UV Technologies

Water Quality Measurement

 

The Partech range includes a comprehensive range of monitors (portable and fixed) and sensors ideal for wastewater quality measurement.

 

The range includes: Suspended solids monitoring; Turbidity monitoring;  Dissolved oxygen; Redox; pH

 

Contact us on 02 4735 5054

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Suspended Solids Monitoring

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Partech

Range Incudes:

  1. Portable Suspended Solids Monitoring
  2. Fixed installation (in-situ) Suspended Solids Monitor
  3. Self Cleaning Sensors 

740 Portable -Portable Suspended Solids Monitoring

  • Economically priced with outstanding features
  • Quick and accurate readings 
  • Intuitive menu structure
  • Totally portable package. 
  • Wide sensor range
  • Robust IP65 enclosure prevent  impact damage and abrasion of the display surface. 
  • High contrast LCD designed to work over a wide temperature range with no loss of clarity. 
  • Rugged carrying case holds the above, together with the measuring probe, cable, battery charger and instruction manual.
  • Capability for up to ten customer programmed user profiles,  allowing multiple sites to be measured with one monitor.
  • Retrospective adjustment to the calibration for each site is  possible enabling a specific sensor output to be stored in memory at the same time as a liquid sample is taken. 
  • Gravimetric analysis of the suspended solids is returned to the monitor as the final calibration figure. 
  • Further site calibration enhancement is afforded by the ten-point look up table
  • Ideal for regular checking of suspended solids levels or as a secondary standard to check other on-line and portable instruments.

Contact us on 02 4735 5054

With a permanently installed monitor 24/7 trending and alarming is available, giving automated control, improving plant efficiency and providing stability and continuity to the treatment process. Continuous On-Line Monitoring reduces the need for time-consuming laboratory analysis and removes dependancy on manual measurements.

7200 Monitor 

  • Large character display 
  • Scrolling information bar showing measurement status.
  • Included setup wizards make it easy to configure and run routine calibrations.
  • Intuitive menu structure
  • IP65 enclosure 
  • Ability to calibrate to a laboratory result.
  • Includes statistics for maximum and minimum values 
  • Password protection of the keypad to negate keypad errors.
  • Sensor fault diagnostics
  • MCERTS approved turbidity monitor
  • Range of standard installation options, from a simple handrail bracket, to a package including an outer enclosure, isolator and handrail mounting struts. 
  • Compatible with the following sensors: Turbi-Tech 2000LA, Turbi-Tech HR

7300 Monitor 

  • Starting configuration has all connections for 1 or 2 sensors
  • Expandable system for multiple sensors (commonly up to 8 sensors)
  • Multiple sensors allows simultaneous monitoring of different parameters (e.g. DO, pH and Turbidity)
  • Advanced serial communication between monitor and sensors preserves calibration and configuration during maintenance or repairs.
  • Highly intuitive user interface
  • No specialist training required.
  • Graphic display with trending
  • PID controls
  • Full dosing controls
  • Triple validation
  • Compatible with a range of sensors including: TurbiTechw2 LA,  TurbiTechw2 HR and others suitable for other parameters (download the brochure for the full range of compatible sensors)

Contact us on 02 4735 5054

Self Cleaning Sensors for Suspended Solids Monitoring

  • TurbiTechw² LA Sensor- range 0-4.000 mg/l to 0-20,000 mg/l
  • TurbiTechw² HR Sensor- range 0-10,000 mg/l to 0-30,000 mg/l

Features:

  • Fully automatic self cleaning, ideal for harsh environments
  • Large optical surface and sample volume ensure reliable representation of the solids present.
  • Deposits of fats and grease on the sensing area don't prevent the sensor from measuring unlike sensors with small optical surfaces.
  • Sensor incorporates a self cleaning mechanism 
  • Cleaning system is designed to avoid problems with ragging and doesn't smear the optical system. 
  • Light attenuation measurement principle
  • Wavelength 680 nm
  • Flexible mounting system

Combine with:

  • 7200 Monitor
  • 7300 Monitor (for multiple sensors and expandability)

 

Contact us on 02 4735 5054

 

partech logo

Partech is a leading manufacturer of online and portable water quality measuring equipment. This equipment is used across municipal drinking water and wastewater treatment, alongside general industrial effluent and surface water monitoring. Established for over 45 years Partech has become a trustworthy and reputable name in the industry, developing its core competence and initial offering of optical measurement into a portfolio of products that are designed and manufactured in Britain and established worldwide.

