def get_esp_criteria():
    """
    Builds a dictionary of esp criteria

    :return:
    """
    cd = {'crr_n15': {'W': [0.0, 0.15], 'M': [0.15, 0.25], 'S': [0.25, 0.45
        ], 'R': [0.45, 0.6]}, 'h_liq': {'T': [0.5, 3.0], 'M': [3.0, 7.0],
        'L': [7.0, 10.0]}, 'h_crust': {'S': [0.0, 2.0], 'M': [3.0, 7.0],
        'D': [7.0, 10.0]}}
    return cd
