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Seal-Once™ Toxicity Reports / MSDS
MSDS (Material Safety Data Sheet) in PDF format, requires Adobe Acrobat Reader
Huther Report June 2003, in PDF format
Huther Report July 2003, in PDF format
Summary of the acute toxicity report of Seal-Once™ Concentrate
The diluted product concentration listed as 0.0123 ml/L is the product used at recommended dilution rate (1 gal. of water to 1 gal. of concentrate). This is applied through a sprayer (hand pump-up and set at a stream) and the stream was captured in a container for the duration that it takes to treat 15 feet of decking three times. This volume was then calculated as though dumped into a 300-gallon tank and expressed as ml/L. A 300-gallon pond is considered the smallest pond in which fish may be kept in an outside environment (such as koi or goldfish). In actual practice, one would atomize (apply as a spray or mist) Seal-Once during application and would require a great deal longer to put out the same volume than the coarse stream used. This is done to represent a worst-case scenario.
The concentration listed as 0.123 ml/L is the same worst-case scenario done at 10x greater concentration or the same volume of Seal-Once being dumped into 30 gal. instead of 300 gal. This concentration (0.123 ml/L) proved to be the threshold where Seal-Once began to exhibit statistically significant toxicity to the test species.
These test species are used because of their extreme sensitivity to change in composition whether chemical or metallic, etc. in their respective fresh and saltwater environments. A point of reference is that a goldfish can survive in many instances in an environment 1,000 times more polluted than these species. That is why EPA/600/4-90/027F, August 1993 test criteria are used to evaluate toxicity as the extreme sensitivity of these test species may point out problem chemistries, building materials or potential pollutants.
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