor
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A Maritime NZ recognised two-day course covering a range of professional boating and diving best practice principals and is available for any diver or boat crew over the age of 18.

Master small commercial dive boat

MSCDB

Master Small Commercial Dive Boat
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This industry specific certificate is an approved training framework endorsed by Maritime NZ and is available for current dive industry professional only

air testing

AIr testing

Air Purity Limited is founded on the provision of Clean, safe air.

Air Purity testing mitigates risk to divers of breathing contaminated air and dive injury while ensuring compliance with the strict guidelines provided by WorkSafe NZ.
In accordance with WorkSafe regulations for the guide to gas cylinders, it is a requirement for compressor operators to have their air tested on a 3-month period.
Certification must be displayed at all times.

Pure air is a legal requirement and regulated under the Hazardous Substances (Compressed Gases) Regulations 2004.
The Testing of Scuba Cylinders measures the different concentrations of gasses such as Carbon Dioxide (CO2) and Carbon Monoxide (CO)being output by the compressor.Also important is the existence of other impurities such as water vapour and residues such as oil particles which can be especially harmful to divers who breathe the compressed air at depth.Air Purity Limited have a qualified team working throughout New Zealand who can conduct these air audits.

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Class 2 designation sticker
ROC ring of confidence - dive tanks
ROC cylinder testing

ROC

Ring of confidence

The 'Ring of Confidence’ (ROC), cylinder tag is a coloured disc secured to a dive tank during the annual inspection of scuba dive cylinders. Air Purity is the exclusive provider of ROC tags. The colour of the ROC denotes the cylinder test year.

tEST cYCLE

A visual test is conducted annually, with a hydrostatic test conducted bi-annually.

Year

The colour of ROC denotes test year of the cylinder. Light brown: 2018, grey: 2019, dark green: 2020

Legal

A visible Class-2 denoting non-flammable compressed gas is a legal requirement.

0800 4 DES111

The Diver Emergency number (0800 4 DES111) is embossed on all ROC.

NZU Endorsed

ROC usage is recommended by the NZU, as per the "guide to gas cylinders" - Section 4.

tRademark

The Ring Of Confidence - ROC - currently holds the New Zealand Trademark #662010.

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air filler certification

AIr filler
Certification

Air Purity offers worksafe approved certification for operators of air filler equipment.

All dive cylinders filled in New Zealand require the filler to hold WorkSafe NZ approved certification in accordance with the Hazardous Substances Compressed Gas Regulations. Failure to comply with this legislation could incur heavy penalties.

Download Application Form

WorkSafe NZ regulations apply to all compressor operators and includes compressors on vessels working within the territorial waters of New Zealand. Air Purity Limited have a test certifier qualified to issue approved air filler test certificates. Certification is valid for a period of five years.
Air filler certification must be displayed at all times.

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dive activity supervisor

DAS

Dive Activity supervisor course

A 2-day course AVAILABLE to any diver or boat operator (crew) with a minimum age of 18 years.

On completion participants receive a New Zealand Underwater Association certificate valid for five years with an annual renewal fee applicable. This course covers all aspects of dive control supervision and understanding any detrimental effects time and depth can have on a diver. A current first-aid certificate must be held.

  • Boat work such as anchoring, knots, changing weather patterns, chart reading, waves rips and tides, flags and floats. Pre dive diver safety checks and briefing
  • Pre dive diver safety checks and briefing
  • How to identify diving disorders including hypothermia, hyperthermia, hydrocution, Decompression Sickness
  • How to pick a safe dive site including checking for current, depth hazards and typography
  • How to monitor and record dive logs and all safety management including use of VHF and when to call for assistance
  • Basic diving rules

On completion participants receive a New Zealand Underwater Association certificate valid for five years with an annual renewal fee applicable. This course covers all aspects of dive control supervision and understanding any detrimental effects time and depth can have on a diver.

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master small commercial dive boat

MSCDB

Master Small Commercial Dive Boat

A Maritime NZ approved Dive industry certification issued on a 5-year period.

This is industry-specific certificate is an approved training framework endorsed by Maritime NZ, falling under the Maritime Rule Part 35.70 and 35.72. A current first-aid certificate must be held.

  • This is a five year certification and requires annual membership renewal
  • Current first aid certification must be held
  • The Dive Activity Supervisor (DAS) course is included with this course
  • There are multiple MSCDB qualified trainers working throughout New Zealand
Download MSCDB Renewal form
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About Air puriTY

Set up in 2013, Air Purity Limited is an independent, and 100% owned subsidiary of the New Zealand Underwater Association. In 1982, NZ Underwater identified the need to ensure safe diving practices were supported by quality assurance procedures extended to dive cylinders and air filling equipment, thus developing the SCAP (Scuba Cylinder Audit Program). Today, Air Purity is a primary point of contact for clean breathing air testing, SCAP cylinder audit and certification, air-fill operator certifications, and recreational boat training courses specific to the New Zealand underwater community.