By Eric Hartley, Las Vegas Review-Journal

Nevadans might not be able to buy marijuana in legal dispensaries until summer — or later — as a legal tangle continues over pesticide rules.

The delay means continued frustration for patients and lost money for businesses that once hoped to begin selling medical pot in January.

It could be months until workable pesticide limits are in place — and even longer before the first significant marijuana crops are ready.

The problem centers on a Nevada regulation that says marijuana tested in state-licensed labs must meet the “most stringent acceptable standard for an approved pesticide chemical residue in any food item” under federal rules.

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