Dichroic Light Bulbs. Browse our range of dichroic low voltage spot lamps, these lamps are great value for money and energy efficient. We have a wide range of wattages including 20, 35, 50watt, MR16 & MR11 lamps in spot, flood, and wide flood beam angles as well as coloured dichroics for effective ambient lighting.
21,041 Testing Laboratories Companies in the United States. Search or browse our list of Testing Laboratories companies by category or location. Skip navigation
1 According to the Humane Society, registration of a single pesticide requires more than 50 experiments and the use of as many as 12,000 animals.  In tests of potential carcinogens, subjects are given a substance every day for 2 years. Others tests involve killing pregnant animals and testing their fetuses.