chemicals Flashcards
LD 50 means what?
lethal dose 50% (animals tested (rats))
What are the two types of poisoning?
acute
chronic
absorption rates on body
Worst?
Less?
genital, head - most absorption
less: hand and forearm
PPE ?
minimum
personal protective equipment
1hard hat
2longsleeved coveralls
3united chemical resistant rubber gloves
4rubber boots
what to avoid
1fabric baseball caps
2cloth or leather gloves, shoes, or boots
3natural rubber or plastic gloves (not resistent to pesticides)
3avoid things that are absorbant
TAKE HOME MESSAGE
There are POSITIVES AND NEGATIVES TO CONVENTIONAL and
ORGANIC production
WE ARE FORTUNATE ENOUGH TO LIVE IN A SOCIETY WHERE WE CAN AFFORD
HIGHER PROCED ORGANIC PRODUCT
QUESTION…
CAN WE ECONOMICALLY GROW CROPS WITHOUT THE USE OF ?
AN EVER INCREASING GLOBAL POPULATIONS
pesticides?