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Oh you of too much faith in the grubbamint:

" All substances are poisons. There is not one that is not a poison. The correct dose differentiates a poison and a remedy". (Paracelsus 1493-1541)

The McGraw Hill Encyclopedia of Science and Technology [11] lists the following list (I am not going to make a table just for you Trident/Delta. I coule not find a list with both ricin and nicotine, suffice it to say that ALL the data I found has confirmed what I have said in my "ramblings."):

http://www.faqs.org/faqs/sci/chem-faq/part2/section-3.html

"Approximate Median Lethal Doses of Some Toxins per kg of Bodyweight"

Toxin; Dose; Test Animal

tetanus; 1 nanogram; mouse, probably human

botulinal neurotoxin; 1 nanogram; mouse, human

shigella; 1 nanogram; monkey, human

shigella; 1 microgram; mouse

ricin; 1 microgram; human

diphtheria; 100 nanograms; human

diphtheria; 1.6 milligrams; mouse

Ricin is a toxin lectin and hemagglutinin isolated from the castor bean. Merck reports the lethal dose in mice as 1 microgram of ricin D nitrogen (ip) per kg, and that ricin molecular weight is about 65,000. Ricin has been shown to contain four lectins, of which the RCL III (aka Ricin D ) and RCL IV are the toxins. Merck also reports the following LD50 per kg of bodyweight:- http://omega.cc.umb.edu/~ehs/chptxt.htm

ACUTE TOXICITY OF SOME TYPICAL LABORATORY CHEMICALS

SUBSTANCE	ACUTE TOXICITY (RAT LD₅₀) mg/kg
MERCURIC CHLORIDE	1
AFLATOXIN B1	5
POTASSIUM CYANIDE	5
SODIUM AZIDE	27
NICOTINE	50
FORMALDEHYDE	100
HYDRAZINE	129
PICRIC ACID	200
PHENOL	317
ATROPINE	500
ACETALDEHYDE	661
ARSENIC	763
BENZENE	930
LEAD CHLORIDE	1500
EDTA	2000
ACETONITRILE	2460
XYLENE	4300
METHANOL	5628
ACETONE	5800
ETHANOL	7060
IODINE	14000
GLUCOSE	25800
GLUTAMINE (L-)	80941

1 microgram of ricin per kg of body weight, versus 50 milligrams of nicotine per kg of body weight. Just in case you don't want to do the math, that data makes ricin 50,000 times more toxic than nicotine.

If you continue to doubt it TD, order an MSDS for each of these substances from your vaunted EPA labs. When they get back to you in two weeks (if you are lucky), let me know what they said.