i preformed several test using the pour plate method with no dilution, i counted 0-4 colonies per plate, inoculum 1 ml, agar-15ml, which meen 0-400cfu/100ml.
my goal is to achive
If the method is related to food, I suggest reading: ISO 16140; ISO 7218.
Thank you,
The test related to secondary wastewater.
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DOS version.
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