Section 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

PRODUCT NAME

WATERCO R70 ONCE A WEEK TABLETS

NFPA

PRODUCT USE

Used in compressed block form as a chlorinating agent (89% available chlorine) to control
bacterial, fungal and algal slimes in swimming pools. Manufacturer specifies do not use in
spas. In Australia is a Schedule 5 (S5) Poison as a compressed/tablet form. · Material is
mixed and used in accordance with manufacturers directions. Keep out of reach of children.
Never add water to product. Always add product to large quantities of water. DO NOT make
up slurries. DO NOT add this product to any dispensing or dosing devices containing
remnants of any other product,

SYNONYMS

"trichloro-s-triazinetrione tablets pool water treatment", "trichloro-s-triazinetrione
tablets pool water treatment", "trichloroisocyanuric acid"

Section 2 - HAZARDS IDENTIFICATION

CANADIAN WHMIS SYMBOLS

EMERGENCY OVERVIEW

RISK

Contact with combustible material may cause fire.
Contact with acids liberates toxic gas.
Harmful by inhalation and if swallowed.
Irritating to eyes, respiratory system and skin.
Dangerous for the ozone layer.
Very toxic to aquatic organisms, may cause long- term adverse effects in the
aquatic environment.

POTENTIAL HEALTH EFFECTS

ACUTE HEALTH EFFECTS

SWALLOWED

  Accidental ingestion of the material may be harmful; animal experiments indicate that ingestion of less than 150 gram may be fatal or may produce serious damage to the health of the individual.  Considered an unlikely route of entry in commercial/industrial environments.  Ingestion may result in nausea, abdominal irritation, pain and vomiting.  Considered an unlikely route of entry in commercial/industrial environments.  

EYE

  This material can cause eye irritation and damage in some persons.  The material may produce severe irritation to the eye causing pronounced inflammation. Repeated or prolonged exposure to irritants may produce conjunctivitis.  

SKIN

  This material can cause inflammation of the skin oncontact in some persons.  Skin contact is not thought to have harmful health effects, however the material may still produce health damage following entry through wounds, lesions or abrasions.  The material may cause skin irritation after prolonged or repeated exposure and may produce on contact skin redness, swelling, the production of vesicles, scaling and thickening of the skin.  

INHALED

  If inhaled, this material can irritate the throat andlungs of some persons.  Not normally a hazard due to non-volatile nature of product.  Inhalation of vapor may aggravate a pre-existing respiratory condition such as asthma, bronchitis, emphysema.  

CHRONIC HEALTH EFFECTS

  Primary route of exposure is usually by skin contact/eye contact with the material, inhalation of generated dust and inhalation of vapor given off by material that has become wet or damp.  Acute effects from inhalation of high vapor concentrations may be chest and nasal irritation with coughing, sneezing, headache and even nausea.  Prolonged or continuous skin contact with the liquid may cause defatting with drying, cracking, irritation and dermatitis following.  As with any chemical product, contact with unprotected bare skin; inhalation of vapor, mist or dust in work place atmosphere; or ingestion in any form, should be avoided by observing good occupational work practice.