Accuracy and reliability are key with emphasis on a lower cost of ownership, environmentally friendly products and cost-saving. The innovative Partech electronics platform enables single or multiple measurements to be carried out through one monitor, saving on cost and making it simple, accurate and easy-to-use. Above everything Partech is known for our high customer service levels and quality control.

Visit Partech's website: www.partech.co.uk

Contact us on 02 4735 5054

Enquire Now

Turbidity Monitoring

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Partech

Above: TurbiTechw² HR Sensor pictured with the compatible 7300 in-site monitor.

Turbidity is an ideal dosing trim parameter and Turbidity monitoring is an excellent early indicator of process problems, with an increase in Turbidity in the Final Water potentially indicating filter failure and possible Cryptosporidum in the water. Using Turbidity as a control parameter can reduce dosing levels and hence save money. Partech has designed self-cleaning Turbidity sensors specifically for  every water application.   With 45 years experience in designing and manufacturing water quality monitors, Partech has developed sensors with industry leading functionality and monitoring ranges. For example, in wastewater the TurbiTechw2 HR Sensor monitors solids of  up to 30,000 mg/l of MLSS in MBR.  Jump over to the "Downloads" tab below for application notes on using Turbidity as a dosing trim parameter.

Turbidity Monitoring Range Incudes:

  1. Portable Turbidity Monitoring
  2. Fixed installation (in-situ) Turbidity Monitoring
  3. Self Cleaning Sensors 

 

Self Cleaning Sensors for Turbidity Monitoring

  • TurbiTechw2 HR Sensors - High Range Suspended Solids Monitoring with minimum range of 0-10,000mg/l to a maximum of 0-30,000 mg/l
  • TurbiTechw2 LA Sensors - for monitoring solids with a minimum of 0-4,000 mg/l to a maximum of 0-20,000 mg/l
  • TurbiTechw2 LR Sensors- low range 0-5 to 0-30 NTU and high range 0-50 to 0-500 NTU
  • TurbiTechw2 LS Sensors- for turbidity low range 0-50 FTU to  max range 0-500 FTU (extended range of 0-1,000 FTU available)

Features:

  • Fully automatic self cleaning, ideal for harsh environments
  • Sensor incorporates a self cleaning mechanism 
  • Cleaning system is designed to avoid problems with ragging and doesn't smear the optical system. 
  • TurbiTechw2 HR has a large optical surface and sample volume ensure reliable representation of the solids present.
  • Deposits of fats and grease on the sensing area don't prevent the sensor from measuring unlike sensors with small optical surfaces.
  • Flexible mounting system
  • Interfaces with Partech Monitors which can provide connections of up to 2 sensors as standard or up to 8 sensors with expansion boxes
  • Cleaning process automatically initiated by a Partech Monitor, with the cleaning process taking only 90 seconds with a 5 hourly cleaning cycle.

Combine with:

  • 7200 Monitor
  • 7300 Monitor (for multiple sensors and expandability)

 

 

Contact us on 02 4735 5054

740 Portable -Portable Turbidity Monitoring

  • Economically priced with outstanding features
  • Quick and accurate readings 
  • Intuitive menu structure
  • Totally portable package. 
  • Wide sensor range
  • Robust IP65 enclosure prevent  impact damage and abrasion of the display surface. 
  • High contrast LCD designed to work over a wide temperature range with no loss of clarity. 
  • Rugged carrying case holds the above, together with the measuring probe, cable, battery charger and instruction manual.
  • Capability for up to ten customer programmed user profiles,  allowing multiple sites to be measured with one monitor.
  • Retrospective adjustment to the calibration for each site is  possible enabling a specific sensor output to be stored in memory at the same time as a liquid sample is taken. 
  • Gravimetric analysis of the suspended solids is returned to the monitor as the final calibration figure. 
  • Further site calibration enhancement is afforded by the ten-point look up table
  • Ideal for regular checking of turbidity, suspended solids, sludge blanket level or as a secondary standard to check other on-line and portable instruments.

