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E-Z Stitch California Proposition 65 Safe Harbor Assessment

Many of the EZ-Stitch products include oak components applied with a finish that protects the wood from wear, decay, and splintering along with enhancing its smoothness and beauty.

EZ-Stitch products have been examined for potential exposure of the consumer to harmful substances deemed by the State of California to increase the risk of cancer or birth defects. These substances include wood dust, and methanol.

Wood Dust
Wood dust is emitted during the manufacturing and finishing process but there is virtually zero emissions once the product is finished and packaged. The consumer will not be exposed to saw dust under normal use. Sanding, drilling or refinishing the wood components are not considered “normal use” and is subject to the following warning:

 WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.

The primary wood finish used is Watco brand Teak Oil produced by Rust-Oleum corporation. The 2109 Safety Data Sheet for Teak Oil lists the chemical contents, which includes Methanol, a non-drinking type of alcohol (also known as wood alcohol) often used in solvents. It is listed by the State of California as having reproductive and developmental toxicity, and can present risk when consumed or inhaled in high doses. Safe Harbor Levels for methanol are:

Maximum Allowable Dose Level (MADL) - Inhalation: 47,000 µg/day
Maximum Allowable Dose Level (MADL) - Oral: 23,000 µg/day

The theoretical maximum methanol exposure to a consumer from a single part (˜2.7mg) falls well within the acceptable “safe harbor” exposure limits set forth under the California Code of Regulations (<47mg inhalation, <23mg oral). The de facto consumer exposure is expected to be well below the theoretical maximum exposure, as the product is not meant for consumption and much of the methanol will have volatilized during the curing of the varnish and shipping of the part long before reaching the consumer.

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