REFERENCE CHART: HOLDING TIME, BOTTLE TYPE, …
Preserve with HCl if less than 10 ppth Salinity, or Preserve with H. 2. SO. 4. if greater than 10 ppth Salinity. {9} Cyhalothrin in water has a 3 day hold time in reagent water per USGS study. Permethrin in water has a 3 day hold time per Storage Stability Study by CA Dept. of Food and Agriculture. {10}
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