Contact us on 02 4735 5054

With a permanently installed monitor 24/7 trending and alarming is available, giving automated control, improving plant efficiency and providing stability and continuity to the treatment process. Continuous On-Line Monitoring reduces the need for time-consuming laboratory analysis and removes dependancy on manual measurements.

7200 Monitor 

  • Large character display 
  • Scrolling information bar showing measurement status.
  • Included setup wizards make it easy to configure and run routine calibrations.
  • Intuitive menu structure
  • IP65 enclosure 
  • Ability to calibrate to a laboratory result.
  • Includes statistics for maximum and minimum values 
  • Password protection of the keypad to negate keypad errors.
  • Sensor fault diagnostics
  • MCERTS approved turbidity monitor
  • Range of standard installation options, from a simple handrail bracket, to a package including an outer enclosure, isolator and handrail mounting struts. 
  • Compatible with the following sensors: Turbi-Tech 2000LA, Turbi-Tech HR

7300 Monitor 

  • Starting configuration has all connections for 1 or 2 sensors
  • Expandable system for multiple sensors (commonly up to 8 sensors)
  • Multiple sensors allows simultaneous monitoring of different parameters (e.g. DO, pH and Turbidity)
  • Advanced serial communication between monitor and sensors preserves calibration and configuration during maintenance or repairs.
  • Highly intuitive user interface
  • No specialist training required.
  • Graphic display with trending
  • PID controls
  • Full dosing controls
  • Triple validation
  • Compatible with a range of sensors including: TurbiTechw2 LA,  TurbiTechw2 HR and others suitable for other parameters (download the brochure for the full range of compatible sensors)

Contact us on 02 4735 5054

 

partech logo

Partech is a leading manufacturer of online and portable water quality measuring equipment. This equipment is used across municipal drinking water and wastewater treatment, alongside general industrial effluent and surface water monitoring. Established for over 45 years Partech has become a trustworthy and reputable name in the industry, developing its core competence and initial offering of optical measurement into a portfolio of products that are designed and manufactured in Britain and established worldwide.

Accuracy and reliability are key with emphasis on a lower cost of ownership, environmentally friendly products and cost-saving. The innovative Partech electronics platform enables single or multiple measurements to be carried out through one monitor, saving on cost and making it simple, accurate and easy-to-use. Above everything Partech is known for our high customer service levels and quality control.

Link to Partech's website: www.partech.co.uk

Contact us on 02 4735 5054

Enquire Now

Dissolved Oxygen Monitoring

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Partech

 Above: Optical sensor and Galvanic sensors.

Partech's sensors make accurate Dissolved Oxygen measurement easy. They're highly reliable and accurate as well as straightforward to use and easy to install. They also benefit from the self cleaning action of the FlexTech probe holder and the fouling tolerance of the probes themselves - all of which mean longer service intervals and a consistently more efficient plant. Being able to act on accurate measurement of Dissolved Oxygen in activated sludge plants will enable you to maintain levels of bacterial activity, avoid breaches in discharge consents and operate as cost effectively as possible. Too little dissolved oxygen can lead to bacterial inactivity and ineffective treatment, whilst too much, wastes energy and can cause unnecessary wear and tear to the aeration system

Range Incudes:

  1. Handy Polaris (Portable) 
  2. Fixed installation (in-situ) monitor (Loop Powered Dissolved Oxygen Monitoring)
  3. Optical and Galvanic Sensors

 

Handy Polaris. Portable Dissolved Oxygen Monitoring

  • Simple to use: switch it on, put it in the water and measure.
  • Large Display
  • Automatic Calibration
  • Choice of units
  • Automatic self-check
  • Automatic probe check
  • Barometric Pressure Compensation
  • Extremely long battery life
  • New probe design for speed, accuracy and longer intervals between measurements
  • Galvanic cell
  • Self polarising
  • Self temperature compensated
  • Probe can be stored dry
  • No regular maintenance required
  • 1400 hours from one 9V battery

