A shouting match broke out in the White House Situation Room between Health and Human Services Secretary Alex Azar and an Office of Management and Budget official. Azar had asked OMB ... for $2 billion to buy respirator masks and other supplies for a depleted federal stockpile of emergency medical equipment. The relief package enacted Friday secured $16 billion for the Strategic National Stockpile. States desperate for materials from the stockpile are encountering a beleaguered system beset by years of underfunding, changing lines of authority, confusion over the allocation of supplies and a lack of transparency from the administration. The stockpile holds masks, drugs, ventilators and other items in secret sites around the country. It has become a source of growing frustration for many state and hospital officials who are having trouble buying - or even locating - crucial equipment on their own. Massachusetts ... has received 17 percent of the protective gear it requested. Maine requested a half-million N95 specialized protective masks and received 25,558 - about 5 percent of what it sought. Florida has been an exception in its dealings with the stockpile: The state submitted a request on March 11 for 430,000 surgical masks, 180,000 N95 respirators, 82,000 face shields and 238,000 gloves, among other supplies - and received a shipment with everything three days later. President Trump repeatedly has warned states not to complain about how much they are receiving.