Idaho Administrative Code
Title IDAPA 02 - Agriculture, Department of
Rule 02.03.01 - RULES GOVERNING PESTICIDE MANAGEMENT PLANS FOR GROUND WATER PROTECTION
Section 02.03.01.150 - GROUND WATER QUALITY REFERENCE POINTS
Universal Citation: ID Admin Code 02.03.01.150
Current through September 2, 2024
01. Reference Points. The Director will use reference points for pesticides in ground water, based on the following order of availability:
a. Idaho rules of DEQ, IDAPA 58.01.11, "Ground Water Quality," Subsection 200.01.a. specific to pesticide primary constituent standards which were adopted from EPA MCLs; or
b. EPA Health Advisory Levels (HALs) identified in the 2006 Edition of the EPA Drinking Water Standards and Health Advisories, EPA 822-R-06-013; or
c. EPA Reference Dose (RfD) identified in the 2006 Edition of the EPA Drinking Water Standards and Health Advisories, EPA 822-R-06-013; or
d. A reference point based on:
i. Best scientific information currently available on adverse effects of the contaminant(s); and
ii. Protection of a beneficial use(s); and
iii. Practical quantitation levels for the pesticides, if they exceed the levels identified in IDAPA 58.01.11, "Ground Water Quality Rule," Subsection 200.01.a.
02. HAL and RfD Guide. The Director shall use the EPA's HAL and RfD number associated with the effects on a person weighing seventy (70) kilograms and drinking two (2) liters of water per day over a lifetime.
Effective March 31, 2022
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