Contact us on 02 4735 5054

840 Dissolved Oxygen Transmitter

Loop Powered Dissolved Oxygen Monitoring

  • Accurate, highly reliable measurements in difficult highly fouling applications. 
  • The specifically designed sensor utilises a rugged, 100 micron membrane, and unique electrolyte for long term stability, without the need for sensor replenishment or replacement.
  • Stability and measure accurately for years with practically no attention.
  • Simple maintenance-wipe the membrane clean and checking the calibration from time to time.
  • Membrane replacement is done quickly, easily and at very little cost.
  • EasyCal calibration is carried out in 2 minutes with the probe in water.
  • Sensor does not need to acclimatise in air, reducing errors through hurried calibrations. 
  • Calibration routine is extremely simple and involves no tables or complicated software features.
  • Pioneer Probe holder available to places the sensor approximately 300 mm below the surface away from the surface effects of rain, sunshine and fouling. Flexible joint in the mounting shaft allows the sensor to move, providing an anti-fouling and anti-ragging action.
  • Galvanic cell
  • Self polarising
  • Self temperature compensating
  • Self cleaning installation system
  • No routine refurbishment
  • Fouling tolerant
  • Not affected by ambient light

Contact us on 02 4735 5054

Available sensors: Optical sensor; Galvanic sensor

OxyTechw² OPT Sensor

  • Optical Sensor for Dissolved Oxygen Monitoring
  • Provides highly reliable Dissolved Oxygen measurements using the industry accepted optical luminescent technology. 
  • Improvement over older galvanic type sensors including:
  • Extended times between maintenance, 
  • No drift, 
  • Faster response 
  • Ideal for installation in applications where there is low or no flow.
  • Specially designed self cleaning mounting system, with a flexible joint in the mounting shaft. for installation in activated sludge plants
    • The flexible joint  keeps the membrane clean by reducing bio-fouling without the use of a compressor and with the added benefit of allowing rags to fall away . 
    • Sensor is below the level of the floating fats and greases that accumulate on the surface and results in the more representative readings

OxyTechw² GAL Sensor 

  • Highly galvanic sensor provides excellent long term measurement
  • Unique combination of electrolyte and anode material for long term stability
  • Gal will operate for 3 years or more with minimum maintenance
  • No drift
  • Fast response
  • Specially designed self cleaning mounting system, with a flexible joint in the mounting shaft.
    • Flexible joint moves the sensor  keeping the membrane clean by reducing bio-fouling

Contact us on 02 4735 5054

partech logo

Partech is a leading manufacturer of online and portable water quality measuring equipment. This equipment is used across municipal drinking water and wastewater treatment, alongside general industrial effluent and surface water monitoring. Established for over 45 years Partech has become a trustworthy and reputable name in the industry, developing its core competence and initial offering of optical measurement into a portfolio of products that are designed and manufactured in Britain and established worldwide.

Accuracy and reliability are key with emphasis on a lower cost of ownership, environmentally friendly products and cost-saving. The innovative Partech electronics platform enables single or multiple measurements to be carried out through one monitor, saving on cost and making it simple, accurate and easy-to-use. Above everything Partech is known for our high customer service levels and quality control.

Visit Partech's website: www.partech.co.uk

Contact us on 02 4735 5054

Enquire Now

pH and Temperature Sensor

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Partech

The WaterTechw2 pH8000, pH Dip Sensor for high reliability pH and temperature measurements.

  • Highly reliable operation across the range of surface water, drinking water and wastewater applications.
  • Flat faced electrode includes an extended reference path, providing extremely reliable pH measurement
  • Extended reference path to slow contaminants
  • Self-cleaning flat surface electrode
  • Electrode resists coating and fouling
  • Also available with an electrode designed to monitor pH in low conductivity (low ionic strength) applications.
  • Optional self cleaning flexible coupling for Dip assemblies available
  • Built-in temperature compensation
  • Mercury (Calomel) free
  • Acryl-2-heavy duty gel resists chemical attack
  • Increased gel capacity for longer sensor life
  • Double junction reference for greater durability in harsh environments
  • PPS (Ryton) Construction for improved chemical and temperature performance
  • Compatible with 700w2 monitor
  • Alternative sensors: WaterTech2 pH8000 Flowcell version; WaterTechw2 PHEVT- combined pH, Redox, and temperature

 

Contact us on 02 4735 5054

 

WaterTechw2 pH8000 Flowcell assembly.

