An adult of $65 \mathrm{~kg}$ weight and life span of 65 years drinks water for 5 years, which is contaminated with toluene of concentration $0.15 \mathrm{mg} / \mathrm{L}$. For toluene, reference dose is $0.200 \mathrm{mg} / \mathrm{kg}$-d. The person drinks $2 \mathrm{~L}$ of water per day. The hazard quotient from the toluene exposure for the adult will be _________ $\text{(rounded off to three decimal places).}$
