But things get much murkier when it is a task order for a defense customer issued against a civilian IDIQ. There are about a dozen protests pending at GAO right now that fall into that crossover category, where a defense agency used a GSA contract such as Alliant or OASIS to hire a contractor.
purified protein derivative (PPD). [pyoÌoÌâ²rifÄ«d]. a dried form of tuberculin used in testing for past or present infection with tubercle bacilli. This product is usually introduced into the skin during such tests and may produce a tuberculin reaction (wheal) within 48 to 72 hours.
Citrulline antibody is an immune protein (antibody) that binds to a nonstandard amino acid (citrulline) that is formed by removing amino groups from the natural amino acid, arginine. Citrulline antibodies are measured with a blood (serum) test that is analyzed in laboratories. The test is also known as anti-citrulline antibody, cyclic citrullinated peptide antibody (CCPA), anti-cyclic citrullinated peptide antibody, and anti-CCP.