  • For applications where it is not possible to gain direct access to the sample using a dip sensor.
  • Suitable for drinking water and final effluent discharge.
  • The flowcell has been designed to take a small positive pressure (1Bar) however the outlet from the unit is normally fed to drain.
  • Compatible with the 7300w2 Monitor
  • Versions of this flowcell are available for combining pH measurement with turbidity, redox and DO, for cost effective monitoring

 

Contact us on 02 4735 5054

Enquire Now

Redox

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Partech

The WaterTechw2 Redox8000 Sensor provides highly reliable Redox and Temperature measurements.

  • Extremely robust Redox measurement ideal for surface water, wastewater and drinking water
  • Extended reference path to slow contaminants
  • Flat surfaced self cleaning electrode reduces coating and fouling.
  • Acryl-2 heavy duty gel resists chemical attack
  • Increased gel capacity for longer sensor life
  • Double junction reference for greater durability in harsh environments
  • PPS (Ryton) construction for improved chemical and temperature performance
  • Built-in temperature compensation
  • Mercury (Calomel) free
  • Optional self cleaning flexible coupling for Dip assemblies
  • Compatible with  7300w2 Monitor
  • Alternative sensor: WaterTechw2 PHEVT- combined pH, Redox and Temperature

Contact us on 02 4735 5054

WaterTechw2 Redox 8000 Flowcell Assembly.

  • For applications where it is not possible to gain direct access to the sample using a dip sensor.
  • Suitable for drinking water and final effluent discharge.
  • The flowcell has been designed to take a small positive pressure (1Bar) however the outlet from the unit is normally fed to drain.
  • Compatible with the 7300w2 Monitor
  • Versions of this flowcell are available for combining pH measurement with turbidity, redox and DO, for cost effective monitoring

Contact us on 02 4735 5054

Dairy Effluent Treatment

Dairy Crest puts Emphasis on Environmental Credentials

dairy effluent treatmentThroughout the food and beverage industries, there is a constant requirement to monitor and control wastewater and effluent before discharge from the plant in order to comply with environmental regulations. In addition to this, process plants must also recognise that unless close control is exercised over all stages of waste treatment, the process itself can become ineffective.

At the Dairy Crest Davidstow cheese processing plant in Cornwall, considerable effort is made to ensure that all wastewater and effluent associated with the manufacturing process is treated and analysed before being discharged into the River Inny. During 2003, the Davidstow creamery underwent a multi-million pound expansion programme, which included an upgrade of the effluent treatment plant located approximately half-a-mile from the main site. The upgrade included the installation of an MBR system and an additional aeration tank (AT3) which provides the feed to the MBR system. These operate in parallel with the DAF (Dissolved Air Flotation) and AT2 aeration tank which feeds into the settlement and Lockertex filter plant.

The effluent treatment plant has to accommodate an inflow of around 1,800 and 2,200m³ per day of wastewater and has the capability to discharge up to 2,600m³ per day, this being the maximum consent to the river. The wastewater consists mainly of washes from vats and tankers and includes a relatively high level of fat, COD and pH. EA discharge consent levels that have to be complied with include suspended solids up to or equal to 20ppm, ammonia at 7ppm and TOC at 30ppm, with pH being monitored at 6 - 9pH. The total flow of the incoming effluent stream is recorded daily, with an accumulative sample being taken every 15-20 minutes for the Company's laboratory to analyse and provide daily OD readings. Turbidity, pH levels and temperature are also monitored at in the inflow to the balance tank and divert tanks.

The monitoring of suspended solids or turbidity in wastewater from dairies and dairy food processing plants is a key parameter for assessing the quality of the effluent in respect of meeting consent levels. The results can be used as an aid for minimising waste, as well as indicating if there is any significant product loss through operator error. Nowhere is monitoring more important than at the final stages of the treatment process and at the point of discharge.

"Within the dairy industry, biological treatment plants are at constant risk from excessive quantities of milk and waste liquid from production processes finding their way into the biological treatment plant," comments Angus Fosten of Partech Instruments. "The problem is that dairy product residues can contain relatively high levels of BOD and these can upset the delicate balance of the biological treatment plant. Re-establishing the correct balance in the treatment plant can be expensive and lengthy, resulting in plant downtime and loss of production."

