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HAZARD STATEMENTS 

H410         Very toxic to aquatic life with long lasting effects.
P273         Avoid release to the environment.
P391         Collect spillage.
P501         Dispose of contents/container in accordance with national regulations.

WARNING

To avoid risk to human health and the environment, comply with the instructions for use.

USE INSECTICIDES SAFELY. ALWAYS READ THE LABEL AND PRODUCT  INFORMATION BEFORE USE. 

Shake well before use. Protect from frost.

• KEEP IN A SAFE PLACE.
• OPERATORS MUST WEAR SUITABLE PROTECTIVE CLOTHING 

(COVERALLS) AND SUITABLE PROTECTIVE GLOVES WHEN HANDLING 

THE CONCENTRATE OR APPLYING BY HAND-HELD ULV (ULTRA-LOW-

VOLUME) ‘COLD FOGGING’ APPLICATION EQUIPMENT.
• Avoid excessive contamination of coveralls.
• OPERATORS MUST WEAR SUITABLE PROTECTIVE CLOTHING 

(COVERALLS), SUITABLE PROTECTIVE GLOVES AND SUITABLE 

RESPIRATORY PROTECTIVE EQUIPMENT (DISPOSABLE FILTERING 

FACEPIECE RESPIRATOR TO AT LEAST EN149 FFP2 OR EQUIVALENT) 

WHEN HANDLING THE CONCENTRATE OR APPLYING BY THERMAL ‘HOT 

FOGGING’ APPLICATION EQUIPMENT.
• COLLECT EGGS AND REMOVE FEED, EXPOSED WATER AND MILK 

BEFORE APPLICATION.
• ACTION SHOULD BE TAKEN TO PREVENT FORAGING BEES GAINING 

ACCESS TO TREATED NESTS, PREFERABLY BY REMOVING THE COMBS OR 

BLOCKING THE NEST ENTRANCES.
• WASH HANDS AND EXPOSED SKIN before meals and after use. Whilst 

using do not eat, drink or smoke.
• DO NOT APPLY DIRECTLY TO LIVESTOCK AND POULTRY. 
• Protect milk machinery and milk containers from contamination. 
• DO NOT CONTAMINATE FOODSTUFFS, EATING UTENSILS OR FOOD 

CONTACT SURFACES.
• FOR  INDOOR USE ONLY.
• If swallowed, seek medical advice immediately and show this 

container or label.
• This material and its container must be disposed of in a safe way.
• COVER ALL WATER STORAGE TANKS before application.
• EXCLUDE ALL PERSONS AND ANIMALS DURING TREATMENT.

Batch No.: 

Manuf. Date: 

Expiry Date: 

Marketing Company:

Hockley International Limited, Hockley House, 
3 Longstone Road, Ashbrook Office Park, 
Manchester, M22 5LB, United Kingdom

Tel: 

+ 44 (0)161 209 7400

Email:

 [email protected]

PRECAUTIONS

FOR USE ONLY AS AN INSECTICIDE.

FOR USE ONLY BY PROFESSIONAL OPERATORS

HSE No. 10383

Users must comply in full with all their legal responsibilities under the 

Control of Pesticides Regulations 1986 (as amended) and the Control of 

Pesticides Regulations (Northern Ireland) 1987 (as amended), including 

complying with all Conditions of Approval. 

Application Rate – see table in Directions For Use

READ ALL PRECAUTIONS BEFORE USE.

• ALL BATS ARE PROTECTED UNDER THE WILDLIFE AND COUNTRYSIDE 

ACT 1981. BEFORE TREATING ANY STRUCTURE USED BY BATS, 

CONSULT NATURAL ENGLAND, SCOTTISH NATURAL HERITAGE OR THE 

COUNTRYSIDE COUNCIL FOR WALES.
 • HAZARDOUS TO BEES.
• The COSHH (Control of Substances Hazardous to Health) Regulations 

2002 (as amended) apply to the use of this product at work.

USE ONLY IN ACCORDANCE WITH THE DIRECTIONS ON 

THE LABEL.

NOTE TO PHYSICIAN
This product contains pyrethroid insecticides. Treat 

symptomatically. For comprehensive medical advice on 

the treatment of poisoning, contact the nearest Poisons 

Information Centre. Never give anything by mouth to an 

unconscious person. 
Do not induce vomiting.

Indoor space treatment – cold and hot fogging

Mostyn 

Duo CS

Water*

Volume

Cold Fogging

100 mL

5 L 

500 m

3

Hot Fogging 

100 mL

-

500 m

3

* The required water content may vary depending on surface 

condition and application equipment.

Apply through thermal fogging equipment, cold aerosol 

generating ultra-low-volume (ULV) equipment, fan assisted rotary 

atomiser and hand-held or knapsack sprayers which are designed 

for space spraying. Spray into the air around the areas to be 

treated paying particular attention to sites where 

insects rest, breed or harbourage.

Close windows and doors prior to application and keep closed 

for at least 1 hour afterwards. Switch off all electricity and 

air-conditioners. Keep away all animals and persons during 

application. Adapt the application to the time when the target 

insect is most active. After the application, ventilate the treated 

area for at least 4 hours or use an air exhauster (1200 m³/h rate) 

to ventilate rooms. Before entering the treated area, the spray 

should be dried completely. 

Wear suitable gloves, overalls and boots plus eye protection 

when diluting. 

Do not breathe gas/fumes/vapour/spray. Otherwise, wear 

full-face protection with self-ventilated breathing mask and 

eye protection.

Respiratory protection is recommended at re-entry after fogging.

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