Document yrBpYM7noBzKR57982rw6rvwn

March 10, 1950 Hr. Paul L. Magill, Supervisor Air and Water Pollution Laboratory Stanford Research Institute Stanford, California fear Mr. Hagill: We acknowledge, 'with thanks receipt of the set of drawings for the construction of the Venturi scrubber,and your letter of February 21. I have discussed -with Dr. ivehoe the question of particulate lead in the atmosphere. He will write to you -o n this subject. Very truly yours, Hence Lester r>. nooerts 0004321