Partech's instruments play key roles at various stages throughout the treatment processes at the Davidstow plant. On the aeration tank (AT3), Partech's OxyGuard DO monitor is employed to measure the level of dissolved oxygen and ensure that the treatment process maintains the correct levels for effective treatment.

In the event of the DO dropping below the required level, the instrument will bring the standby blower into action to increase the DO content. Once the correct level has been re-established, the instrument shuts down the standby blower. With 0.5 million gallons of activated sludge in this tank, keeping the DO level at the optimum point is critical as it determines the quality of the outflow to the next stage of the process.

The Partech DO Monitor enables plant operators to maintain optimum levels of biological activity and run the plant as effectively and efficiently as possible. Too little DO can lead to biological inactivity, whilst too much wastes energy and can cause unnecessary wear to the aeration system.

The Partech OxyGuard sensor is mounted into the tank using the Pioneer Mounting System, which protects the probe from excessive fouling and maintains a fixed position18 and 20 inches below the surface. The sensor combines an electrolyte, anode and cathode within a robust housing and the internal sensor design means that the electrolyte and anode are not consumed. The membrane only needs replacing if damaged and there is no internal drift.

When to comes to measuring the quality of the outflow from both aeration tanks, whereas the treated effluent from the AT3 tank passes to the MBR system, the treated effluent from AT2 tank passes via a settlement tank into the lockertex filter system, which is equipped with a Partech Turbi-Tech 2000LS turbidity monitoring system prior to point of discharge. At this point of the process, monitoring for pH, temperature, TOC and ammonia is also undertaken. A sample is taken every 20 minutes and should a problem be detected, then an alarm signal is transmitted to the control room where the discharge flow can be diverted for retreatment. Where the flows from both aeration tanks merge prior to discharge, another Turbi-Tech LS turbidity monitor takes a final reading to ensure that the discharge consent level is not exceeded and that the health of the River Inny is not compromised.

Employing continuous turbidity monitoring within the treatment process provides a reliable and effective approach to identifying when a problem has occurred, allowing plant operators to take prompt remedial action. It also has the added benefit of indicating the performance of the treatment plant by measuring the presence of undissolved solids prior to discharge. Turbidity is widely used within the food industry on both final effluent and crude effluent. On the crude effluent a turbidity monitoring system can provide a reliable method of on-line measurement to alarm or divert high strength wastewater into a separate holding tank for onward processing.

Partech Instruments has a long history of providing solutions for determining turbidity and levels of suspended solids in effluent treatment plants within the dairy industry. A well used and proven approach involves the installation of its Turbi-Tech 2000 Sensor and 7200 Monitor, which together provide operators with a constant indicator of the levels of suspended solids and turbidity at given points with the treatment process.

Available in two versions, the LS and LA, Partech's Turbi-Tech 2000 sensor uses Infrared 90º Light Scatter or Light Attenuation as its measuring principle. The LS version is designed to monitor low levels of solids or turbidity and is typically installed at the final effluent discharge point. The Turbi-Tech LA has an operating range suitable for use in aeration systems and may be used to monitor mixed liquor suspended solids (MLSS) and returned activated sludge (RAS). Both versions of the Turbi-Tech 2000 feature a self-cleaning system, which means that the sensor's optical surfaces cannot be contaminated causing performance to be adversely affected.

"The self-cleaning capability is essential for dairy plants," says Angus Fosten, "as there are always a high proportion of fatty milk materials contained within manufacturing residues. Apart from enhancing the instrument's performance, it means that maintenance is minimised resulting in low ownership costs."

"Employing turbidity monitoring systems that operate 24/7 means that plant operatives are able to watch over the performance of the treatment process and be warned of any problem immediately it occurs," says Angus Fosten. "Breaching discharge consent levels can be very expensive in terms of fines levied. Equally as expensive can be accidental discharge of products into the effluent treatment process. By measuring turbidity, plant management can achieve savings in terms of reducing product wastage and ensure that consent levels are not inadvertently breached."

 Contact us on 02 4735 5054

 

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